From 0a6cec26c49ea0a004731209023743e7df51fff9 Mon Sep 17 00:00:00 2001 From: Michael Krayer Date: Fri, 26 Mar 2021 12:21:35 +0100 Subject: [PATCH] dtach v0.9 --- COPYING | 339 ++++ Makefile | 36 + Makefile.in | 36 + README | 210 +++ attach.c | 360 ++++ config.h | 137 ++ config.h.in | 136 ++ config.log | 1016 ++++++++++ config.status | 1010 ++++++++++ configure | 4997 +++++++++++++++++++++++++++++++++++++++++++++++++ configure.ac | 37 + dtach.1 | 216 +++ dtach.h | 136 ++ dtach.spec | 108 ++ main.c | 283 +++ master.c | 799 ++++++++ 16 files changed, 9856 insertions(+) create mode 100644 COPYING create mode 100644 Makefile create mode 100644 Makefile.in create mode 100644 README create mode 100644 attach.c create mode 100644 config.h create mode 100644 config.h.in create mode 100644 config.log create mode 100755 config.status create mode 100755 configure create mode 100644 configure.ac create mode 100644 dtach.1 create mode 100644 dtach.h create mode 100644 dtach.spec create mode 100644 main.c create mode 100644 master.c diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..d159169 --- /dev/null +++ b/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..d4458c2 --- /dev/null +++ b/Makefile @@ -0,0 +1,36 @@ +srcdir = . +CC = gcc +CFLAGS = -g -O2 -W -Wall -I. +LDFLAGS = +LIBS = -lutil +VERSION = 0.9 + + +OBJ = attach.o master.o main.o +SRC = $(srcdir)/attach.c $(srcdir)/master.c $(srcdir)/main.c + +TARFILES = $(srcdir)/README $(srcdir)/COPYING $(srcdir)/Makefile.in \ + $(srcdir)/config.h.in $(SRC) \ + $(srcdir)/dtach.h $(srcdir)/dtach.spec $(srcdir)/configure \ + $(srcdir)/configure.ac $(srcdir)/dtach.1 + +dtach: $(OBJ) + $(CC) -o $@ $(LDFLAGS) $(OBJ) $(LIBS) + +clean: + rm -f dtach $(OBJ) dtach-$(VERSION).tar.gz + +distclean: clean + rm -f config.h Makefile config.log config.status config.cache + +tar: + mkdir dtach-$(VERSION) + cp $(TARFILES) dtach-$(VERSION) + tar -cf dtach-$(VERSION).tar dtach-$(VERSION)/ + gzip -9f dtach-$(VERSION).tar + rm -rf dtach-$(VERSION) + +attach.o: ./attach.c ./dtach.h config.h +master.o: ./master.c ./dtach.h config.h +main.o: ./main.c ./dtach.h config.h + diff --git a/Makefile.in b/Makefile.in new file mode 100644 index 0000000..11afcd3 --- /dev/null +++ b/Makefile.in @@ -0,0 +1,36 @@ +srcdir = @srcdir@ +CC = @CC@ +CFLAGS = @CFLAGS@ -I. +LDFLAGS = @LDFLAGS@ +LIBS = @LIBS@ +VERSION = @PACKAGE_VERSION@ +VPATH = $(srcdir) + +OBJ = attach.o master.o main.o +SRC = $(srcdir)/attach.c $(srcdir)/master.c $(srcdir)/main.c + +TARFILES = $(srcdir)/README $(srcdir)/COPYING $(srcdir)/Makefile.in \ + $(srcdir)/config.h.in $(SRC) \ + $(srcdir)/dtach.h $(srcdir)/dtach.spec $(srcdir)/configure \ + $(srcdir)/configure.ac $(srcdir)/dtach.1 + +dtach: $(OBJ) + $(CC) -o $@ $(LDFLAGS) $(OBJ) $(LIBS) + +clean: + rm -f dtach $(OBJ) dtach-$(VERSION).tar.gz + +distclean: clean + rm -f config.h Makefile config.log config.status config.cache + +tar: + mkdir dtach-$(VERSION) + cp $(TARFILES) dtach-$(VERSION) + tar -cf dtach-$(VERSION).tar dtach-$(VERSION)/ + gzip -9f dtach-$(VERSION).tar + rm -rf dtach-$(VERSION) + +attach.o: @srcdir@/attach.c @srcdir@/dtach.h config.h +master.o: @srcdir@/master.c @srcdir@/dtach.h config.h +main.o: @srcdir@/main.c @srcdir@/dtach.h config.h + diff --git a/README b/README new file mode 100644 index 0000000..6e8aa27 --- /dev/null +++ b/README @@ -0,0 +1,210 @@ +1. INTRODUCTION + +dtach is a program written in C that emulates the detach feature of +screen, which allows a program to be executed in an environment that is +protected from the controlling terminal. For instance, the program under +the control of dtach would not be affected by the terminal being +disconnected for some reason. + +dtach was written because screen did not adequately meet my needs; I did +not need screen's extra features, such as support for multiple +terminals or terminal emulation support. screen was also too big, +bulky, and had source code that was difficult to understand. + +screen also interfered with my use of full-screen applications such as +emacs and ircII, due to its excessive interpretation of the stream between +the program and the attached terminals. dtach does not have a terminal +emulation layer, and passes the raw output stream of the program to the +attached terminals. The only input processing that dtach does perform is +scanning for the detach character (which signals dtach to detach from +the program) and processing the suspend key (which tells dtach to +temporarily suspend itself without affecting the running program), and both +of these can both be disabled if desired. + +Contrary to screen, dtach has minimal features, and is extremely tiny. +This allows dtach to be more easily audited for bugs and security +holes, and makes it accessible in environments where space is limited, +such as on rescue disks. + +dtach has only been tested on the Linux/x86 platform, however it should +be easily portable to other variants of Unix. It currently assumes that +the host system uses POSIX termios, and has a working forkpty function +available. + +dtach may need access to various devices in the filesystem depending on what +forkpty does. For example, dtach on Linux usually needs access to /dev/ptmx +and /dev/pts. + +2. QUICK START + +Compiling dtach should be simple, as it uses autoconf: + + $ ./configure + $ make + +If all goes well, a dtach binary should be built for your system. You can +then copy it to the appropriate place on your system. + +dtach uses Unix-domain sockets to represent sessions; these are network +sockets that are stored in the filesystem. You specify the name of the +socket that dtach should use when creating or attaching to dtach sessions. + +For example, let's create a new session that is running ircII. We will use +/tmp/foozle as the session's socket: + + $ dtach -A /tmp/foozle irc RuneB irc.freenode.net + +Here, -A tells dtach to either create a new session or attach to the +existing session. If the session at /tmp/foozle does not exist yet, the +program will be executed. If it does exist, then dtach will attach to +the existing session. + +dtach has another attach mode, which is specified by using -a. The -a +mode attaches to an already existing session, but will not create a new +session. Each attaching process can have a separate detach character, +suspend behavior, and redraw method, which are explained in the +following sections. + +dtach is able to attach to the same session multiple times, though you +will likely encounter problems if your terminals have different window +sizes. Pressing ^L (Ctrl-L) will reset the window size of the program to +match the current terminal. + +dtach also has a mode that copies the contents of standard input to a session. +For example: + + $ echo -ne 'cd /var/log\nls -l\n' | dtach -p /tmp/foozle + +The contents are sent verbatim including any embedded control characters (e.g. +the newline characters in the above example), and dtach will not scan the +input for a detach character. + +3. DETACHING FROM THE SESSION + +By default, dtach scans the keyboard input looking for the detach character. +When the detach character is pressed, dtach will detach from the current +session and exit, leaving the program running in the background. You can then +re-attach to the program by running dtach again with -A or -a. + +The default detach character is ^\ (Ctrl-\). This can be changed by supplying +the -e option to dtach when attaching. For example: + + $ dtach -a /tmp/foozle -e '^A' + +That command would attach to the existing session at /tmp/foozle and use +^A (Ctrl-A) as the detach character, instead of the default ^\. + +You can disable processing of the detach character by supplying the -E +option to dtach when attaching. + +4. SUSPENDING DTACH + +By default, dtach also processes the suspend key (^Z or Ctrl-Z) itself, +instead of passing it to the program. Thus, pressing suspend only suspends +the attaching process, instead of the running program. This can be very +useful for applications such as ircII, where you may not necessarily want +the program to be suspended. + +Processing of the suspend key can be disabled by supplying the -z option +to dtach when attaching. + +5. REDRAW METHOD + +When attaching, dtach can use one of three methods to redraw the screen +(none, ctrl_l, or winch). By default, dtach uses the ctrl_l method, +which simply sends a ^L (Ctrl-L) character to the program if the +terminal is in character-at-a-time and no-echo mode. The winch method +forces a WINCH signal to be sent to the program, and the none method +disables redrawing completely. + +For example, this command tells dtach to attach to a session at +/tmp/foozle and use the winch redraw method: + + $ dtach -a /tmp/foozle -r winch + +When creating a new session (with the -c or -A modes), the specified +method is used as the default redraw method for the session. + +6. CHANGES + +The changes in version 0.9 are: +- Added AIX support. +- Added dtach -N, a mode similar to dtach -n, except dtach will stay in the + foreground instead of daemonizing. +- Added dtach -p, which copies the contents of standard input to a session. +- dtach will no longer send 255 bytes of garbage to the program when read() + returns an error. +- The executable bit is now set on the socket if clients are attached, and + cleared when all clients have detached. +- The initial state of signals such as SIGPIPE are now preserved when + executing the program, instead of having the program start with some signals + ignored. +- A buffer overflow no longer occurs when a long socket path name is used, and + dtach will now try to use chdir to get around the length limitation if + necessary. + +The changes in version 0.8 are: +- When using dtach -A or dtach -c, the master will now wait until the client + attaches before trying to read from the program being executed. This avoids + a race condition when the program prints something and exits before the + client can attach itself. +- Instead of exiting quietly, dtach will now report any errors that occur + while trying to execute the program. +- dtach -n can now be used without a terminal. +- dtach -A will now try to detect and remove stale sockets. +- Removed a Linux-specific escape sequence from the code that restores the + original terminal settings. +- Changed dtach.1 to use \- for the dashes in command line options, and + fix an ambiguous backslash. +- Use non-blocking mode in the master process, and avoid data loss by ensuring + that at least one attaching client succesfully completes a write. +- Fix -e ^ to work with lowercase characters. + +The changes in version 0.7 are: +- The redraw method can now be explicitly specified on the command line + (either no redraw at all, the old ^L character method, and the new WINCH + signal method), since many programs only handle one or the other properly. +- Changed the default redraw method back to the old ^L character method. +- Changed the attach code to check the return value of select more carefully. +- Changed the SIGWINCH handler to reinstall itself, to handle systems that + always reset the handler. +- Added more proper process group handling. + +The changes in version 0.6 are: +- Redraws are now handled by sending the child process a WINCH signal instead + of by sending a ^L character. This should help prevent line-oriented + programs (such as bash) from clearing the screen excessively. +- Flow control is now disabled when setting raw mode on the terminal. +- Switched to using select instead of poll. +- Changed some exits to exit succesfully instead of non-sucessfully. +- Updated my email address. +- Updated to Autoconf 2.59, renaming some files in the process. + +The changes in version 0.5 are: +- Fix fd leakage. +- Prevent atexit from being called twice on dtach -A. + +The changes in version 0.4 are: +- Slightly improved README and dtach.1 +- Portability updates thanks to sourceforge's compile farm. dtach should now + work on: FreeBSD, Debian/alpha, Debian/sparc, Debian/PPC, and Solaris. + +The changes in version 0.3 are: +- Fixed a typo in dtach.1 +- Changed the attach code so that it tells the master when a suspend + occurs. +- Decreased the client <-> master packet size. +- Changed the master to send a stream of text to attaching clients + instead of sending a huge packet all the time. +- Use getrlimit and dynamically allocate the data structures, if + possible. +- Added some more autoconf checks. +- Initial sourceforge release. + +7. AUTHOR + +dtach is (C)Copyright 2004-2016 Ned T. Crigler, and is under the GNU General +Public License. + +Comments and suggestions about dtach are welcome, and can be sent to +the author at: . diff --git a/attach.c b/attach.c new file mode 100644 index 0000000..41a696c --- /dev/null +++ b/attach.c @@ -0,0 +1,360 @@ +/* + dtach - A simple program that emulates the detach feature of screen. + Copyright (C) 2004-2016 Ned T. Crigler + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ +#include "dtach.h" + +#ifndef VDISABLE +#ifdef _POSIX_VDISABLE +#define VDISABLE _POSIX_VDISABLE +#else +#define VDISABLE 0377 +#endif +#endif + +/* +** The current terminal settings. After coming back from a suspend, we +** restore this. +*/ +static struct termios cur_term; +/* 1 if the window size changed */ +static int win_changed; + +/* Restores the original terminal settings. */ +static void +restore_term(void) +{ + tcsetattr(0, TCSADRAIN, &orig_term); + + /* Make cursor visible. Assumes VT100. */ + printf("\033[?25h"); + fflush(stdout); +} + +/* Connects to a unix domain socket */ +static int +connect_socket(char *name) +{ + int s; + struct sockaddr_un sockun; + + if (strlen(name) > sizeof(sockun.sun_path) - 1) + { + errno = ENAMETOOLONG; + return -1; + } + + s = socket(PF_UNIX, SOCK_STREAM, 0); + if (s < 0) + return -1; + sockun.sun_family = AF_UNIX; + strcpy(sockun.sun_path, name); + if (connect(s, (struct sockaddr*)&sockun, sizeof(sockun)) < 0) + { + close(s); + + /* ECONNREFUSED is also returned for regular files, so make + ** sure we are trying to connect to a socket. */ + if (errno == ECONNREFUSED) + { + struct stat st; + + if (stat(name, &st) < 0) + return -1; + else if (!S_ISSOCK(st.st_mode) || S_ISREG(st.st_mode)) + errno = ENOTSOCK; + } + return -1; + } + return s; +} + +/* Signal */ +static RETSIGTYPE +die(int sig) +{ + /* Print a nice pretty message for some things. */ + if (sig == SIGHUP || sig == SIGINT) + printf(EOS "\r\n[detached]\r\n"); + else + printf(EOS "\r\n[got signal %d - dying]\r\n", sig); + exit(1); +} + +/* Window size change. */ +static RETSIGTYPE +win_change() +{ + signal(SIGWINCH, win_change); + win_changed = 1; +} + +/* Handles input from the keyboard. */ +static void +process_kbd(int s, struct packet *pkt) +{ + /* Suspend? */ + if (!no_suspend && (pkt->u.buf[0] == cur_term.c_cc[VSUSP])) + { + /* Tell the master that we are suspending. */ + pkt->type = MSG_DETACH; + write(s, pkt, sizeof(struct packet)); + + /* And suspend... */ + tcsetattr(0, TCSADRAIN, &orig_term); + printf(EOS "\r\n"); + kill(getpid(), SIGTSTP); + tcsetattr(0, TCSADRAIN, &cur_term); + + /* Tell the master that we are returning. */ + pkt->type = MSG_ATTACH; + write(s, pkt, sizeof(struct packet)); + + /* We would like a redraw, too. */ + pkt->type = MSG_REDRAW; + pkt->len = redraw_method; + ioctl(0, TIOCGWINSZ, &pkt->u.ws); + write(s, pkt, sizeof(struct packet)); + return; + } + /* Detach char? */ + else if (pkt->u.buf[0] == detach_char) + { + printf(EOS "\r\n[detached]\r\n"); + exit(0); + } + /* Just in case something pukes out. */ + else if (pkt->u.buf[0] == '\f') + win_changed = 1; + + /* Push it out */ + write(s, pkt, sizeof(struct packet)); +} + +int +attach_main(int noerror) +{ + struct packet pkt; + unsigned char buf[BUFSIZE]; + fd_set readfds; + int s; + + /* Attempt to open the socket. Don't display an error if noerror is + ** set. */ + s = connect_socket(sockname); + if (s < 0 && errno == ENAMETOOLONG) + { + char *slash = strrchr(sockname, '/'); + + /* Try to shorten the socket's path name by using chdir. */ + if (slash) + { + int dirfd = open(".", O_RDONLY); + + if (dirfd >= 0) + { + *slash = '\0'; + if (chdir(sockname) >= 0) + { + s = connect_socket(slash + 1); + fchdir(dirfd); + } + *slash = '/'; + close(dirfd); + } + } + } + if (s < 0) + { + if (!noerror) + printf("%s: %s: %s\n", progname, sockname, + strerror(errno)); + return 1; + } + + /* The current terminal settings are equal to the original terminal + ** settings at this point. */ + cur_term = orig_term; + + /* Set a trap to restore the terminal when we die. */ + atexit(restore_term); + + /* Set some signals. */ + signal(SIGPIPE, SIG_IGN); + signal(SIGXFSZ, SIG_IGN); + signal(SIGHUP, die); + signal(SIGTERM, die); + signal(SIGINT, die); + signal(SIGQUIT, die); + signal(SIGWINCH, win_change); + + /* Set raw mode. */ + cur_term.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL); + cur_term.c_iflag &= ~(IXON|IXOFF); + cur_term.c_oflag &= ~(OPOST); + cur_term.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); + cur_term.c_cflag &= ~(CSIZE|PARENB); + cur_term.c_cflag |= CS8; + cur_term.c_cc[VLNEXT] = VDISABLE; + cur_term.c_cc[VMIN] = 1; + cur_term.c_cc[VTIME] = 0; + tcsetattr(0, TCSADRAIN, &cur_term); + + /* Clear the screen. This assumes VT100. */ + write(1, "\33[H\33[J", 6); + + /* Tell the master that we want to attach. */ + memset(&pkt, 0, sizeof(struct packet)); + pkt.type = MSG_ATTACH; + write(s, &pkt, sizeof(struct packet)); + + /* We would like a redraw, too. */ + pkt.type = MSG_REDRAW; + pkt.len = redraw_method; + ioctl(0, TIOCGWINSZ, &pkt.u.ws); + write(s, &pkt, sizeof(struct packet)); + + /* Wait for things to happen */ + while (1) + { + int n; + + FD_ZERO(&readfds); + FD_SET(0, &readfds); + FD_SET(s, &readfds); + n = select(s + 1, &readfds, NULL, NULL, NULL); + if (n < 0 && errno != EINTR && errno != EAGAIN) + { + printf(EOS "\r\n[select failed]\r\n"); + exit(1); + } + + /* Pty activity */ + if (n > 0 && FD_ISSET(s, &readfds)) + { + ssize_t len = read(s, buf, sizeof(buf)); + + if (len == 0) + { + printf(EOS "\r\n[EOF - dtach terminating]" + "\r\n"); + exit(0); + } + else if (len < 0) + { + printf(EOS "\r\n[read returned an error]\r\n"); + exit(1); + } + /* Send the data to the terminal. */ + write(1, buf, len); + n--; + } + /* stdin activity */ + if (n > 0 && FD_ISSET(0, &readfds)) + { + ssize_t len; + + pkt.type = MSG_PUSH; + memset(pkt.u.buf, 0, sizeof(pkt.u.buf)); + len = read(0, pkt.u.buf, sizeof(pkt.u.buf)); + + if (len <= 0) + exit(1); + + pkt.len = len; + process_kbd(s, &pkt); + n--; + } + + /* Window size changed? */ + if (win_changed) + { + win_changed = 0; + + pkt.type = MSG_WINCH; + ioctl(0, TIOCGWINSZ, &pkt.u.ws); + write(s, &pkt, sizeof(pkt)); + } + } + return 0; +} + +int +push_main() +{ + struct packet pkt; + int s; + + /* Attempt to open the socket. */ + s = connect_socket(sockname); + if (s < 0 && errno == ENAMETOOLONG) + { + char *slash = strrchr(sockname, '/'); + + /* Try to shorten the socket's path name by using chdir. */ + if (slash) + { + int dirfd = open(".", O_RDONLY); + + if (dirfd >= 0) + { + *slash = '\0'; + if (chdir(sockname) >= 0) + { + s = connect_socket(slash + 1); + fchdir(dirfd); + } + *slash = '/'; + close(dirfd); + } + } + } + if (s < 0) + { + printf("%s: %s: %s\n", progname, sockname, strerror(errno)); + return 1; + } + + /* Set some signals. */ + signal(SIGPIPE, SIG_IGN); + + /* Push the contents of standard input to the socket. */ + pkt.type = MSG_PUSH; + for (;;) + { + ssize_t len; + + memset(pkt.u.buf, 0, sizeof(pkt.u.buf)); + len = read(0, pkt.u.buf, sizeof(pkt.u.buf)); + + if (len == 0) + return 0; + else if (len < 0) + { + printf("%s: %s: %s\n", progname, sockname, + strerror(errno)); + return 1; + } + + pkt.len = len; + if (write(s, &pkt, sizeof(struct packet)) < 0) + { + printf("%s: %s: %s\n", progname, sockname, + strerror(errno)); + return 1; + } + } +} diff --git a/config.h b/config.h new file mode 100644 index 0000000..d71064f --- /dev/null +++ b/config.h @@ -0,0 +1,137 @@ +/* config.h. Generated from config.h.in by configure. */ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the `atexit' function. */ +#define HAVE_ATEXIT 1 + +/* Define to 1 if you have the `dup2' function. */ +#define HAVE_DUP2 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_FCNTL_H 1 + +/* Define to 1 if you have the `forkpty' function. */ +#define HAVE_FORKPTY 1 + +/* Define to 1 if you have the `grantpt' function. */ +#define HAVE_GRANTPT 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_INTTYPES_H 1 + +/* Define to 1 if you have the `socket' library (-lsocket). */ +/* #undef HAVE_LIBSOCKET */ + +/* Define to 1 if you have the `util' library (-lutil). */ +#define HAVE_LIBUTIL 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_LIBUTIL_H */ + +/* Define to 1 if you have the header file. */ +#define HAVE_MEMORY_H 1 + +/* Define to 1 if you have the `memset' function. */ +#define HAVE_MEMSET 1 + +/* Define to 1 if you have the `openpty' function. */ +#define HAVE_OPENPTY 1 + +/* Define to 1 if you have the `ptsname' function. */ +#define HAVE_PTSNAME 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_PTY_H 1 + +/* Define to 1 if you have the `select' function. */ +#define HAVE_SELECT 1 + +/* Define to 1 if you have the `socket' function. */ +#define HAVE_SOCKET 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STDINT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STDLIB_H 1 + +/* Define to 1 if you have the `strerror' function. */ +#define HAVE_STRERROR 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRINGS_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRING_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STROPTS_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_IOCTL_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_RESOURCE_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_SELECT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_SOCKET_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TIME_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_TERMIOS_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_UNISTD_H 1 + +/* Define to 1 if you have the `unlockpt' function. */ +#define HAVE_UNLOCKPT 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_UTIL_H */ + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "dtach" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "dtach 0.9" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "dtach" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "0.9" + +/* Define as the return type of signal handlers (`int' or `void'). */ +#define RETSIGTYPE void + +/* Define to 1 if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Define to 1 if you can safely include both and . */ +#define TIME_WITH_SYS_TIME 1 + +/* Define to empty if `const' does not conform to ANSI C. */ +/* #undef const */ + +/* Define to `int' if does not define. */ +/* #undef pid_t */ + +/* Define to `int' if does not define. */ +/* #undef ssize_t */ diff --git a/config.h.in b/config.h.in new file mode 100644 index 0000000..1932fde --- /dev/null +++ b/config.h.in @@ -0,0 +1,136 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the `atexit' function. */ +#undef HAVE_ATEXIT + +/* Define to 1 if you have the `dup2' function. */ +#undef HAVE_DUP2 + +/* Define to 1 if you have the header file. */ +#undef HAVE_FCNTL_H + +/* Define to 1 if you have the `forkpty' function. */ +#undef HAVE_FORKPTY + +/* Define to 1 if you have the `grantpt' function. */ +#undef HAVE_GRANTPT + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `socket' library (-lsocket). */ +#undef HAVE_LIBSOCKET + +/* Define to 1 if you have the `util' library (-lutil). */ +#undef HAVE_LIBUTIL + +/* Define to 1 if you have the header file. */ +#undef HAVE_LIBUTIL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `memset' function. */ +#undef HAVE_MEMSET + +/* Define to 1 if you have the `openpty' function. */ +#undef HAVE_OPENPTY + +/* Define to 1 if you have the `ptsname' function. */ +#undef HAVE_PTSNAME + +/* Define to 1 if you have the header file. */ +#undef HAVE_PTY_H + +/* Define to 1 if you have the `select' function. */ +#undef HAVE_SELECT + +/* Define to 1 if you have the `socket' function. */ +#undef HAVE_SOCKET + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the `strerror' function. */ +#undef HAVE_STRERROR + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STROPTS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_IOCTL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_RESOURCE_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SELECT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SOCKET_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_TERMIOS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the `unlockpt' function. */ +#undef HAVE_UNLOCKPT + +/* Define to 1 if you have the header file. */ +#undef HAVE_UTIL_H + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define as the return type of signal handlers (`int' or `void'). */ +#undef RETSIGTYPE + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Define to 1 if you can safely include both and . */ +#undef TIME_WITH_SYS_TIME + +/* Define to empty if `const' does not conform to ANSI C. */ +#undef const + +/* Define to `int' if does not define. */ +#undef pid_t + +/* Define to `int' if does not define. */ +#undef ssize_t diff --git a/config.log b/config.log new file mode 100644 index 0000000..160ff30 --- /dev/null +++ b/config.log @@ -0,0 +1,1016 @@ +This file contains any messages produced by compilers while +running configure, to aid debugging if configure makes a mistake. + +It was created by dtach configure 0.9, which was +generated by GNU Autoconf 2.69. Invocation command line was + + $ ./configure + +## --------- ## +## Platform. ## +## --------- ## + +hostname = ifh-taifun +uname -m = x86_64 +uname -r = 4.19.0-14-amd64 +uname -s = Linux +uname -v = #1 SMP Debian 4.19.171-2 (2021-01-30) + +/usr/bin/uname -p = unknown +/bin/uname -X = unknown + +/bin/arch = x86_64 +/usr/bin/arch -k = unknown +/usr/convex/getsysinfo = unknown +/usr/bin/hostinfo = unknown +/bin/machine = unknown +/usr/bin/oslevel = unknown +/bin/universe = unknown + +PATH: /home/stumpf/.local/opt/rust/cargo//bin +PATH: /home/stumpf/perl5/bin +PATH: /home/stumpf/git/ucftools//python/ucf/tools +PATH: /home/stumpf/git/ucftools//python +PATH: /home/stumpf/git/ucftools//bash +PATH: /home/stumpf/Projects/MOAT/pp_fd//python/monsoon-data-center/ +PATH: /opt/openmpi/openmpi-4.0.1-GNU8/bin/ +PATH: /home/stumpf/.local/opt/ParaView-5.7.0-osmesa-MPI-Linux-Python3.7-64bit/bin +PATH: /home/stumpf/.local/opt/pip3-ifh-taifun//bin/ +PATH: /home/stumpf/.local/opt/bazel-3.7.2 +PATH: /home/stumpf/.local/bin/ +PATH: /home/stumpf/scripts/ +PATH: /home/stumpf/Projects/MOAT/pp_fd/bash/ +PATH: /home/stumpf/.local/opt/hdf5-1.10.5/install/bin/ +PATH: /home/stumpf/.local/opt/cmake-3.15.4-Linux-x86_64/bin/ +PATH: /home/stumpf/.local/opt/ffmpeg-4.3.1-amd64-static +PATH: /home/stumpf/invariant_solutions/channelflow-2.0/install/bin +PATH: /home/stumpf/.local/opt/tmux/install-ifh-taifun/bin +PATH: /opt/intel/v2019_u5/bin/ +PATH: /opt/pbspro/default/bin/ +PATH: /home/stumpf/.local/opt/julia-1.4.1/bin/ +PATH: /home/stumpf/.local/opt/viu/target/release/ +PATH: /home/stumpf/.autojump/bin +PATH: /usr/local/bin +PATH: /usr/bin +PATH: /bin +PATH: /usr/local/games +PATH: /usr/games +PATH: /opt/pbspro/june2020/bin + + +## ----------- ## +## Core tests. ## +## ----------- ## + +configure:2190: checking for gcc +configure:2206: found /usr/bin/gcc +configure:2217: result: gcc +configure:2446: checking for C compiler version +configure:2455: gcc --version >&5 +gcc (Debian 8.3.0-6) 8.3.0 +Copyright (C) 2018 Free Software Foundation, Inc. +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +configure:2466: $? = 0 +configure:2455: gcc -v >&5 +Using built-in specs. +COLLECT_GCC=gcc +COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper +OFFLOAD_TARGET_NAMES=nvptx-none +OFFLOAD_TARGET_DEFAULT=1 +Target: x86_64-linux-gnu +Configured with: ../src/configure -v --with-pkgversion='Debian 8.3.0-6' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-8 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu +Thread model: posix +gcc version 8.3.0 (Debian 8.3.0-6) +configure:2466: $? = 0 +configure:2455: gcc -V >&5 +gcc: error: unrecognized command line option '-V' +gcc: fatal error: no input files +compilation terminated. +configure:2466: $? = 1 +configure:2455: gcc -qversion >&5 +gcc: error: unrecognized command line option '-qversion'; did you mean '--version'? +gcc: fatal error: no input files +compilation terminated. +configure:2466: $? = 1 +configure:2486: checking whether the C compiler works +configure:2508: gcc conftest.c >&5 +configure:2512: $? = 0 +configure:2560: result: yes +configure:2563: checking for C compiler default output file name +configure:2565: result: a.out +configure:2571: checking for suffix of executables +configure:2578: gcc -o conftest conftest.c >&5 +configure:2582: $? = 0 +configure:2604: result: +configure:2626: checking whether we are cross compiling +configure:2634: gcc -o conftest conftest.c >&5 +configure:2638: $? = 0 +configure:2645: ./conftest +configure:2649: $? = 0 +configure:2637: result: no +configure:2642: checking for suffix of object files +configure:2664: gcc -c conftest.c >&5 +configure:2668: $? = 0 +configure:2689: result: o +configure:2693: checking whether we are using the GNU C compiler +configure:2712: gcc -c conftest.c >&5 +configure:2712: $? = 0 +configure:2721: result: yes +configure:2730: checking whether gcc accepts -g +configure:2750: gcc -c -g conftest.c >&5 +configure:2750: $? = 0 +configure:2791: result: yes +configure:2808: checking for gcc option to accept ISO C89 +configure:2871: gcc -c -g -O2 conftest.c >&5 +configure:2871: $? = 0 +configure:2884: result: none needed +configure:2910: checking how to run the C preprocessor +configure:2941: gcc -E conftest.c +configure:2941: $? = 0 +configure:2955: gcc -E conftest.c +conftest.c:9:10: fatal error: ac_nonexistent.h: No such file or directory + #include + ^~~~~~~~~~~~~~~~~~ +compilation terminated. +configure:2955: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| /* end confdefs.h. */ +| #include +configure:2980: result: gcc -E +configure:3000: gcc -E conftest.c +configure:3000: $? = 0 +configure:3014: gcc -E conftest.c +conftest.c:9:10: fatal error: ac_nonexistent.h: No such file or directory + #include + ^~~~~~~~~~~~~~~~~~ +compilation terminated. +configure:3014: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| /* end confdefs.h. */ +| #include +configure:3043: checking for grep that handles long lines and -e +configure:3101: result: /usr/bin/grep +configure:3106: checking for egrep +configure:3168: result: /usr/bin/grep -E +configure:3174: checking whether gcc needs -traditional +configure:3208: result: no +configure:3221: checking for openpty in -lutil +configure:3246: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3246: $? = 0 +configure:3255: result: yes +configure:3266: checking for socket in -lsocket +configure:3291: gcc -o conftest -g -O2 -W -Wall conftest.c -lsocket -lutil >&5 +/usr/bin/ld: cannot find -lsocket +collect2: error: ld returned 1 exit status +configure:3291: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| /* end confdefs.h. */ +| +| /* Override any GCC internal prototype to avoid an error. +| Use char because int might match the return type of a GCC +| builtin and then its argument prototype would still apply. */ +| #ifdef __cplusplus +| extern "C" +| #endif +| char socket (); +| int +| main () +| { +| return socket (); +| ; +| return 0; +| } +configure:3300: result: no +configure:3313: checking for ANSI C header files +configure:3333: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3333: $? = 0 +configure:3406: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3406: $? = 0 +configure:3406: ./conftest +configure:3406: $? = 0 +configure:3417: result: yes +configure:3430: checking for sys/types.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for sys/stat.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for stdlib.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for string.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for memory.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for strings.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for inttypes.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for stdint.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3430: checking for unistd.h +configure:3430: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3430: $? = 0 +configure:3430: result: yes +configure:3445: checking fcntl.h usability +configure:3445: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking fcntl.h presence +configure:3445: gcc -E conftest.c +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking for fcntl.h +configure:3445: result: yes +configure:3445: checking sys/select.h usability +configure:3445: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking sys/select.h presence +configure:3445: gcc -E conftest.c +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking for sys/select.h +configure:3445: result: yes +configure:3445: checking sys/socket.h usability +configure:3445: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking sys/socket.h presence +configure:3445: gcc -E conftest.c +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking for sys/socket.h +configure:3445: result: yes +configure:3445: checking sys/time.h usability +configure:3445: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking sys/time.h presence +configure:3445: gcc -E conftest.c +configure:3445: $? = 0 +configure:3445: result: yes +configure:3445: checking for sys/time.h +configure:3445: result: yes +configure:3458: checking sys/ioctl.h usability +configure:3458: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking sys/ioctl.h presence +configure:3458: gcc -E conftest.c +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking for sys/ioctl.h +configure:3458: result: yes +configure:3458: checking sys/resource.h usability +configure:3458: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking sys/resource.h presence +configure:3458: gcc -E conftest.c +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking for sys/resource.h +configure:3458: result: yes +configure:3458: checking pty.h usability +configure:3458: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking pty.h presence +configure:3458: gcc -E conftest.c +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking for pty.h +configure:3458: result: yes +configure:3458: checking termios.h usability +configure:3458: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking termios.h presence +configure:3458: gcc -E conftest.c +configure:3458: $? = 0 +configure:3458: result: yes +configure:3458: checking for termios.h +configure:3458: result: yes +configure:3458: checking util.h usability +configure:3458: gcc -c -g -O2 -W -Wall conftest.c >&5 +conftest.c:61:10: fatal error: util.h: No such file or directory + #include + ^~~~~~~~ +compilation terminated. +configure:3458: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| #define STDC_HEADERS 1 +| #define HAVE_SYS_TYPES_H 1 +| #define HAVE_SYS_STAT_H 1 +| #define HAVE_STDLIB_H 1 +| #define HAVE_STRING_H 1 +| #define HAVE_MEMORY_H 1 +| #define HAVE_STRINGS_H 1 +| #define HAVE_INTTYPES_H 1 +| #define HAVE_STDINT_H 1 +| #define HAVE_UNISTD_H 1 +| #define HAVE_FCNTL_H 1 +| #define HAVE_SYS_SELECT_H 1 +| #define HAVE_SYS_SOCKET_H 1 +| #define HAVE_SYS_TIME_H 1 +| #define HAVE_SYS_IOCTL_H 1 +| #define HAVE_SYS_RESOURCE_H 1 +| #define HAVE_PTY_H 1 +| #define HAVE_TERMIOS_H 1 +| /* end confdefs.h. */ +| #include +| #ifdef HAVE_SYS_TYPES_H +| # include +| #endif +| #ifdef HAVE_SYS_STAT_H +| # include +| #endif +| #ifdef STDC_HEADERS +| # include +| # include +| #else +| # ifdef HAVE_STDLIB_H +| # include +| # endif +| #endif +| #ifdef HAVE_STRING_H +| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H +| # include +| # endif +| # include +| #endif +| #ifdef HAVE_STRINGS_H +| # include +| #endif +| #ifdef HAVE_INTTYPES_H +| # include +| #endif +| #ifdef HAVE_STDINT_H +| # include +| #endif +| #ifdef HAVE_UNISTD_H +| # include +| #endif +| #include +configure:3458: result: no +configure:3458: checking util.h presence +configure:3458: gcc -E conftest.c +conftest.c:28:10: fatal error: util.h: No such file or directory + #include + ^~~~~~~~ +compilation terminated. +configure:3458: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| #define STDC_HEADERS 1 +| #define HAVE_SYS_TYPES_H 1 +| #define HAVE_SYS_STAT_H 1 +| #define HAVE_STDLIB_H 1 +| #define HAVE_STRING_H 1 +| #define HAVE_MEMORY_H 1 +| #define HAVE_STRINGS_H 1 +| #define HAVE_INTTYPES_H 1 +| #define HAVE_STDINT_H 1 +| #define HAVE_UNISTD_H 1 +| #define HAVE_FCNTL_H 1 +| #define HAVE_SYS_SELECT_H 1 +| #define HAVE_SYS_SOCKET_H 1 +| #define HAVE_SYS_TIME_H 1 +| #define HAVE_SYS_IOCTL_H 1 +| #define HAVE_SYS_RESOURCE_H 1 +| #define HAVE_PTY_H 1 +| #define HAVE_TERMIOS_H 1 +| /* end confdefs.h. */ +| #include +configure:3458: result: no +configure:3458: checking for util.h +configure:3458: result: no +configure:3471: checking libutil.h usability +configure:3471: gcc -c -g -O2 -W -Wall conftest.c >&5 +conftest.c:61:10: fatal error: libutil.h: No such file or directory + #include + ^~~~~~~~~~~ +compilation terminated. +configure:3471: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| #define STDC_HEADERS 1 +| #define HAVE_SYS_TYPES_H 1 +| #define HAVE_SYS_STAT_H 1 +| #define HAVE_STDLIB_H 1 +| #define HAVE_STRING_H 1 +| #define HAVE_MEMORY_H 1 +| #define HAVE_STRINGS_H 1 +| #define HAVE_INTTYPES_H 1 +| #define HAVE_STDINT_H 1 +| #define HAVE_UNISTD_H 1 +| #define HAVE_FCNTL_H 1 +| #define HAVE_SYS_SELECT_H 1 +| #define HAVE_SYS_SOCKET_H 1 +| #define HAVE_SYS_TIME_H 1 +| #define HAVE_SYS_IOCTL_H 1 +| #define HAVE_SYS_RESOURCE_H 1 +| #define HAVE_PTY_H 1 +| #define HAVE_TERMIOS_H 1 +| /* end confdefs.h. */ +| #include +| #ifdef HAVE_SYS_TYPES_H +| # include +| #endif +| #ifdef HAVE_SYS_STAT_H +| # include +| #endif +| #ifdef STDC_HEADERS +| # include +| # include +| #else +| # ifdef HAVE_STDLIB_H +| # include +| # endif +| #endif +| #ifdef HAVE_STRING_H +| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H +| # include +| # endif +| # include +| #endif +| #ifdef HAVE_STRINGS_H +| # include +| #endif +| #ifdef HAVE_INTTYPES_H +| # include +| #endif +| #ifdef HAVE_STDINT_H +| # include +| #endif +| #ifdef HAVE_UNISTD_H +| # include +| #endif +| #include +configure:3471: result: no +configure:3471: checking libutil.h presence +configure:3471: gcc -E conftest.c +conftest.c:28:10: fatal error: libutil.h: No such file or directory + #include + ^~~~~~~~~~~ +compilation terminated. +configure:3471: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| #define STDC_HEADERS 1 +| #define HAVE_SYS_TYPES_H 1 +| #define HAVE_SYS_STAT_H 1 +| #define HAVE_STDLIB_H 1 +| #define HAVE_STRING_H 1 +| #define HAVE_MEMORY_H 1 +| #define HAVE_STRINGS_H 1 +| #define HAVE_INTTYPES_H 1 +| #define HAVE_STDINT_H 1 +| #define HAVE_UNISTD_H 1 +| #define HAVE_FCNTL_H 1 +| #define HAVE_SYS_SELECT_H 1 +| #define HAVE_SYS_SOCKET_H 1 +| #define HAVE_SYS_TIME_H 1 +| #define HAVE_SYS_IOCTL_H 1 +| #define HAVE_SYS_RESOURCE_H 1 +| #define HAVE_PTY_H 1 +| #define HAVE_TERMIOS_H 1 +| /* end confdefs.h. */ +| #include +configure:3471: result: no +configure:3471: checking for libutil.h +configure:3471: result: no +configure:3471: checking stropts.h usability +configure:3471: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3471: $? = 0 +configure:3471: result: yes +configure:3471: checking stropts.h presence +configure:3471: gcc -E conftest.c +configure:3471: $? = 0 +configure:3471: result: yes +configure:3471: checking for stropts.h +configure:3471: result: yes +configure:3481: checking whether time.h and sys/time.h may both be included +configure:3501: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3501: $? = 0 +configure:3508: result: yes +configure:3518: checking for an ANSI C-conforming const +configure:3584: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3584: $? = 0 +configure:3591: result: yes +configure:3599: checking for pid_t +configure:3599: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3599: $? = 0 +configure:3599: gcc -c -g -O2 -W -Wall conftest.c >&5 +conftest.c: In function 'main': +conftest.c:66:20: error: expected expression before ')' token + if (sizeof ((pid_t))) + ^ +configure:3599: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| #define STDC_HEADERS 1 +| #define HAVE_SYS_TYPES_H 1 +| #define HAVE_SYS_STAT_H 1 +| #define HAVE_STDLIB_H 1 +| #define HAVE_STRING_H 1 +| #define HAVE_MEMORY_H 1 +| #define HAVE_STRINGS_H 1 +| #define HAVE_INTTYPES_H 1 +| #define HAVE_STDINT_H 1 +| #define HAVE_UNISTD_H 1 +| #define HAVE_FCNTL_H 1 +| #define HAVE_SYS_SELECT_H 1 +| #define HAVE_SYS_SOCKET_H 1 +| #define HAVE_SYS_TIME_H 1 +| #define HAVE_SYS_IOCTL_H 1 +| #define HAVE_SYS_RESOURCE_H 1 +| #define HAVE_PTY_H 1 +| #define HAVE_TERMIOS_H 1 +| #define HAVE_STROPTS_H 1 +| #define TIME_WITH_SYS_TIME 1 +| /* end confdefs.h. */ +| #include +| #ifdef HAVE_SYS_TYPES_H +| # include +| #endif +| #ifdef HAVE_SYS_STAT_H +| # include +| #endif +| #ifdef STDC_HEADERS +| # include +| # include +| #else +| # ifdef HAVE_STDLIB_H +| # include +| # endif +| #endif +| #ifdef HAVE_STRING_H +| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H +| # include +| # endif +| # include +| #endif +| #ifdef HAVE_STRINGS_H +| # include +| #endif +| #ifdef HAVE_INTTYPES_H +| # include +| #endif +| #ifdef HAVE_STDINT_H +| # include +| #endif +| #ifdef HAVE_UNISTD_H +| # include +| #endif +| int +| main () +| { +| if (sizeof ((pid_t))) +| return 0; +| ; +| return 0; +| } +configure:3599: result: yes +configure:3610: checking for ssize_t +configure:3610: gcc -c -g -O2 -W -Wall conftest.c >&5 +configure:3610: $? = 0 +configure:3610: gcc -c -g -O2 -W -Wall conftest.c >&5 +conftest.c: In function 'main': +conftest.c:66:22: error: expected expression before ')' token + if (sizeof ((ssize_t))) + ^ +configure:3610: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| #define STDC_HEADERS 1 +| #define HAVE_SYS_TYPES_H 1 +| #define HAVE_SYS_STAT_H 1 +| #define HAVE_STDLIB_H 1 +| #define HAVE_STRING_H 1 +| #define HAVE_MEMORY_H 1 +| #define HAVE_STRINGS_H 1 +| #define HAVE_INTTYPES_H 1 +| #define HAVE_STDINT_H 1 +| #define HAVE_UNISTD_H 1 +| #define HAVE_FCNTL_H 1 +| #define HAVE_SYS_SELECT_H 1 +| #define HAVE_SYS_SOCKET_H 1 +| #define HAVE_SYS_TIME_H 1 +| #define HAVE_SYS_IOCTL_H 1 +| #define HAVE_SYS_RESOURCE_H 1 +| #define HAVE_PTY_H 1 +| #define HAVE_TERMIOS_H 1 +| #define HAVE_STROPTS_H 1 +| #define TIME_WITH_SYS_TIME 1 +| /* end confdefs.h. */ +| #include +| #ifdef HAVE_SYS_TYPES_H +| # include +| #endif +| #ifdef HAVE_SYS_STAT_H +| # include +| #endif +| #ifdef STDC_HEADERS +| # include +| # include +| #else +| # ifdef HAVE_STDLIB_H +| # include +| # endif +| #endif +| #ifdef HAVE_STRING_H +| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H +| # include +| # endif +| # include +| #endif +| #ifdef HAVE_STRINGS_H +| # include +| #endif +| #ifdef HAVE_INTTYPES_H +| # include +| #endif +| #ifdef HAVE_STDINT_H +| # include +| #endif +| #ifdef HAVE_UNISTD_H +| # include +| #endif +| int +| main () +| { +| if (sizeof ((ssize_t))) +| return 0; +| ; +| return 0; +| } +configure:3610: result: yes +configure:3623: checking return type of signal handlers +configure:3641: gcc -c -g -O2 -W -Wall conftest.c >&5 +conftest.c: In function 'main': +conftest.c:36:10: error: void value not ignored as it ought to be + return *(signal (0, 0)) (0) == 1; + ~^~~~~~~~~~~~~~~~~~ +configure:3641: $? = 1 +configure: failed program was: +| /* confdefs.h */ +| #define PACKAGE_NAME "dtach" +| #define PACKAGE_TARNAME "dtach" +| #define PACKAGE_VERSION "0.9" +| #define PACKAGE_STRING "dtach 0.9" +| #define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +| #define PACKAGE_URL "" +| #define HAVE_LIBUTIL 1 +| #define STDC_HEADERS 1 +| #define HAVE_SYS_TYPES_H 1 +| #define HAVE_SYS_STAT_H 1 +| #define HAVE_STDLIB_H 1 +| #define HAVE_STRING_H 1 +| #define HAVE_MEMORY_H 1 +| #define HAVE_STRINGS_H 1 +| #define HAVE_INTTYPES_H 1 +| #define HAVE_STDINT_H 1 +| #define HAVE_UNISTD_H 1 +| #define HAVE_FCNTL_H 1 +| #define HAVE_SYS_SELECT_H 1 +| #define HAVE_SYS_SOCKET_H 1 +| #define HAVE_SYS_TIME_H 1 +| #define HAVE_SYS_IOCTL_H 1 +| #define HAVE_SYS_RESOURCE_H 1 +| #define HAVE_PTY_H 1 +| #define HAVE_TERMIOS_H 1 +| #define HAVE_STROPTS_H 1 +| #define TIME_WITH_SYS_TIME 1 +| /* end confdefs.h. */ +| #include +| #include +| +| int +| main () +| { +| return *(signal (0, 0)) (0) == 1; +| ; +| return 0; +| } +configure:3648: result: void +configure:3659: checking for atexit +configure:3659: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3659: $? = 0 +configure:3659: result: yes +configure:3659: checking for dup2 +configure:3659: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3659: $? = 0 +configure:3659: result: yes +configure:3659: checking for memset +configure:3659: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +conftest.c:56:6: warning: conflicting types for built-in function 'memset' [-Wbuiltin-declaration-mismatch] + char memset (); + ^~~~~~ +configure:3659: $? = 0 +configure:3659: result: yes +configure:3671: checking for select +configure:3671: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3671: $? = 0 +configure:3671: result: yes +configure:3671: checking for socket +configure:3671: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3671: $? = 0 +configure:3671: result: yes +configure:3671: checking for strerror +configure:3671: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3671: $? = 0 +configure:3671: result: yes +configure:3683: checking for openpty +configure:3683: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3683: $? = 0 +configure:3683: result: yes +configure:3683: checking for forkpty +configure:3683: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3683: $? = 0 +configure:3683: result: yes +configure:3683: checking for ptsname +configure:3683: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3683: $? = 0 +configure:3683: result: yes +configure:3683: checking for grantpt +configure:3683: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3683: $? = 0 +configure:3683: result: yes +configure:3683: checking for unlockpt +configure:3683: gcc -o conftest -g -O2 -W -Wall conftest.c -lutil >&5 +configure:3683: $? = 0 +configure:3683: result: yes +configure:3801: creating ./config.status + +## ---------------------- ## +## Running config.status. ## +## ---------------------- ## + +This file was extended by dtach config.status 0.9, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = + CONFIG_HEADERS = + CONFIG_LINKS = + CONFIG_COMMANDS = + $ ./config.status + +on ifh-taifun + +config.status:816: creating Makefile +config.status:816: creating config.h + +## ---------------- ## +## Cache variables. ## +## ---------------- ## + +ac_cv_c_compiler_gnu=yes +ac_cv_c_const=yes +ac_cv_env_CC_set= +ac_cv_env_CC_value= +ac_cv_env_CFLAGS_set= +ac_cv_env_CFLAGS_value= +ac_cv_env_CPPFLAGS_set= +ac_cv_env_CPPFLAGS_value= +ac_cv_env_CPP_set= +ac_cv_env_CPP_value= +ac_cv_env_LDFLAGS_set= +ac_cv_env_LDFLAGS_value= +ac_cv_env_LIBS_set= +ac_cv_env_LIBS_value= +ac_cv_env_build_alias_set= +ac_cv_env_build_alias_value= +ac_cv_env_host_alias_set= +ac_cv_env_host_alias_value= +ac_cv_env_target_alias_set= +ac_cv_env_target_alias_value= +ac_cv_func_atexit=yes +ac_cv_func_dup2=yes +ac_cv_func_forkpty=yes +ac_cv_func_grantpt=yes +ac_cv_func_memset=yes +ac_cv_func_openpty=yes +ac_cv_func_ptsname=yes +ac_cv_func_select=yes +ac_cv_func_socket=yes +ac_cv_func_strerror=yes +ac_cv_func_unlockpt=yes +ac_cv_header_fcntl_h=yes +ac_cv_header_inttypes_h=yes +ac_cv_header_libutil_h=no +ac_cv_header_memory_h=yes +ac_cv_header_pty_h=yes +ac_cv_header_stdc=yes +ac_cv_header_stdint_h=yes +ac_cv_header_stdlib_h=yes +ac_cv_header_string_h=yes +ac_cv_header_strings_h=yes +ac_cv_header_stropts_h=yes +ac_cv_header_sys_ioctl_h=yes +ac_cv_header_sys_resource_h=yes +ac_cv_header_sys_select_h=yes +ac_cv_header_sys_socket_h=yes +ac_cv_header_sys_stat_h=yes +ac_cv_header_sys_time_h=yes +ac_cv_header_sys_types_h=yes +ac_cv_header_termios_h=yes +ac_cv_header_time=yes +ac_cv_header_unistd_h=yes +ac_cv_header_util_h=no +ac_cv_lib_socket_socket=no +ac_cv_lib_util_openpty=yes +ac_cv_objext=o +ac_cv_path_EGREP='/usr/bin/grep -E' +ac_cv_path_GREP=/usr/bin/grep +ac_cv_prog_CPP='gcc -E' +ac_cv_prog_ac_ct_CC=gcc +ac_cv_prog_cc_c89= +ac_cv_prog_cc_g=yes +ac_cv_prog_gcc_traditional=no +ac_cv_type_pid_t=yes +ac_cv_type_signal=void +ac_cv_type_ssize_t=yes + +## ----------------- ## +## Output variables. ## +## ----------------- ## + +CC='gcc' +CFLAGS='-g -O2 -W -Wall' +CPP='gcc -E' +CPPFLAGS='' +DEFS='-DHAVE_CONFIG_H' +ECHO_C='' +ECHO_N='-n' +ECHO_T='' +EGREP='/usr/bin/grep -E' +EXEEXT='' +GREP='/usr/bin/grep' +LDFLAGS='' +LIBOBJS='' +LIBS='-lutil ' +LTLIBOBJS='' +OBJEXT='o' +PACKAGE_BUGREPORT='crigler@users.sourceforge.net' +PACKAGE_NAME='dtach' +PACKAGE_STRING='dtach 0.9' +PACKAGE_TARNAME='dtach' +PACKAGE_URL='' +PACKAGE_VERSION='0.9' +PATH_SEPARATOR=':' +SHELL='/bin/bash' +ac_ct_CC='gcc' +bindir='${exec_prefix}/bin' +build_alias='' +datadir='${datarootdir}' +datarootdir='${prefix}/share' +docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' +dvidir='${docdir}' +exec_prefix='${prefix}' +host_alias='' +htmldir='${docdir}' +includedir='${prefix}/include' +infodir='${datarootdir}/info' +libdir='${exec_prefix}/lib' +libexecdir='${exec_prefix}/libexec' +localedir='${datarootdir}/locale' +localstatedir='${prefix}/var' +mandir='${datarootdir}/man' +oldincludedir='/usr/include' +pdfdir='${docdir}' +prefix='/usr/local' +program_transform_name='s,x,x,' +psdir='${docdir}' +sbindir='${exec_prefix}/sbin' +sharedstatedir='${prefix}/com' +sysconfdir='${prefix}/etc' +target_alias='' + +## ----------- ## +## confdefs.h. ## +## ----------- ## + +/* confdefs.h */ +#define PACKAGE_NAME "dtach" +#define PACKAGE_TARNAME "dtach" +#define PACKAGE_VERSION "0.9" +#define PACKAGE_STRING "dtach 0.9" +#define PACKAGE_BUGREPORT "crigler@users.sourceforge.net" +#define PACKAGE_URL "" +#define HAVE_LIBUTIL 1 +#define STDC_HEADERS 1 +#define HAVE_SYS_TYPES_H 1 +#define HAVE_SYS_STAT_H 1 +#define HAVE_STDLIB_H 1 +#define HAVE_STRING_H 1 +#define HAVE_MEMORY_H 1 +#define HAVE_STRINGS_H 1 +#define HAVE_INTTYPES_H 1 +#define HAVE_STDINT_H 1 +#define HAVE_UNISTD_H 1 +#define HAVE_FCNTL_H 1 +#define HAVE_SYS_SELECT_H 1 +#define HAVE_SYS_SOCKET_H 1 +#define HAVE_SYS_TIME_H 1 +#define HAVE_SYS_IOCTL_H 1 +#define HAVE_SYS_RESOURCE_H 1 +#define HAVE_PTY_H 1 +#define HAVE_TERMIOS_H 1 +#define HAVE_STROPTS_H 1 +#define TIME_WITH_SYS_TIME 1 +#define RETSIGTYPE void +#define HAVE_ATEXIT 1 +#define HAVE_DUP2 1 +#define HAVE_MEMSET 1 +#define HAVE_SELECT 1 +#define HAVE_SOCKET 1 +#define HAVE_STRERROR 1 +#define HAVE_OPENPTY 1 +#define HAVE_FORKPTY 1 +#define HAVE_PTSNAME 1 +#define HAVE_GRANTPT 1 +#define HAVE_UNLOCKPT 1 + +configure: exit 0 diff --git a/config.status b/config.status new file mode 100755 index 0000000..012daf4 --- /dev/null +++ b/config.status @@ -0,0 +1,1010 @@ +#! /bin/bash +# Generated by configure. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=${CONFIG_SHELL-/bin/bash} +export SHELL +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by dtach $as_me 0.9, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +# Files that config.status was made for. +config_files=" Makefile" +config_headers=" config.h" + +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Report bugs to ." + +ac_cs_config="" +ac_cs_version="\ +dtach config.status 0.9 +configured by ./configure, generated by GNU Autoconf 2.69, + with options \"$ac_cs_config\" + +Copyright (C) 2012 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='/home/stumpf/.local/opt/dtach' +srcdir='.' +test -n "$AWK" || AWK=awk +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +if $ac_cs_recheck; then + set X /bin/bash './configure' $ac_configure_extra_args --no-create --no-recursion + shift + $as_echo "running CONFIG_SHELL=/bin/bash $*" >&6 + CONFIG_SHELL='/bin/bash' + export CONFIG_SHELL + exec "$@" +fi + +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +cat >>"$ac_tmp/subs1.awk" <<\_ACAWK && +S["LTLIBOBJS"]="" +S["LIBOBJS"]="" +S["EGREP"]="/usr/bin/grep -E" +S["GREP"]="/usr/bin/grep" +S["CPP"]="gcc -E" +S["OBJEXT"]="o" +S["EXEEXT"]="" +S["ac_ct_CC"]="gcc" +S["CPPFLAGS"]="" +S["LDFLAGS"]="" +S["CFLAGS"]="-g -O2 -W -Wall" +S["CC"]="gcc" +S["target_alias"]="" +S["host_alias"]="" +S["build_alias"]="" +S["LIBS"]="-lutil " +S["ECHO_T"]="" +S["ECHO_N"]="-n" +S["ECHO_C"]="" +S["DEFS"]="-DHAVE_CONFIG_H" +S["mandir"]="${datarootdir}/man" +S["localedir"]="${datarootdir}/locale" +S["libdir"]="${exec_prefix}/lib" +S["psdir"]="${docdir}" +S["pdfdir"]="${docdir}" +S["dvidir"]="${docdir}" +S["htmldir"]="${docdir}" +S["infodir"]="${datarootdir}/info" +S["docdir"]="${datarootdir}/doc/${PACKAGE_TARNAME}" +S["oldincludedir"]="/usr/include" +S["includedir"]="${prefix}/include" +S["localstatedir"]="${prefix}/var" +S["sharedstatedir"]="${prefix}/com" +S["sysconfdir"]="${prefix}/etc" +S["datadir"]="${datarootdir}" +S["datarootdir"]="${prefix}/share" +S["libexecdir"]="${exec_prefix}/libexec" +S["sbindir"]="${exec_prefix}/sbin" +S["bindir"]="${exec_prefix}/bin" +S["program_transform_name"]="s,x,x," +S["prefix"]="/usr/local" +S["exec_prefix"]="${prefix}" +S["PACKAGE_URL"]="" +S["PACKAGE_BUGREPORT"]="crigler@users.sourceforge.net" +S["PACKAGE_STRING"]="dtach 0.9" +S["PACKAGE_VERSION"]="0.9" +S["PACKAGE_TARNAME"]="dtach" +S["PACKAGE_NAME"]="dtach" +S["PATH_SEPARATOR"]=":" +S["SHELL"]="/bin/bash" +_ACAWK +cat >>"$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +D["PACKAGE_NAME"]=" \"dtach\"" +D["PACKAGE_TARNAME"]=" \"dtach\"" +D["PACKAGE_VERSION"]=" \"0.9\"" +D["PACKAGE_STRING"]=" \"dtach 0.9\"" +D["PACKAGE_BUGREPORT"]=" \"crigler@users.sourceforge.net\"" +D["PACKAGE_URL"]=" \"\"" +D["HAVE_LIBUTIL"]=" 1" +D["STDC_HEADERS"]=" 1" +D["HAVE_SYS_TYPES_H"]=" 1" +D["HAVE_SYS_STAT_H"]=" 1" +D["HAVE_STDLIB_H"]=" 1" +D["HAVE_STRING_H"]=" 1" +D["HAVE_MEMORY_H"]=" 1" +D["HAVE_STRINGS_H"]=" 1" +D["HAVE_INTTYPES_H"]=" 1" +D["HAVE_STDINT_H"]=" 1" +D["HAVE_UNISTD_H"]=" 1" +D["HAVE_FCNTL_H"]=" 1" +D["HAVE_SYS_SELECT_H"]=" 1" +D["HAVE_SYS_SOCKET_H"]=" 1" +D["HAVE_SYS_TIME_H"]=" 1" +D["HAVE_SYS_IOCTL_H"]=" 1" +D["HAVE_SYS_RESOURCE_H"]=" 1" +D["HAVE_PTY_H"]=" 1" +D["HAVE_TERMIOS_H"]=" 1" +D["HAVE_STROPTS_H"]=" 1" +D["TIME_WITH_SYS_TIME"]=" 1" +D["RETSIGTYPE"]=" void" +D["HAVE_ATEXIT"]=" 1" +D["HAVE_DUP2"]=" 1" +D["HAVE_MEMSET"]=" 1" +D["HAVE_SELECT"]=" 1" +D["HAVE_SOCKET"]=" 1" +D["HAVE_STRERROR"]=" 1" +D["HAVE_OPENPTY"]=" 1" +D["HAVE_FORKPTY"]=" 1" +D["HAVE_PTSNAME"]=" 1" +D["HAVE_GRANTPT"]=" 1" +D["HAVE_UNLOCKPT"]=" 1" + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+[_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ][_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]*([\t (]|$)/ { + line = $ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS " +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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Generated by config.status. */ + configure_input='Generated from '` + $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +$as_echo "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`$as_echo "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} + ac_datarootdir_hack=' + s&@datadir@&${datarootdir}&g + s&@docdir@&${datarootdir}/doc/${PACKAGE_TARNAME}&g + s&@infodir@&${datarootdir}/info&g + s&@localedir@&${datarootdir}/locale&g + s&@mandir@&${datarootdir}/man&g + s&\${datarootdir}&${prefix}/share&g' ;; +esac +ac_sed_extra="/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +} + +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? 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"could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +$as_echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? 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Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and +$0: crigler@users.sourceforge.net about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit +} + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + +if mkdir -p . 2>/dev/null; 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Invocation command line was + + $ $0 $@ + +_ACEOF +exec 5>>config.log +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + $as_echo "PATH: $as_dir" + done +IFS=$as_save_IFS + +} >&5 + +cat >&5 <<_ACEOF + + +## ----------- ## +## Core tests. ## +## ----------- ## + +_ACEOF + + +# Keep a trace of the command line. +# Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. +# Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. +ac_configure_args= +ac_configure_args0= +ac_configure_args1= +ac_must_keep_next=false +for ac_pass in 1 2 +do + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *\'*) + ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; + 2) + as_fn_append ac_configure_args1 " '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + as_fn_append ac_configure_args " '$ac_arg'" + ;; + esac + done +done +{ ac_configure_args0=; unset ac_configure_args0;} +{ ac_configure_args1=; unset ac_configure_args1;} + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. 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"$ac_site_file" \ + || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +$as_echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +$as_echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +$as_echo "$as_me: former value: \`$ac_old_val'" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +$as_echo "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + +ac_config_headers="$ac_config_headers config.h" + + +# Checks for programs. +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... 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We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... 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" >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +if test $ac_cv_c_compiler_gnu = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5 +$as_echo_n "checking whether $CC needs -traditional... " >&6; } +if ${ac_cv_prog_gcc_traditional+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_pattern="Autoconf.*'x'" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +Autoconf TIOCGETP +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "$ac_pattern" >/dev/null 2>&1; then : + ac_cv_prog_gcc_traditional=yes +else + ac_cv_prog_gcc_traditional=no +fi +rm -f conftest* + + + if test $ac_cv_prog_gcc_traditional = no; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +Autoconf TCGETA +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "$ac_pattern" >/dev/null 2>&1; then : + ac_cv_prog_gcc_traditional=yes +fi +rm -f conftest* + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5 +$as_echo "$ac_cv_prog_gcc_traditional" >&6; } + if test $ac_cv_prog_gcc_traditional = yes; then + CC="$CC -traditional" + fi +fi + + +if test "$GCC" = yes; then + CFLAGS="$CFLAGS -W -Wall"; +fi + +# Checks for libraries. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for openpty in -lutil" >&5 +$as_echo_n "checking for openpty in -lutil... " >&6; } +if ${ac_cv_lib_util_openpty+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lutil $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char openpty (); +int +main () +{ +return openpty (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_util_openpty=yes +else + ac_cv_lib_util_openpty=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_openpty" >&5 +$as_echo "$ac_cv_lib_util_openpty" >&6; } +if test "x$ac_cv_lib_util_openpty" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUTIL 1 +_ACEOF + + LIBS="-lutil $LIBS" + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5 +$as_echo_n "checking for socket in -lsocket... " >&6; } +if ${ac_cv_lib_socket_socket+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsocket $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char socket (); +int +main () +{ +return socket (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_socket_socket=yes +else + ac_cv_lib_socket_socket=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5 +$as_echo "$ac_cv_lib_socket_socket" >&6; } +if test "x$ac_cv_lib_socket_socket" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBSOCKET 1 +_ACEOF + + LIBS="-lsocket $LIBS" + +fi + + +# Checks for header files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in fcntl.h sys/select.h sys/socket.h sys/time.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in sys/ioctl.h sys/resource.h pty.h termios.h util.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in libutil.h stropts.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5 +$as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; } +if ${ac_cv_header_time+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include + +int +main () +{ +if ((struct tm *) 0) +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_time=yes +else + ac_cv_header_time=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time" >&5 +$as_echo "$ac_cv_header_time" >&6; } +if test $ac_cv_header_time = yes; then + +$as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h + +fi + + +# Checks for typedefs, structures, and compiler characteristics. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 +$as_echo_n "checking for an ANSI C-conforming const... " >&6; } +if ${ac_cv_c_const+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +#ifndef __cplusplus + /* Ultrix mips cc rejects this sort of thing. */ + typedef int charset[2]; + const charset cs = { 0, 0 }; + /* SunOS 4.1.1 cc rejects this. */ + char const *const *pcpcc; + char **ppc; + /* NEC SVR4.0.2 mips cc rejects this. */ + struct point {int x, y;}; + static struct point const zero = {0,0}; + /* AIX XL C 1.02.0.0 rejects this. + It does not let you subtract one const X* pointer from another in + an arm of an if-expression whose if-part is not a constant + expression */ + const char *g = "string"; + pcpcc = &g + (g ? g-g : 0); + /* HPUX 7.0 cc rejects these. */ + ++pcpcc; + ppc = (char**) pcpcc; + pcpcc = (char const *const *) ppc; + { /* SCO 3.2v4 cc rejects this sort of thing. */ + char tx; + char *t = &tx; + char const *s = 0 ? (char *) 0 : (char const *) 0; + + *t++ = 0; + if (s) return 0; + } + { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ + int x[] = {25, 17}; + const int *foo = &x[0]; + ++foo; + } + { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ + typedef const int *iptr; + iptr p = 0; + ++p; + } + { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying + "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ + struct s { int j; const int *ap[3]; } bx; + struct s *b = &bx; b->j = 5; + } + { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ + const int foo = 10; + if (!foo) return 0; + } + return !cs[0] && !zero.x; +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_const=yes +else + ac_cv_c_const=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5 +$as_echo "$ac_cv_c_const" >&6; } +if test $ac_cv_c_const = no; then + +$as_echo "#define const /**/" >>confdefs.h + +fi + +ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default" +if test "x$ac_cv_type_pid_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define pid_t int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "$ac_includes_default" +if test "x$ac_cv_type_ssize_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define ssize_t int +_ACEOF + +fi + + +# Checks for library functions. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5 +$as_echo_n "checking return type of signal handlers... " >&6; } +if ${ac_cv_type_signal+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include + +int +main () +{ +return *(signal (0, 0)) (0) == 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_type_signal=int +else + ac_cv_type_signal=void +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_signal" >&5 +$as_echo "$ac_cv_type_signal" >&6; } + +cat >>confdefs.h <<_ACEOF +#define RETSIGTYPE $ac_cv_type_signal +_ACEOF + + +for ac_func in atexit dup2 memset +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in select socket strerror +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in openpty forkpty ptsname grantpt unlockpt +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. 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Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. 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Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. 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Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... 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"$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? 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"could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? 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This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS " +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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"could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +$as_echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 + fi + ;; + + + esac + +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..bef44f5 --- /dev/null +++ b/configure.ac @@ -0,0 +1,37 @@ +# Process this file with autoconf to produce a configure script. +AC_INIT(dtach, 0.9, crigler@users.sourceforge.net) +AC_PREREQ(2.60) +AC_CONFIG_SRCDIR(main.c) +AC_CONFIG_HEADER(config.h) + +# Checks for programs. +AC_PROG_CC +AC_PROG_GCC_TRADITIONAL + +if test "$GCC" = yes; then + CFLAGS="$CFLAGS -W -Wall"; +fi + +# Checks for libraries. +AC_CHECK_LIB(util, openpty) +AC_CHECK_LIB(socket, socket) + +# Checks for header files. +AC_CHECK_HEADERS(fcntl.h sys/select.h sys/socket.h sys/time.h) +AC_CHECK_HEADERS(sys/ioctl.h sys/resource.h pty.h termios.h util.h) +AC_CHECK_HEADERS(libutil.h stropts.h) +AC_HEADER_TIME + +# Checks for typedefs, structures, and compiler characteristics. +AC_C_CONST +AC_TYPE_PID_T +AC_TYPE_SSIZE_T + +# Checks for library functions. +AC_TYPE_SIGNAL +AC_CHECK_FUNCS(atexit dup2 memset) +AC_CHECK_FUNCS(select socket strerror) +AC_CHECK_FUNCS(openpty forkpty ptsname grantpt unlockpt) + +AC_CONFIG_FILES(Makefile) +AC_OUTPUT diff --git a/dtach.1 b/dtach.1 new file mode 100644 index 0000000..b526073 --- /dev/null +++ b/dtach.1 @@ -0,0 +1,216 @@ +.TH dtach 1 "May 2016" "dtach 0.9" +.SH NAME +dtach \- simple program that emulates the detach feature of screen. +.SH SYNOPSIS +.B dtach \-a +.I +.br +.B dtach \-A +.I +.br +.B dtach \-c +.I +.br +.B dtach \-n +.I +.br +.B dtach \-N +.I +.br +.B dtach \-p +.I + +.SH DESCRIPTION +.B dtach +is a program that emulates the detach feature of screen. It is designed +to be transparent and un-intrusive; it avoids interpreting the input and output +between attached terminals and the program under its control. Consequently, it +works best with full-screen applications such as emacs. + +.B dtach +is intended for users who want the detach feature of screen without the other +overhead of screen. It is tiny, does not use many libraries, and stays +out of the way as much as possible. + +.SS SESSIONS +A session in +.B dtach +is a single instance in which a program is running under the control of +.BR dtach . +The program is disassociated from the original terminal, and is thus protected +from your original terminal being disconnected for some reason. +.PP + +Other instances of +.B dtach +can attach themselves to a particular session. Input and output is copied +between the program running in the +.B dtach +session, and the attached terminals. +.PP + +.B dtach +avoids interpreting the communication stream between the program and the +attached terminals; it instead relies on the ability of the attached terminals +to manage the screen. +.PP + +Sessions are represented by Unix-domain sockets in the filesystem. No other +permission checking other than the filesystem access checks is performed. +.B dtach +creates a master process that monitors the session socket, the program, and any +attached terminals. + +.PP +.SS MODES +.B dtach +has several modes of operation. It can create a new session in which a +program is executed, or it can attach to an existing session. The first +argument specifies which mode +.B dtach +should operate in. +.TP +.B \-a +Attach to an existing session. +.B dtach +attaches itself to the session specified by +.IR . +After the attach is completed, the window size of the current terminal is sent +to the master process, and a redraw is also requested. +.TP +.B \-A +Attach to an existing session, or create a new one. +.B dtach +first tries to attach to the session specified by +.I +if possible. If the attempt to open the socket fails, +.B dtach +tries to create a new session before attaching to it. +.TP +.B \-c +Creates a new session. A new session is created in which the specified program +is executed. +.B dtach +then tries to attach itself to the newly created session. +.TP +.B \-n +Creates a new session, without attaching to it. A new session is created in +which the specified program is executed. +.B dtach +does not try to attach to the newly created session, however, and exits +instead. +.TP +.B \-N +Creates a new session, without attaching to it or daemonizing. A new session is +created in which the specified program is executed. +.B dtach +does not try to attach to the newly created session, however, and will stay +in the foreground until the program exits. +.TP +.B \-p +Copies the contents of standard input to a session. +.B dtach +connects to the session specified by +.IR , +copies the contents of standard input to the session, and then exits. dtach +will not scan the input for a detach character. + +.PP +.SS OPTIONS +.B dtach +has a few options that allow you to modify its behavior. Each attaching +process can have separate settings for these options, which allows for +some flexibility. + +.TP +.BI "\-e " "" +Sets the detach character to +.IR . +When the detach character is pressed, +.B dtach +detaches itself from the current session and exits. The process running in +the session is unaffected by the detach. By default, the detach character is +set to ^\e (Ctrl-\e). + +.TP +.B \-E +Disables the detach character. +.B dtach +does not try to scan input from the terminal for a detach character. The only +way to detach from the session is then by sending the attaching process an +appropriate signal. + +.TP +.BI "\-r " "" +Sets the redraw method to +.IR . +The valid methods are +.IR none , +.IR ctrl_l , +or +.IR winch . + +.I none +disables redrawing completely, +.I ctrl_l +sends a Ctrl L character to the program if the terminal is in +character-at-a-time and no-echo mode, and +.I winch +forces a WINCH signal to be sent to the program. + +When creating a new session, the specified method is used as the default +redraw method for the session. If not specified, the +.I ctrl_l +method is used. + +.TP +.B \-z +Disables processing of the suspend key. +Normally, +.B dtach +will suspend itself when the suspend key is pressed. With this option, the +suspend character is sent to the session instead of being handled by +.BR dtach . + +.PP +.SH EXAMPLES + +The following example creates a new session that has the detach character +and suspend processing disabled. A socket is created in the /tmp directory +for the session. + +.nf + $ dtach \-c /tmp/foozle \-Ez bash +.fi + +The following example attaches to the /tmp/foozle session if it exists, and if +not, creates a new session using /tmp/foozle as the socket for the session. +Processing of the suspend character is also disabled for the attach instance. + +.nf + $ dtach \-A /tmp/foozle \-z bash +.fi + +The following example attaches to the /tmp/foozle session, using the +.I winch +redraw method to redraw the screen. + +.nf + $ dtach \-a /tmp/foozle \-r winch +.fi + +The following example creates a new session and sets the default redraw method +for the session to the +.I winch +redraw method. + +.nf + $ dtach \-c /tmp/foozle \-r winch bash +.fi + +.PP +.SH AUTHOR +Ned T. Crigler . + +.SH "SEE ALSO" +.BR screen "(1)" diff --git a/dtach.h b/dtach.h new file mode 100644 index 0000000..c4d39cb --- /dev/null +++ b/dtach.h @@ -0,0 +1,136 @@ +/* + dtach - A simple program that emulates the detach feature of screen. + Copyright (C) 2001, 2004-2016 Ned T. Crigler + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ +#ifndef dtach_h +#define dtach_h + +#include + +#include +#include +#include +#include +#include +#include + +#if TIME_WITH_SYS_TIME +#include +#include +#else +#if HAVE_SYS_TIME_H +#include +#else +#include +#endif +#endif + +#ifdef HAVE_PTY_H +#include +#endif + +#ifdef HAVE_UTIL_H +#include +#endif + +#ifdef HAVE_LIBUTIL_H +#include +#endif + +#ifdef HAVE_STROPTS_H +#include +#endif + +#ifdef HAVE_UNISTD_H +#include +#endif + +#ifdef HAVE_SYS_IOCTL_H +#include +#endif + +#ifdef HAVE_SYS_RESOURCE_H +#include +#endif + +#include +#include +#include +#include +#include + +#ifndef S_ISREG +#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) +#endif + +#ifndef S_ISSOCK +#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) +#endif + +extern char *progname, *sockname; +extern int detach_char, no_suspend, redraw_method; +extern struct termios orig_term; +extern int dont_have_tty; + +enum +{ + MSG_PUSH = 0, + MSG_ATTACH = 1, + MSG_DETACH = 2, + MSG_WINCH = 3, + MSG_REDRAW = 4, +}; + +enum +{ + REDRAW_UNSPEC = 0, + REDRAW_NONE = 1, + REDRAW_CTRL_L = 2, + REDRAW_WINCH = 3, +}; + +/* The client to master protocol. */ +struct packet +{ + unsigned char type; + unsigned char len; + union + { + unsigned char buf[sizeof(struct winsize)]; + struct winsize ws; + } u; +}; + +/* +** The master sends a simple stream of text to the attaching clients, without +** any protocol. This might change back to the packet based protocol in the +** future. In the meantime, however, we minimize the amount of data sent back +** and forth between the client and the master. BUFSIZE is the size of the +** buffer used for the text stream. +*/ +#define BUFSIZE 4096 + +/* This hopefully moves to the bottom of the screen */ +#define EOS "\033[999H" + +int attach_main(int noerror); +int master_main(char **argv, int waitattach, int dontfork); +int push_main(void); + +#ifdef sun +#define BROKEN_MASTER +#endif +#endif diff --git a/dtach.spec b/dtach.spec new file mode 100644 index 0000000..1aa8fe1 --- /dev/null +++ b/dtach.spec @@ -0,0 +1,108 @@ +Summary: A simple program that emulates the detach feature of screen. +Name: dtach +Version: 0.9 +Release: 1 +License: GPL +URL: http://dtach.sourceforge.net +Group: Applications/System +Source: http://prdownloads.sourceforge.net/dtach/dtach-%{version}.tar.gz +Buildroot: %{_tmppath}/%{name}-%{version}-root + +%description + +dtach is a program that emulates the detach feature of screen, with +less overhead. It is designed to be transparent and un-intrusive; it +avoids interpreting the input and output between attached terminals +and the program under its control. Consequently, it works best with +full-screen applications such as emacs. + +%prep +%setup + +%build +%configure +make + +%install +rm -rf $RPM_BUILD_ROOT/* +mkdir -p $RPM_BUILD_ROOT/%{_bindir} +mkdir -p $RPM_BUILD_ROOT/usr/share/doc/dtach-%{version} +mkdir -p $RPM_BUILD_ROOT/%{_mandir}/man1 +install -m 755 dtach $RPM_BUILD_ROOT/%{_bindir}/dtach +install -m 644 dtach.1 $RPM_BUILD_ROOT/%{_mandir}/man1/dtach.1 + +%clean +make clean +rm -rf $RPM_BUILD_ROOT +rm -rf $RPM_BUILD_DIR/%{name}-%{version} + +%files +%defattr(-,root,root,-) +%doc COPYING README +%{_bindir}/dtach +%{_mandir}/*/* + +%changelog +* Sun May 8 2016 Ned T. Crigler 0.9 +- New release + +* Wed Jan 30 2008 Ned T. Crigler 0.8 +- New release + +* Sat Jul 3 2004 Ned T. Crigler 0.7 +- New release + +* Fri Nov 30 2001 Ned T. Crigler 0.5 +- Fix fd leakage. +- Prevent atexit from being called twice on dtach -A. + +* Fri Nov 30 2001 Trond Eivind Glomsrød 0.4-1 +- s/Copyright/License/ +- Minor description change +- fix use of %%doc +- Add full location of source tarball + +* Sat Nov 03 2001 Ned T. Crigler 0.4 +- Portability updates thanks to sourceforge's compile farm. dtach should now + work on: FreeBSD, Debian/alpha, Debian/PPC, Debian/sparc, Debian/PPC, and + Solaris. + +* Thu Sep 27 2001 Ned T. Crigler +- Modified spec file URL: to point to http://dtach.sourceforge.net + +* Wed Sep 26 2001 Ned T. Crigler 0.3 +- Use getrlimit and dynamically allocate the data structures, if possible. +- Added some more autoconf checks. +- Initial sourceforge release. + +* Thu Sep 20 2001 Ned T. Crigler +- Changed the master to send a stream of text to attaching clients instead + of sending a huge packet all the time. +- Decreased the client <-> master packet size. +- Changed the attach code so that it tells the master when a suspend occurs. + +* Tue Sep 18 2001 Ned T. Crigler +- Fixed a typo in dtach.1 + +* Tue Sep 18 2001 Ned T. Crigler 0.2 +- Removed silly thinko regarding terminal settings in attach, we + always set the terminal to raw mode now. +- Moved redraw code into the master, which tries to be smarter when + using ^L. +- Moved the code that obtains the current terminal settings into main, + preventing a race condition between the master and attach processes. +- Rewrote argument parsing code. +- Changed name to dtach. +- Added a man page. + +* Mon Sep 17 2001 Ned T. Crigler +- Changed fchmod to chmod in create_socket. + +* Mon Sep 17 2001 Isaiah Weiner +- Modified spec file to correct detach binary permissions +- Modified spec file to correct detach documentation path +- Modified spec file URL: to point to http://people.redhat.com/iweiner/detach +- Modified spec file %clean to remove buildroot and builddir. + +* Mon Sep 17 2001 Ned T. Crigler 0.1 +- Initial rpm release. diff --git a/main.c b/main.c new file mode 100644 index 0000000..9fe78b8 --- /dev/null +++ b/main.c @@ -0,0 +1,283 @@ +/* + dtach - A simple program that emulates the detach feature of screen. + Copyright (C) 2004-2016 Ned T. Crigler + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ +#include "dtach.h" + +/* +** dtach is a quick hack, since I wanted the detach feature of screen without +** all the other crud. It'll work best with full-screen applications, as it +** does not keep track of the screen or anything like that. +*/ + +/* Make sure the binary has a copyright. */ +const char copyright[] = "dtach - version " PACKAGE_VERSION "(C)Copyright 2004-2016 Ned T. Crigler"; + +/* argv[0] from the program */ +char *progname; +/* The name of the passed in socket. */ +char *sockname; +/* The character used for detaching. Defaults to '^\' */ +int detach_char = '\\' - 64; +/* 1 if we should not interpret the suspend character. */ +int no_suspend; +/* The default redraw method. Initially set to unspecified. */ +int redraw_method = REDRAW_UNSPEC; + +/* +** The original terminal settings. Shared between the master and attach +** processes. The master uses it to initialize the pty, and the attacher uses +** it to restore the original settings. +*/ +struct termios orig_term; +int dont_have_tty; + +static void +usage() +{ + printf( + "dtach - version %s, compiled on %s at %s.\n" + "Usage: dtach -a \n" + " dtach -A \n" + " dtach -c \n" + " dtach -n \n" + " dtach -N \n" + " dtach -p \n" + "Modes:\n" + " -a\t\tAttach to the specified socket.\n" + " -A\t\tAttach to the specified socket, or create it if it\n" + "\t\t does not exist, running the specified command.\n" + " -c\t\tCreate a new socket and run the specified command.\n" + " -n\t\tCreate a new socket and run the specified command " + "detached.\n" + " -N\t\tCreate a new socket and run the specified command " + "detached,\n" + "\t\t and have dtach run in the foreground.\n" + " -p\t\tCopy the contents of standard input to the specified\n" + "\t\t socket.\n" + "Options:\n" + " -e \tSet the detach character to , defaults " + "to ^\\.\n" + " -E\t\tDisable the detach character.\n" + " -r \tSet the redraw method to . The " + "valid methods are:\n" + "\t\t none: Don't redraw at all.\n" + "\t\t ctrl_l: Send a Ctrl L character to the program.\n" + "\t\t winch: Send a WINCH signal to the program.\n" + " -z\t\tDisable processing of the suspend key.\n" + "\nReport any bugs to <" PACKAGE_BUGREPORT ">.\n", + PACKAGE_VERSION, __DATE__, __TIME__); + exit(0); +} + +int +main(int argc, char **argv) +{ + int mode = 0; + + /* Save the program name */ + progname = argv[0]; + ++argv; --argc; + + /* Parse the arguments */ + if (argc >= 1 && **argv == '-') + { + if (strncmp(*argv, "--help", strlen(*argv)) == 0) + usage(); + else if (strncmp(*argv, "--version", strlen(*argv)) == 0) + { + printf("dtach - version %s, compiled on %s at %s.\n", + PACKAGE_VERSION, __DATE__, __TIME__); + return 0; + } + + mode = argv[0][1]; + if (mode == '?') + usage(); + else if (mode != 'a' && mode != 'c' && mode != 'n' && + mode != 'A' && mode != 'N' && mode != 'p') + { + printf("%s: Invalid mode '-%c'\n", progname, mode); + printf("Try '%s --help' for more information.\n", + progname); + return 1; + } + } + if (!mode) + { + printf("%s: No mode was specified.\n", progname); + printf("Try '%s --help' for more information.\n", + progname); + return 1; + } + ++argv; --argc; + + if (argc < 1) + { + printf("%s: No socket was specified.\n", progname); + printf("Try '%s --help' for more information.\n", + progname); + return 1; + } + sockname = *argv; + ++argv; --argc; + + if (mode == 'p') + { + if (argc > 0) + { + printf("%s: Invalid number of arguments.\n", + progname); + printf("Try '%s --help' for more information.\n", + progname); + return 1; + } + return push_main(); + } + + while (argc >= 1 && **argv == '-') + { + char *p; + + for (p = argv[0] + 1; *p; ++p) + { + if (*p == 'E') + detach_char = -1; + else if (*p == 'z') + no_suspend = 1; + else if (*p == 'e') + { + ++argv; --argc; + if (argc < 1) + { + printf("%s: No escape character " + "specified.\n", progname); + printf("Try '%s --help' for more " + "information.\n", progname); + return 1; + } + if (argv[0][0] == '^' && argv[0][1]) + { + if (argv[0][1] == '?') + detach_char = '\177'; + else + detach_char = argv[0][1] & 037; + } + else + detach_char = argv[0][0]; + break; + } + else if (*p == 'r') + { + ++argv; --argc; + if (argc < 1) + { + printf("%s: No redraw method " + "specified.\n", progname); + printf("Try '%s --help' for more " + "information.\n", progname); + return 1; + } + if (strcmp(argv[0], "none") == 0) + redraw_method = REDRAW_NONE; + else if (strcmp(argv[0], "ctrl_l") == 0) + redraw_method = REDRAW_CTRL_L; + else if (strcmp(argv[0], "winch") == 0) + redraw_method = REDRAW_WINCH; + else + { + printf("%s: Invalid redraw method " + "specified.\n", progname); + printf("Try '%s --help' for more " + "information.\n", progname); + return 1; + } + break; + } + else + { + printf("%s: Invalid option '-%c'\n", + progname, *p); + printf("Try '%s --help' for more information.\n", + progname); + return 1; + } + } + ++argv; --argc; + } + + if (mode != 'a' && argc < 1) + { + printf("%s: No command was specified.\n", progname); + printf("Try '%s --help' for more information.\n", + progname); + return 1; + } + + /* Save the original terminal settings. */ + if (tcgetattr(0, &orig_term) < 0) + { + memset(&orig_term, 0, sizeof(struct termios)); + dont_have_tty = 1; + } + + if (dont_have_tty && mode != 'n' && mode != 'N') + { + printf("%s: Attaching to a session requires a terminal.\n", + progname); + return 1; + } + + if (mode == 'a') + { + if (argc > 0) + { + printf("%s: Invalid number of arguments.\n", + progname); + printf("Try '%s --help' for more information.\n", + progname); + return 1; + } + return attach_main(0); + } + else if (mode == 'n') + return master_main(argv, 0, 0); + else if (mode == 'N') + return master_main(argv, 0, 1); + else if (mode == 'c') + { + if (master_main(argv, 1, 0) != 0) + return 1; + return attach_main(0); + } + else if (mode == 'A') + { + /* Try to attach first. If that doesn't work, create a new + ** socket. */ + if (attach_main(1) != 0) + { + if (errno == ECONNREFUSED || errno == ENOENT) + { + if (errno == ECONNREFUSED) + unlink(sockname); + if (master_main(argv, 1, 0) != 0) + return 1; + } + return attach_main(0); + } + } + return 0; +} diff --git a/master.c b/master.c new file mode 100644 index 0000000..5c053e0 --- /dev/null +++ b/master.c @@ -0,0 +1,799 @@ +/* + dtach - A simple program that emulates the detach feature of screen. + Copyright (C) 2004-2016 Ned T. Crigler + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ +#include "dtach.h" + +/* The pty struct - The pty information is stored here. */ +struct pty +{ + /* File descriptor of the pty */ + int fd; +#ifdef BROKEN_MASTER + /* File descriptor of the slave side of the pty. For broken systems. */ + int slave; +#endif + /* Process id of the child. */ + pid_t pid; + /* The terminal parameters of the pty. Old and new for comparision + ** purposes. */ + struct termios term; + /* The current window size of the pty. */ + struct winsize ws; +}; + +/* A connected client */ +struct client +{ + /* The next client in the linked list. */ + struct client *next; + /* The previous client in the linked list. */ + struct client **pprev; + /* File descriptor of the client. */ + int fd; + /* Whether or not the client is attached. */ + int attached; +}; + +/* The list of connected clients. */ +static struct client *clients; +/* The pseudo-terminal created for the child process. */ +static struct pty the_pty; + +#ifndef HAVE_FORKPTY +pid_t forkpty(int *amaster, char *name, struct termios *termp, + struct winsize *winp); +#endif + +/* Unlink the socket */ +static void +unlink_socket(void) +{ + unlink(sockname); +} + +/* Signal */ +static RETSIGTYPE +die(int sig) +{ + /* Well, the child died. */ + if (sig == SIGCHLD) + { +#ifdef BROKEN_MASTER + /* Damn you Solaris! */ + close(the_pty.fd); +#endif + return; + } + exit(1); +} + +/* Sets a file descriptor to non-blocking mode. */ +static int +setnonblocking(int fd) +{ + int flags; + +#if defined(O_NONBLOCK) + flags = fcntl(fd, F_GETFL); + if (flags < 0 || fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0) + return -1; + return 0; +#elif defined(FIONBIO) + flags = 1; + if (ioctl(fd, FIONBIO, &flags) < 0) + return -1; + return 0; +#else +#warning Do not know how to set non-blocking mode. + return 0; +#endif +} + +/* Initialize the pty structure. */ +static int +init_pty(char **argv, int statusfd) +{ + /* Use the original terminal's settings. We don't have to set the + ** window size here, because the attacher will send it in a packet. */ + the_pty.term = orig_term; + memset(&the_pty.ws, 0, sizeof(struct winsize)); + + /* Create the pty process */ + if (!dont_have_tty) + the_pty.pid = forkpty(&the_pty.fd, NULL, &the_pty.term, NULL); + else + the_pty.pid = forkpty(&the_pty.fd, NULL, NULL, NULL); + if (the_pty.pid < 0) + return -1; + else if (the_pty.pid == 0) + { + /* Child.. Execute the program. */ + execvp(*argv, argv); + + /* Report the error to statusfd if we can, or stdout if we + ** can't. */ + if (statusfd != -1) + dup2(statusfd, 1); + else + printf(EOS "\r\n"); + + printf("%s: could not execute %s: %s\r\n", progname, + *argv, strerror(errno)); + fflush(stdout); + _exit(127); + } + /* Parent.. Finish up and return */ +#ifdef BROKEN_MASTER + { + char *buf; + + buf = ptsname(the_pty.fd); + the_pty.slave = open(buf, O_RDWR|O_NOCTTY); + } +#endif + return 0; +} + +/* Send a signal to the slave side of a pseudo-terminal. */ +static void +killpty(struct pty *pty, int sig) +{ + pid_t pgrp = -1; + +#ifdef TIOCSIGNAL + if (ioctl(pty->fd, TIOCSIGNAL, sig) >= 0) + return; +#endif +#ifdef TIOCSIG + if (ioctl(pty->fd, TIOCSIG, sig) >= 0) + return; +#endif +#ifdef TIOCGPGRP +#ifdef BROKEN_MASTER + if (ioctl(pty->slave, TIOCGPGRP, &pgrp) >= 0 && pgrp != -1 && + kill(-pgrp, sig) >= 0) + return; +#endif + if (ioctl(pty->fd, TIOCGPGRP, &pgrp) >= 0 && pgrp != -1 && + kill(-pgrp, sig) >= 0) + return; +#endif + + /* Fallback using the child's pid. */ + kill(-pty->pid, sig); +} + +/* Creates a new unix domain socket. */ +static int +create_socket(char *name) +{ + int s; + struct sockaddr_un sockun; + + if (strlen(name) > sizeof(sockun.sun_path) - 1) + { + errno = ENAMETOOLONG; + return -1; + } + + s = socket(PF_UNIX, SOCK_STREAM, 0); + if (s < 0) + return -1; + sockun.sun_family = AF_UNIX; + strcpy(sockun.sun_path, name); + if (bind(s, (struct sockaddr*)&sockun, sizeof(sockun)) < 0) + { + close(s); + return -1; + } + if (listen(s, 128) < 0) + { + close(s); + return -1; + } + if (setnonblocking(s) < 0) + { + close(s); + return -1; + } + /* chmod it to prevent any suprises */ + if (chmod(name, 0600) < 0) + { + close(s); + return -1; + } + return s; +} + +/* Update the modes on the socket. */ +static void +update_socket_modes(int exec) +{ + struct stat st; + mode_t newmode; + + if (stat(sockname, &st) < 0) + return; + + if (exec) + newmode = st.st_mode | S_IXUSR; + else + newmode = st.st_mode & ~S_IXUSR; + + if (st.st_mode != newmode) + chmod(sockname, newmode); +} + +/* Process activity on the pty - Input and terminal changes are sent out to +** the attached clients. If the pty goes away, we die. */ +static void +pty_activity(int s) +{ + unsigned char buf[BUFSIZE]; + ssize_t len; + struct client *p; + fd_set readfds, writefds; + int highest_fd, nclients; + + /* Read the pty activity */ + len = read(the_pty.fd, buf, sizeof(buf)); + + /* Error -> die */ + if (len <= 0) + exit(1); + +#ifdef BROKEN_MASTER + /* Get the current terminal settings. */ + if (tcgetattr(the_pty.slave, &the_pty.term) < 0) + exit(1); +#else + /* Get the current terminal settings. */ + if (tcgetattr(the_pty.fd, &the_pty.term) < 0) + exit(1); +#endif + +top: + /* + ** Wait until at least one client is writable. Also wait on the control + ** socket in case a new client tries to connect. + */ + FD_ZERO(&readfds); + FD_ZERO(&writefds); + FD_SET(s, &readfds); + highest_fd = s; + for (p = clients, nclients = 0; p; p = p->next) + { + if (!p->attached) + continue; + FD_SET(p->fd, &writefds); + if (p->fd > highest_fd) + highest_fd = p->fd; + nclients++; + } + if (nclients == 0) + return; + if (select(highest_fd + 1, &readfds, &writefds, NULL, NULL) < 0) + return; + + /* Send the data out to the clients. */ + for (p = clients, nclients = 0; p; p = p->next) + { + ssize_t written; + + if (!FD_ISSET(p->fd, &writefds)) + continue; + + written = 0; + while (written < len) + { + ssize_t n = write(p->fd, buf + written, len - written); + + if (n > 0) + { + written += n; + continue; + } + else if (n < 0 && errno == EINTR) + continue; + else if (n < 0 && errno != EAGAIN) + nclients = -1; + break; + } + if (nclients != -1 && written == len) + nclients++; + } + + /* Try again if nothing happened. */ + if (!FD_ISSET(s, &readfds) && nclients == 0) + goto top; +} + +/* Process activity on the control socket */ +static void +control_activity(int s) +{ + int fd; + struct client *p; + + /* Accept the new client and link it in. */ + fd = accept(s, NULL, NULL); + if (fd < 0) + return; + else if (setnonblocking(fd) < 0) + { + close(fd); + return; + } + + /* Link it in. */ + p = malloc(sizeof(struct client)); + p->fd = fd; + p->attached = 0; + p->pprev = &clients; + p->next = *(p->pprev); + if (p->next) + p->next->pprev = &p->next; + *(p->pprev) = p; +} + +/* Process activity from a client. */ +static void +client_activity(struct client *p) +{ + ssize_t len; + struct packet pkt; + + /* Read the activity. */ + len = read(p->fd, &pkt, sizeof(struct packet)); + if (len < 0 && (errno == EAGAIN || errno == EINTR)) + return; + + /* Close the client on an error. */ + if (len <= 0) + { + close(p->fd); + if (p->next) + p->next->pprev = p->pprev; + *(p->pprev) = p->next; + free(p); + return; + } + + /* Push out data to the program. */ + if (pkt.type == MSG_PUSH) + { + if (pkt.len <= sizeof(pkt.u.buf)) + write(the_pty.fd, pkt.u.buf, pkt.len); + } + + /* Attach or detach from the program. */ + else if (pkt.type == MSG_ATTACH) + p->attached = 1; + else if (pkt.type == MSG_DETACH) + p->attached = 0; + + /* Window size change request, without a forced redraw. */ + else if (pkt.type == MSG_WINCH) + { + the_pty.ws = pkt.u.ws; + ioctl(the_pty.fd, TIOCSWINSZ, &the_pty.ws); + } + + /* Force a redraw using a particular method. */ + else if (pkt.type == MSG_REDRAW) + { + int method = pkt.len; + + /* If the client didn't specify a particular method, use + ** whatever we had on startup. */ + if (method == REDRAW_UNSPEC) + method = redraw_method; + if (method == REDRAW_NONE) + return; + + /* Set the window size. */ + the_pty.ws = pkt.u.ws; + ioctl(the_pty.fd, TIOCSWINSZ, &the_pty.ws); + + /* Send a ^L character if the terminal is in no-echo and + ** character-at-a-time mode. */ + if (method == REDRAW_CTRL_L) + { + char c = '\f'; + + if (((the_pty.term.c_lflag & (ECHO|ICANON)) == 0) && + (the_pty.term.c_cc[VMIN] == 1)) + { + write(the_pty.fd, &c, 1); + } + } + /* Send a WINCH signal to the program. */ + else if (method == REDRAW_WINCH) + { + killpty(&the_pty, SIGWINCH); + } + } +} + +/* The master process - It watches over the pty process and the attached */ +/* clients. */ +static void +master_process(int s, char **argv, int waitattach, int statusfd) +{ + struct client *p, *next; + fd_set readfds; + int highest_fd; + int nullfd; + + int has_attached_client = 0; + + /* Okay, disassociate ourselves from the original terminal, as we + ** don't care what happens to it. */ + setsid(); + + /* Set a trap to unlink the socket when we die. */ + atexit(unlink_socket); + + /* Create a pty in which the process is running. */ + signal(SIGCHLD, die); + if (init_pty(argv, statusfd) < 0) + { + if (statusfd != -1) + dup2(statusfd, 1); + if (errno == ENOENT) + printf("%s: Could not find a pty.\n", progname); + else + printf("%s: init_pty: %s\n", progname, strerror(errno)); + exit(1); + } + + /* Set up some signals. */ + signal(SIGPIPE, SIG_IGN); + signal(SIGXFSZ, SIG_IGN); + signal(SIGHUP, SIG_IGN); + signal(SIGTTIN, SIG_IGN); + signal(SIGTTOU, SIG_IGN); + signal(SIGINT, die); + signal(SIGTERM, die); + + /* Close statusfd, since we don't need it anymore. */ + if (statusfd != -1) + close(statusfd); + + /* Make sure stdin/stdout/stderr point to /dev/null. We are now a + ** daemon. */ + nullfd = open("/dev/null", O_RDWR); + dup2(nullfd, 0); + dup2(nullfd, 1); + dup2(nullfd, 2); + if (nullfd > 2) + close(nullfd); + + /* Loop forever. */ + while (1) + { + int new_has_attached_client = 0; + + /* Re-initialize the file descriptor set for select. */ + FD_ZERO(&readfds); + FD_SET(s, &readfds); + highest_fd = s; + + /* + ** When waitattach is set, wait until the client attaches + ** before trying to read from the pty. + */ + if (waitattach) + { + if (clients && clients->attached) + waitattach = 0; + } + else + { + FD_SET(the_pty.fd, &readfds); + if (the_pty.fd > highest_fd) + highest_fd = the_pty.fd; + } + + for (p = clients; p; p = p->next) + { + FD_SET(p->fd, &readfds); + if (p->fd > highest_fd) + highest_fd = p->fd; + + if (p->attached) + new_has_attached_client = 1; + } + + /* chmod the socket if necessary. */ + if (has_attached_client != new_has_attached_client) + { + update_socket_modes(new_has_attached_client); + has_attached_client = new_has_attached_client; + } + + /* Wait for something to happen. */ + if (select(highest_fd + 1, &readfds, NULL, NULL, NULL) < 0) + { + if (errno == EINTR || errno == EAGAIN) + continue; + exit(1); + } + + /* New client? */ + if (FD_ISSET(s, &readfds)) + control_activity(s); + /* Activity on a client? */ + for (p = clients; p; p = next) + { + next = p->next; + if (FD_ISSET(p->fd, &readfds)) + client_activity(p); + } + /* pty activity? */ + if (FD_ISSET(the_pty.fd, &readfds)) + pty_activity(s); + } +} + +int +master_main(char **argv, int waitattach, int dontfork) +{ + int fd[2] = {-1, -1}; + int s; + pid_t pid; + + /* Use a default redraw method if one hasn't been specified yet. */ + if (redraw_method == REDRAW_UNSPEC) + redraw_method = REDRAW_CTRL_L; + + /* Create the unix domain socket. */ + s = create_socket(sockname); + if (s < 0 && errno == ENAMETOOLONG) + { + char *slash = strrchr(sockname, '/'); + + /* Try to shorten the socket's path name by using chdir. */ + if (slash) + { + int dirfd = open(".", O_RDONLY); + + if (dirfd >= 0) + { + *slash = '\0'; + if (chdir(sockname) >= 0) + { + s = create_socket(slash + 1); + fchdir(dirfd); + } + *slash = '/'; + close(dirfd); + } + } + } + if (s < 0) + { + printf("%s: %s: %s\n", progname, sockname, strerror(errno)); + return 1; + } + +#if defined(F_SETFD) && defined(FD_CLOEXEC) + fcntl(s, F_SETFD, FD_CLOEXEC); + + /* If FD_CLOEXEC works, create a pipe and use it to report any errors + ** that occur while trying to execute the program. */ + if (dontfork) + { + fd[1] = dup(2); + if (fcntl(fd[1], F_SETFD, FD_CLOEXEC) < 0) + { + close(fd[1]); + fd[1] = -1; + } + } + else if (pipe(fd) >= 0) + { + if (fcntl(fd[0], F_SETFD, FD_CLOEXEC) < 0 || + fcntl(fd[1], F_SETFD, FD_CLOEXEC) < 0) + { + close(fd[0]); + close(fd[1]); + fd[0] = fd[1] = -1; + } + } +#endif + + if (dontfork) + { + master_process(s, argv, waitattach, fd[1]); + return 0; + } + + /* Fork off so we can daemonize and such */ + pid = fork(); + if (pid < 0) + { + printf("%s: fork: %s\n", progname, strerror(errno)); + unlink_socket(); + return 1; + } + else if (pid == 0) + { + /* Child - this becomes the master */ + if (fd[0] != -1) + close(fd[0]); + master_process(s, argv, waitattach, fd[1]); + return 0; + } + /* Parent - just return. */ + +#if defined(F_SETFD) && defined(FD_CLOEXEC) + /* Check if an error occurred while trying to execute the program. */ + if (fd[0] != -1) + { + char buf[1024]; + ssize_t len; + + close(fd[1]); + len = read(fd[0], buf, sizeof(buf)); + if (len > 0) + { + write(2, buf, len); + kill(pid, SIGTERM); + return 1; + } + close(fd[0]); + } +#endif + close(s); + return 0; +} + +/* BSDish functions for systems that don't have them. */ +#ifndef HAVE_OPENPTY +#define HAVE_OPENPTY +/* openpty: Use /dev/ptmx and Unix98 if we have it. */ +#if defined(HAVE_PTSNAME) && defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) +int +openpty(int *amaster, int *aslave, char *name, struct termios *termp, + struct winsize *winp) +{ + int master, slave; + char *buf; + +#ifdef _AIX + master = open("/dev/ptc", O_RDWR|O_NOCTTY); + if (master < 0) + return -1; + buf = ttyname(master); + if (!buf) + return -1; + + slave = open(buf, O_RDWR|O_NOCTTY); + if (slave < 0) + return -1; +#else + master = open("/dev/ptmx", O_RDWR); + if (master < 0) + return -1; + if (grantpt(master) < 0) + return -1; + if (unlockpt(master) < 0) + return -1; + buf = ptsname(master); + if (!buf) + return -1; + + slave = open(buf, O_RDWR|O_NOCTTY); + if (slave < 0) + return -1; + +#ifdef I_PUSH + if (ioctl(slave, I_PUSH, "ptem") < 0) + return -1; + if (ioctl(slave, I_PUSH, "ldterm") < 0) + return -1; +#endif +#endif + + *amaster = master; + *aslave = slave; + if (name) + strcpy(name, buf); + if (termp) + tcsetattr(slave, TCSAFLUSH, termp); + if (winp) + ioctl(slave, TIOCSWINSZ, winp); + return 0; +} +#else +#error Do not know how to define openpty. +#endif +#endif + +#ifndef HAVE_FORKPTY +#if defined(HAVE_OPENPTY) +pid_t +forkpty(int *amaster, char *name, struct termios *termp, + struct winsize *winp) +{ + pid_t pid; + int master, slave; + + if (openpty(&master, &slave, name, termp, winp) < 0) + return -1; + *amaster = master; + + /* Fork off... */ + pid = fork(); + if (pid < 0) + return -1; + else if (pid == 0) + { + char *buf; + int fd; + + setsid(); +#ifdef TIOCSCTTY + buf = NULL; + if (ioctl(slave, TIOCSCTTY, NULL) < 0) + _exit(1); +#elif defined(_AIX) + fd = open("/dev/tty", O_RDWR|O_NOCTTY); + if (fd >= 0) + { + ioctl(fd, TIOCNOTTY, NULL); + close(fd); + } + + buf = ttyname(master); + fd = open(buf, O_RDWR); + close(fd); + + fd = open("/dev/tty", O_WRONLY); + if (fd < 0) + _exit(1); + close(fd); + + if (termp && tcsetattr(slave, TCSAFLUSH, termp) == -1) + _exit(1); + if (ioctl(slave, TIOCSWINSZ, winp) == -1) + _exit(1); +#else + buf = ptsname(master); + fd = open(buf, O_RDWR); + close(fd); +#endif + dup2(slave, 0); + dup2(slave, 1); + dup2(slave, 2); + + if (slave > 2) + close(slave); + close(master); + return 0; + } + else + { + close(slave); + return pid; + } +} +#else +#error Do not know how to define forkpty. +#endif +#endif