+++ /dev/null
-dnl Process this file with autoconf to produce a configure script.
-
-m4_include([../../../config/override.m4])
-
-AC_INIT(rlfe.c)
-AC_CONFIG_HEADER(config.h)
-VERSION=0.4
-AC_SUBST(VERSION)
-
-dnl
-dnl Define some useful macros
-dnl
-AC_DEFUN([AC_PROGRAM_SOURCE],
-[AC_REQUIRE([AC_PROG_CPP])AC_PROVIDE([$0])cat > conftest.c <<EOF
-#include "confdefs.h"
-[$1]
-_CUT_HERE_
-[$2]
-EOF
-eval "$ac_cpp conftest.c 2>&5 | sed -e '1,/_CUT_HERE_/d' -e 's/ //g' > conftest.out"
-. ./conftest.out
-rm -f conftest*
-])dnl
-dnl
-define(AC_NOTE,
-[echo "$1" 1>&AC_FD_MSG
-])dnl
-
-old_CFLAGS="$CFLAGS"
-AC_PROG_CC
-AC_PROG_CPP
-AC_PROG_GCC_TRADITIONAL
-AC_ISC_POSIX
-
-AC_TRY_RUN(main(){exit(0);},,[
-if test $CC != cc ; then
-AC_NOTE(Your $CC failed - restarting with CC=cc)
-AC_NOTE()
-CC=cc
-export CC
-exec $0 $configure_args
-fi
-])
-
-AC_TRY_RUN(main(){exit(0);},,
-exec 5>&2
-eval $ac_link
-AC_NOTE(CC=$CC; CFLAGS=$CFLAGS; LIBS=$LIBS;)
-AC_NOTE($ac_compile)
-AC_MSG_ERROR(Can't run the compiler - sorry))
-
-AC_TRY_RUN([
-main()
-{
- int __something_strange_();
- __something_strange_(0);
-}
-],AC_MSG_ERROR(Your compiler does not set the exit status - sorry))
-
-AC_PROG_AWK
-
-if test -f etc/toolcheck; then
-AC_CHECKING(for buggy tools)
-sh etc/toolcheck 1>&AC_FD_MSG
-fi
-
-dnl
-dnl **** special unix variants ****
-dnl
-
-AC_CHECKING(for System V)
-AC_TRY_COMPILE(
-[#include <sys/types.h>
-#include <signal.h>
-#include <fcntl.h>], [int x = SIGCHLD | FNDELAY;], , AC_DEFINE(SYSV))
-
-AC_CHECKING(for Solaris 2.x)
-AC_EGREP_CPP(yes,
-[#if defined(SVR4) && defined(sun)
- yes
-#endif
-], LIBS="$LIBS -lsocket -lnsl -lkstat")
-
-dnl
-dnl **** select() ****
-dnl
-
-AC_CHECKING(select)
-AC_TRY_LINK(,[select(0, 0, 0, 0, 0);],,
-LIBS="$LIBS -lnet -lnsl"
-AC_CHECKING(select with $LIBS)
-AC_TRY_LINK(,[select(0, 0, 0, 0, 0);],,
-AC_MSG_ERROR(!!! no select - no screen))
-)
-dnl
-dnl **** check the select implementation ****
-dnl
-
-AC_CHECKING(select return value)
-AC_TRY_RUN([
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-char *nam = "/tmp/conftest$$";
-
-#ifdef NAMEDPIPE
-
-#ifndef O_NONBLOCK
-#define O_NONBLOCK O_NDELAY
-#endif
-#ifndef S_IFIFO
-#define S_IFIFO 0010000
-#endif
-
-
-main()
-{
-#ifdef FD_SET
- fd_set f;
-#else
- int f;
-#endif
-
-#ifdef __FreeBSD__
-/* From Andrew A. Chernov (ache@astral.msk.su):
- * opening RDWR fifo fails in BSD 4.4, but select return values are
- * right.
- */
- exit(0);
-#endif
- (void)alarm(5);
-#ifdef POSIX
- if (mkfifo(nam, 0777))
-#else
- if (mknod(nam, S_IFIFO|0777, 0))
-#endif
- exit(1);
- close(0);
- if (open(nam, O_RDWR | O_NONBLOCK))
- exit(1);
- if (write(0, "TEST", 4) == -1)
- exit(1);
-
-#else
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-
-main()
-{
- int s1, s2, l;
- struct sockaddr_un a;
-#ifdef FD_SET
- fd_set f;
-#else
- int f;
-#endif
-
- (void)alarm(5);
- if ((s1 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
- exit(1);
- a.sun_family = AF_UNIX;
- strcpy(a.sun_path, nam);
- (void) unlink(nam);
- if (bind(s1, (struct sockaddr *) &a, strlen(nam)+2) == -1)
- exit(1);
- if (listen(s1, 2))
- exit(1);
- if (fork() == 0)
- {
- if ((s2 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
- kill(getppid(), 3);
- (void)connect(s2, (struct sockaddr *)&a, strlen(nam) + 2);
- if (write(s2, "HELLO", 5) == -1)
- kill(getppid(), 3);
- exit(0);
- }
- l = sizeof(a);
- close(0);
- if (accept(s1, (struct sockaddr *)&a, &l))
- exit(1);
-#endif
-
-
-#ifdef FD_SET
- FD_SET(0, &f);
-#else
- f = 1;
-#endif
- if (select(1, &f, 0, 0, 0) == -1)
- exit(1);
- if (select(1, &f, &f, 0, 0) != 2)
- exit(1);
- exit(0);
-}
-],AC_NOTE(- select is ok),
-AC_NOTE(- select can't count) AC_DEFINE(SELECT_BROKEN))
-
-dnl
-dnl **** termcap or terminfo ****
-dnl
-AC_CHECKING(for tgetent)
-AC_TRY_LINK(,tgetent((char *)0, (char *)0);,,
-olibs="$LIBS"
-LIBS="-lcurses $olibs"
-AC_CHECKING(libcurses)
-AC_TRY_LINK(,[
-#ifdef __hpux
-__sorry_hpux_libcurses_is_totally_broken_in_10_10();
-#else
-tgetent((char *)0, (char *)0);
-#endif
-],,
-LIBS="-ltermcap $olibs"
-AC_CHECKING(libtermcap)
-AC_TRY_LINK(,tgetent((char *)0, (char *)0);,,
-LIBS="-ltermlib $olibs"
-AC_CHECKING(libtermlib)
-AC_TRY_LINK(,tgetent((char *)0, (char *)0);,,
-LIBS="-lncurses $olibs"
-AC_CHECKING(libncurses)
-AC_TRY_LINK(,tgetent((char *)0, (char *)0);,,
-AC_MSG_ERROR(!!! no tgetent - no screen))))))
-
-AC_TRY_RUN([
-extern char *tgoto();
-main()
-{
- exit(strcmp(tgoto("%p1%d", 0, 1), "1") ? 0 : 1);
-}], AC_NOTE(- you use the termcap database),
-AC_NOTE(- you use the terminfo database) AC_DEFINE(TERMINFO))
-AC_CHECKING(ospeed)
-AC_TRY_LINK(extern short ospeed;,ospeed=5;,,AC_DEFINE(NEED_OSPEED))
-
-dnl
-dnl **** PTY specific things ****
-dnl
-AC_CHECKING(for /dev/ptc)
-if test -r /dev/ptc; then
-AC_DEFINE(HAVE_DEV_PTC)
-fi
-
-AC_CHECKING(for SVR4 ptys)
-sysvr4ptys=
-if test -c /dev/ptmx ; then
-AC_TRY_LINK([],[ptsname(0);grantpt(0);unlockpt(0);],[AC_DEFINE(HAVE_SVR4_PTYS)
-sysvr4ptys=1])
-fi
-
-AC_CHECK_FUNCS(getpt)
-
-dnl check for openpty()
-if test -z "$sysvr4ptys"; then
-AC_CHECK_FUNCS(openpty,,
-[AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY)] [LIBS="$LIBS -lutil"])])
-fi
-
-AC_CHECKING(for ptyranges)
-if test -d /dev/ptym ; then
-pdir='/dev/ptym'
-else
-pdir='/dev'
-fi
-dnl SCO uses ptyp%d
-AC_EGREP_CPP(yes,
-[#ifdef M_UNIX
- yes;
-#endif
-], ptys=`echo /dev/ptyp??`, ptys=`echo $pdir/pty??`)
-dnl if test -c /dev/ptyp19; then
-dnl ptys=`echo /dev/ptyp??`
-dnl else
-dnl ptys=`echo $pdir/pty??`
-dnl fi
-if test "$ptys" != "$pdir/pty??" ; then
-p0=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\).$/\1/g' | sort -u | tr -d '\012'`
-p1=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\)$/\1/g' | sort -u | tr -d '\012'`
-AC_DEFINE_UNQUOTED(PTYRANGE0,"$p0")
-AC_DEFINE_UNQUOTED(PTYRANGE1,"$p1")
-fi
-
-dnl **** pty mode/group handling ****
-dnl
-dnl support provided by Luke Mewburn <lm@rmit.edu.au>, 931222
-AC_ARG_WITH(pty-mode, [ --with-pty-mode=mode default mode for ptys], [ ptymode="${withval}" ])
-AC_ARG_WITH(pty-group, [ --with-pty-group=group default group for ptys], [ ptygrp="${withval}" ])
-test -n "$ptymode" || ptymode=0620
-if test -n "$ptygrp" ; then
-AC_DEFINE_UNQUOTED(PTYMODE, $ptymode)
-AC_DEFINE_UNQUOTED(PTYGROUP,$ptygrp)
-else
-
-AC_CHECKING(default tty permissions/group)
-rm -f conftest_grp
-AC_TRY_RUN([
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdio.h>
-main()
-{
- struct stat sb;
- char *x,*ttyname();
- int om, m;
- FILE *fp;
-
- if (!(x = ttyname(0))) exit(1);
- if (stat(x, &sb)) exit(1);
- om = sb.st_mode;
- if (om & 002) exit(0);
- m = system("mesg y");
- if (m == -1 || m == 127) exit(1);
- if (stat(x, &sb)) exit(1);
- m = sb.st_mode;
- if (chmod(x, om)) exit(1);
- if (m & 002) exit(0);
- if (sb.st_gid == getgid()) exit(1);
- if (!(fp=fopen("conftest_grp", "w")))
- exit(1);
- fprintf(fp, "%d\n", sb.st_gid);
- fclose(fp);
- exit(0);
-}
-],[
- if test -f conftest_grp; then
- ptygrp=`cat conftest_grp`
- AC_NOTE([- pty mode: $ptymode, group: $ptygrp])
- AC_DEFINE_UNQUOTED(PTYMODE, $ptymode)
- AC_DEFINE_UNQUOTED(PTYGROUP,$ptygrp)
- else
- AC_NOTE(- ptys are world accessable)
- fi
-],[
- WRITEPATH=''
- XTERMPATH=''
- AC_PATH_PROG(WRITEPATH, write)
- AC_PATH_PROG(XTERMPATH, xterm)
- found=
- if test -n "$WRITEPATH$XTERMPATH"; then
- findfollow=
- lsfollow=
- found=`find $WRITEPATH $XTERMPATH -follow -print 2>/dev/null`
- if test -n "$found"; then
- findfollow=-follow
- lsfollow=L
- fi
- if test -n "$XTERMPATH"; then
- ptygrpn=`ls -l$lsfollow $XTERMPATH | sed -n -e 1p | $AWK '{print $4}'`
- if test tty != "$ptygrpn"; then
- XTERMPATH=
- fi
- fi
- fi
- if test -n "$WRITEPATH$XTERMPATH"; then
- found=`find $WRITEPATH $XTERMPATH $findfollow -perm -2000 -print`
- if test -n "$found"; then
- ptygrp=`ls -ln$lsfollow $found | sed -n -e 1p | $AWK '{print $4}'`
- AC_NOTE([- pty mode: $ptymode, group: $ptygrp])
- AC_DEFINE_UNQUOTED(PTYMODE, $ptymode)
- AC_DEFINE_UNQUOTED(PTYGROUP,$ptygrp)
- else
- AC_NOTE(- ptys are world accessable)
- fi
- else
- AC_NOTE(- can't determine - assume ptys are world accessable)
- fi
- ]
-)
-rm -f conftest_grp
-fi
-
-dnl
-dnl **** signal handling ****
-dnl
-if test -n "$posix" ; then
-
-dnl POSIX has reliable signals with void return type.
-AC_NOTE(assuming posix signal definition)
-AC_DEFINE(SIGVOID)
-
-else
-
-AC_CHECKING(return type of signal handlers)
-AC_TRY_COMPILE(
-[#include <sys/types.h>
-#include <signal.h>
-#ifdef signal
-#undef signal
-#endif
-extern void (*signal ()) ();], [int i;], AC_DEFINE(SIGVOID))
-AC_CHECKING(sigset)
-AC_TRY_LINK([
-#include <sys/types.h>
-#include <signal.h>
-],[
-#ifdef SIGVOID
-sigset(0, (void (*)())0);
-#else
-sigset(0, (int (*)())0);
-#endif
-], AC_DEFINE(USESIGSET))
-AC_CHECKING(signal implementation)
-AC_TRY_RUN([
-#include <sys/types.h>
-#include <signal.h>
-
-#ifndef SIGCLD
-#define SIGCLD SIGCHLD
-#endif
-#ifdef USESIGSET
-#define signal sigset
-#endif
-
-int got;
-
-#ifdef SIGVOID
-void
-#endif
-hand()
-{
- got++;
-}
-
-main()
-{
- /* on hpux we use sigvec to get bsd signals */
-#ifdef __hpux
- (void)signal(SIGCLD, hand);
- kill(getpid(), SIGCLD);
- kill(getpid(), SIGCLD);
- if (got < 2)
- exit(1);
-#endif
- exit(0);
-}
-],,AC_DEFINE(SYSVSIGS))
-
-fi
-
-AC_CHECK_HEADERS(sys/stropts.h sys/wait.h sgtty.h sys/select.h)
-AC_CHECK_HEADERS(term.h)
-
-AC_OUTPUT(Makefile)
projects / deliverable / binutils-gdb.git / blobdiff