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ChangeLog	1.31 MB	View DL Edit
config.h.in	9.15 MB	View DL Edit
configure	153.8 MB	View DL Edit
configure.in	8.87 MB	View DL Edit
extern.h	1.38 MB	View DL Edit
Makefile.in	5.14 MB	View DL Edit
os.h	12.07 MB	View DL Edit
pty.c	8.11 MB	View DL Edit
README	2.82 MB	View DL Edit
rlfe.c	19.56 MB	View DL Edit
screen.h	60 B	View DL Edit

Edit file: /usr/share/doc/readline-devel/rlfe/configure.in

dnl Process this file with autoconf to produce a configure script.

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)

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