1 dnl aclocal.m4 generated automatically by aclocal 1.4a
3 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 dnl This program is distributed in the hope that it will be useful,
9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11 dnl PARTICULAR PURPOSE.
15 dnl Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
16 dnl COPYING RESTRICTIONS APPLY, See COPYRIGHT file
18 dnl OpenLDAP Autoconf Macros
21 builtin(include, build/openldap.m4)dnl
23 # Do all the work for Automake. This macro actually does too much --
24 # some checks are only needed if your package does certain things.
25 # But this isn't really a big deal.
30 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
32 AC_DEFUN(AM_INIT_AUTOMAKE,
33 [AC_REQUIRE([AC_PROG_INSTALL])
34 dnl We require 2.13 because we rely on SHELL being computed by configure.
40 dnl test to see if srcdir already configured
41 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
42 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
45 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
46 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
47 AC_REQUIRE([AM_SANITY_CHECK])
48 AC_REQUIRE([AC_ARG_PROGRAM])
49 dnl FIXME This is truly gross.
50 missing_dir=`cd $ac_aux_dir && pwd`
51 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
52 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
53 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
54 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
55 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
56 dnl Set install_sh for make dist
57 install_sh="$missing_dir/install-sh"
58 test -f "$install_sh" || install_sh="$missing_dir/install.sh"
60 dnl We check for tar when the user configures the end package.
61 dnl This is sad, since we only need this for "dist". However,
62 dnl there's no other good way to do it. We prefer GNU tar if
63 dnl we can find it. If we can't find a tar, it doesn't really matter.
64 AC_CHECK_PROGS(AMTAR, gnutar gtar tar)
65 dnl We need awk for the "check" target. The system "awk" is bad on
67 AC_REQUIRE([AC_PROG_AWK])
69 if test -n "$AMTAR"; then
70 if $SHELL -c "$AMTAR --version" > /dev/null 2>&1; then
76 AC_REQUIRE([AC_PROG_MAKE_SET])])
79 # Check to make sure that the build environment is sane.
82 AC_DEFUN(AM_SANITY_CHECK,
83 [AC_MSG_CHECKING([whether build environment is sane])
86 echo timestamp > conftestfile
87 # Do `set' in a subshell so we don't clobber the current shell's
88 # arguments. Must try -L first in case configure is actually a
89 # symlink; some systems play weird games with the mod time of symlinks
90 # (eg FreeBSD returns the mod time of the symlink's containing
93 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
94 if test "[$]*" = "X"; then
96 set X `ls -t $srcdir/configure conftestfile`
98 if test "[$]*" != "X $srcdir/configure conftestfile" \
99 && test "[$]*" != "X conftestfile $srcdir/configure"; then
101 # If neither matched, then we have a broken ls. This can happen
102 # if, for instance, CONFIG_SHELL is bash and it inherits a
103 # broken ls alias from the environment. This has actually
104 # happened. Such a system could not be considered "sane".
105 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
106 alias in your environment])
109 test "[$]2" = conftestfile
115 AC_MSG_ERROR([newly created file is older than distributed files!
116 Check your system clock])
121 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
122 dnl The program must properly implement --version.
123 AC_DEFUN(AM_MISSING_PROG,
124 [AC_MSG_CHECKING(for working $2)
125 # Run test in a subshell; some versions of sh will print an error if
126 # an executable is not found, even if stderr is redirected.
127 # Redirect stdin to placate older versions of autoconf. Sigh.
128 if ($2 --version) < /dev/null > /dev/null 2>&1; then
133 AC_MSG_RESULT(missing)
138 # serial 40 AC_PROG_LIBTOOL
139 AC_DEFUN(AC_PROG_LIBTOOL,
140 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
142 # Save cache, so that ltconfig can load it
145 # Actually configure libtool. ac_aux_dir is where install-sh is found.
146 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
147 LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
148 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
149 DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
150 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
151 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
152 || AC_MSG_ERROR([libtool configure failed])
154 # Reload cache, that may have been modified by ltconfig
157 # This can be used to rebuild libtool when needed
158 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
160 # Always use our own libtool.
161 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
164 # Redirect the config.log output again, so that the ltconfig log is not
165 # clobbered by the next message.
169 AC_DEFUN(AC_LIBTOOL_SETUP,
171 AC_REQUIRE([AC_ENABLE_SHARED])dnl
172 AC_REQUIRE([AC_ENABLE_STATIC])dnl
173 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
174 AC_REQUIRE([AC_CANONICAL_HOST])dnl
175 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
176 AC_REQUIRE([AC_PROG_RANLIB])dnl
177 AC_REQUIRE([AC_PROG_CC])dnl
178 AC_REQUIRE([AC_PROG_LD])dnl
179 AC_REQUIRE([AC_PROG_NM])dnl
180 AC_REQUIRE([AC_PROG_LN_S])dnl
183 # Check for any special flags to pass to ltconfig.
184 libtool_flags="--cache-file=$cache_file"
185 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
186 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
187 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
188 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
189 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
190 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
191 [libtool_flags="$libtool_flags --enable-dlopen"])
192 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
193 [libtool_flags="$libtool_flags --enable-win32-dll"])
194 AC_ARG_ENABLE(libtool-lock,
195 [ --disable-libtool-lock avoid locking (might break parallel builds)])
196 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
197 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
199 # Some flags need to be propagated to the compiler or linker for good
203 # Find out which ABI we are using.
204 echo '[#]line __oline__ "configure"' > conftest.$ac_ext
205 if AC_TRY_EVAL(ac_compile); then
206 case "`/usr/bin/file conftest.o`" in
222 # On SCO OpenServer 5, we need -belf to get full-featured binaries.
223 SAVE_CFLAGS="$CFLAGS"
224 CFLAGS="$CFLAGS -belf"
225 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
226 [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
227 if test x"$lt_cv_cc_needs_belf" != x"yes"; then
228 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
229 CFLAGS="$SAVE_CFLAGS"
233 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
234 [*-*-cygwin* | *-*-mingw*)
235 AC_CHECK_TOOL(DLLTOOL, dlltool, false)
236 AC_CHECK_TOOL(AS, as, false)
237 AC_CHECK_TOOL(OBJDUMP, objdump, false)
243 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
244 AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
246 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
247 AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
249 # AC_ENABLE_SHARED - implement the --enable-shared flag
250 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
251 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
253 AC_DEFUN(AC_ENABLE_SHARED, [dnl
254 define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
255 AC_ARG_ENABLE(shared,
256 changequote(<<, >>)dnl
257 << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
259 [p=${PACKAGE-default}
261 yes) enable_shared=yes ;;
262 no) enable_shared=no ;;
265 # Look at the argument we got. We use all the common list separators.
266 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
267 for pkg in $enableval; do
268 if test "X$pkg" = "X$p"; then
275 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
278 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
279 AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
280 AC_ENABLE_SHARED(no)])
282 # AC_ENABLE_STATIC - implement the --enable-static flag
283 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
284 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
286 AC_DEFUN(AC_ENABLE_STATIC, [dnl
287 define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
288 AC_ARG_ENABLE(static,
289 changequote(<<, >>)dnl
290 << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
292 [p=${PACKAGE-default}
294 yes) enable_static=yes ;;
295 no) enable_static=no ;;
298 # Look at the argument we got. We use all the common list separators.
299 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
300 for pkg in $enableval; do
301 if test "X$pkg" = "X$p"; then
308 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
311 # AC_DISABLE_STATIC - set the default static flag to --disable-static
312 AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
313 AC_ENABLE_STATIC(no)])
316 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
317 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
318 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
320 AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
321 define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
322 AC_ARG_ENABLE(fast-install,
323 changequote(<<, >>)dnl
324 << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
326 [p=${PACKAGE-default}
328 yes) enable_fast_install=yes ;;
329 no) enable_fast_install=no ;;
331 enable_fast_install=no
332 # Look at the argument we got. We use all the common list separators.
333 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
334 for pkg in $enableval; do
335 if test "X$pkg" = "X$p"; then
336 enable_fast_install=yes
342 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
345 # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
346 AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
347 AC_ENABLE_FAST_INSTALL(no)])
349 # AC_PROG_LD - find the path to the GNU or non-GNU linker
352 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
353 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
354 AC_REQUIRE([AC_PROG_CC])dnl
355 AC_REQUIRE([AC_CANONICAL_HOST])dnl
356 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
358 if test "$ac_cv_prog_gcc" = yes; then
359 # Check if gcc -print-prog-name=ld gives a path.
360 AC_MSG_CHECKING([for ld used by GCC])
361 ac_prog=`($CC -print-prog-name=ld) 2>&5`
363 # Accept absolute paths.
365 [\\/]* | [A-Za-z]:[\\/]*)
366 re_direlt='/[^/][^/]*/\.\./'
368 # Canonicalize the path of ld
369 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
370 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
371 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
373 test -z "$LD" && LD="$ac_prog"
376 # If it fails, then pretend we aren't using GCC.
380 # If it is relative, then search for the first ld in PATH.
384 elif test "$with_gnu_ld" = yes; then
385 AC_MSG_CHECKING([for GNU ld])
387 AC_MSG_CHECKING([for non-GNU ld])
389 AC_CACHE_VAL(ac_cv_path_LD,
390 [if test -z "$LD"; then
391 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
392 for ac_dir in $PATH; do
393 test -z "$ac_dir" && ac_dir=.
394 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
395 ac_cv_path_LD="$ac_dir/$ac_prog"
396 # Check to see if the program is GNU ld. I'd rather use --version,
397 # but apparently some GNU ld's only accept -v.
398 # Break only if it was the GNU/non-GNU ld that we prefer.
399 if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
400 test "$with_gnu_ld" != no && break
402 test "$with_gnu_ld" != yes && break
408 ac_cv_path_LD="$LD" # Let the user override the test with a path.
411 if test -n "$LD"; then
416 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
421 AC_DEFUN(AC_PROG_LD_GNU,
422 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
423 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
424 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
425 ac_cv_prog_gnu_ld=yes
431 # AC_PROG_NM - find the path to a BSD-compatible name lister
433 [AC_MSG_CHECKING([for BSD-compatible nm])
434 AC_CACHE_VAL(ac_cv_path_NM,
435 [if test -n "$NM"; then
436 # Let the user override the test.
439 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
440 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
441 test -z "$ac_dir" && ac_dir=.
442 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
443 # Check to see if the nm accepts a BSD-compat flag.
444 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
445 # nm: unknown option "B" ignored
446 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
447 ac_cv_path_NM="$ac_dir/nm -B"
449 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
450 ac_cv_path_NM="$ac_dir/nm -p"
453 ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
454 continue # so that we can try to find one that supports BSD flags
459 test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
466 # AC_CHECK_LIBM - check for math library
467 AC_DEFUN(AC_CHECK_LIBM,
468 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
471 *-*-beos* | *-*-cygwin*)
472 # These system don't have libm
475 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
476 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
479 AC_CHECK_LIB(m, main, LIBM="-lm")
484 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
485 # the libltdl convenience library, adds --enable-ltdl-convenience to
486 # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
487 # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
488 # to be `${top_builddir}/libltdl'. Make sure you start DIR with
489 # '${top_builddir}/' (note the single quotes!) if your package is not
490 # flat, and, if you're not using automake, define top_builddir as
491 # appropriate in the Makefiles.
492 AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
493 case "$enable_ltdl_convenience" in
494 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
495 "") enable_ltdl_convenience=yes
496 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
498 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
499 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
502 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
503 # the libltdl installable library, and adds --enable-ltdl-install to
504 # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
505 # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
506 # to be `${top_builddir}/libltdl'. Make sure you start DIR with
507 # '${top_builddir}/' (note the single quotes!) if your package is not
508 # flat, and, if you're not using automake, define top_builddir as
509 # appropriate in the Makefiles.
510 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
511 AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
512 AC_CHECK_LIB(ltdl, main,
513 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
514 [if test x"$enable_ltdl_install" = xno; then
515 AC_MSG_WARN([libltdl not installed, but installation disabled])
517 enable_ltdl_install=yes
520 if test x"$enable_ltdl_install" = x"yes"; then
521 ac_configure_args="$ac_configure_args --enable-ltdl-install"
522 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
523 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
525 ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
532 AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
533 AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
534 AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
535 AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
536 AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
537 AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
538 AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
540 dnl This is just to silence aclocal about the macro not being used
541 ifelse([AC_DISABLE_FAST_INSTALL])dnl
546 # @defmac AC_PROG_CC_STDC
547 # @maindex PROG_CC_STDC
549 # If the C compiler in not in ANSI C mode by default, try to add an option
550 # to output variable @code{CC} to make it so. This macro tries various
551 # options that select ANSI C on some system or another. It considers the
552 # compiler to be in ANSI C mode if it handles function prototypes correctly.
554 # If you use this macro, you should check after calling it whether the C
555 # compiler has been set to accept ANSI C; if not, the shell variable
556 # @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
557 # code in ANSI C, you can make an un-ANSIfied copy of it by using the
558 # program @code{ansi2knr}, which comes with Ghostscript.
561 AC_DEFUN(AM_PROG_CC_STDC,
562 [AC_REQUIRE([AC_PROG_CC])
563 AC_BEFORE([$0], [AC_C_INLINE])
564 AC_BEFORE([$0], [AC_C_CONST])
565 dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
566 dnl a magic option to avoid problems with ANSI preprocessor commands
568 dnl FIXME: can't do this because then AC_AIX won't work due to a
569 dnl circular dependency.
570 dnl AC_BEFORE([$0], [AC_PROG_CPP])
571 AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
572 AC_CACHE_VAL(am_cv_prog_cc_stdc,
573 [am_cv_prog_cc_stdc=no
575 # Don't try gcc -ansi; that turns off useful extensions and
576 # breaks some systems' header files.
578 # Ultrix and OSF/1 -std1
579 # HP-UX 10.20 and later -Ae
580 # HP-UX older versions -Aa -D_HPUX_SOURCE
581 # SVR4 -Xc -D__EXTENSIONS__
582 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
584 CC="$ac_save_CC $ac_arg"
588 #include <sys/types.h>
589 #include <sys/stat.h>
590 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
591 struct buf { int x; };
592 FILE * (*rcsopen) (struct buf *, struct stat *, int);
593 static char *e (p, i)
599 static char *f (char * (*g) (char **, int), char **p, ...)
604 s = g (p, va_arg (v,int));
608 int test (int i, double x);
609 struct s1 {int (*f) (int a);};
610 struct s2 {int (*f) (double a);};
611 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
615 return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
617 [am_cv_prog_cc_stdc="$ac_arg"; break])
621 if test -z "$am_cv_prog_cc_stdc"; then
622 AC_MSG_RESULT([none needed])
624 AC_MSG_RESULT($am_cv_prog_cc_stdc)
626 case "x$am_cv_prog_cc_stdc" in
628 *) CC="$CC $am_cv_prog_cc_stdc" ;;
632 dnl From Jim Meyering.
636 AC_DEFUN(AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL,
637 [AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
638 AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h],
639 am_cv_sys_tiocgwinsz_needs_sys_ioctl_h,
640 [am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no
642 gwinsz_in_termios_h=no
643 if test $am_cv_sys_posix_termios = yes; then
645 [#include <sys/types.h>
646 # include <termios.h>
650 ], gwinsz_in_termios_h=yes)
653 if test $gwinsz_in_termios_h = no; then
655 [#include <sys/types.h>
656 # include <sys/ioctl.h>
660 ], am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes)
663 if test $am_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then
664 AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
665 [Define if TIOCGWINSZ requires sys/ioctl.h])
669 dnl From Jim Meyering.
673 AC_DEFUN(AM_SYS_POSIX_TERMIOS,
674 [AC_CACHE_CHECK([POSIX termios], am_cv_sys_posix_termios,
675 [AC_TRY_LINK([#include <sys/types.h>
677 #include <termios.h>],
678 [/* SunOS 4.0.3 has termios.h but not the library calls. */
680 am_cv_sys_posix_termios=yes,
681 am_cv_sys_posix_termios=no)])
684 # From Ulrich Drepper.
688 AC_DEFUN(AM_TYPE_PTRDIFF_T,
689 [AC_CACHE_CHECK([for ptrdiff_t], am_cv_type_ptrdiff_t,
690 [AC_TRY_COMPILE([#include <stddef.h>], [ptrdiff_t p],
691 am_cv_type_ptrdiff_t=yes, am_cv_type_ptrdiff_t=no)])
692 if test $am_cv_type_ptrdiff_t = yes; then
693 AC_DEFINE(HAVE_PTRDIFF_T,1,[Define if system has ptrdiff_t type])