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.
13 dnl Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
14 dnl COPYING RESTRICTIONS APPLY, See COPYRIGHT file
16 dnl OpenLDAP Autoconf Macros
18 builtin(include, build/openldap.m4)dnl
20 # Do all the work for Automake. This macro actually does too much --
21 # some checks are only needed if your package does certain things.
22 # But this isn't really a big deal.
27 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
29 AC_DEFUN(AM_INIT_AUTOMAKE,
30 [AC_REQUIRE([AC_PROG_INSTALL])
31 dnl We require 2.13 because we rely on SHELL being computed by configure.
37 dnl test to see if srcdir already configured
38 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
39 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
42 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
43 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
44 AC_REQUIRE([AM_SANITY_CHECK])
45 AC_REQUIRE([AC_ARG_PROGRAM])
46 dnl FIXME This is truly gross.
47 missing_dir=`cd $ac_aux_dir && pwd`
48 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
49 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
50 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
51 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
52 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
53 dnl Set install_sh for make dist
54 install_sh="$missing_dir/install-sh"
55 test -f "$install_sh" || install_sh="$missing_dir/install.sh"
57 dnl We check for tar when the user configures the end package.
58 dnl This is sad, since we only need this for "dist". However,
59 dnl there's no other good way to do it. We prefer GNU tar if
60 dnl we can find it. If we can't find a tar, it doesn't really matter.
61 AC_CHECK_PROGS(AMTAR, gnutar gtar tar)
62 dnl We need awk for the "check" target. The system "awk" is bad on
64 AC_REQUIRE([AC_PROG_AWK])
66 if test -n "$AMTAR"; then
67 if $SHELL -c "$AMTAR --version" > /dev/null 2>&1; then
73 AC_REQUIRE([AC_PROG_MAKE_SET])])
76 # Check to make sure that the build environment is sane.
79 AC_DEFUN(AM_SANITY_CHECK,
80 [AC_MSG_CHECKING([whether build environment is sane])
83 echo timestamp > conftestfile
84 # Do `set' in a subshell so we don't clobber the current shell's
85 # arguments. Must try -L first in case configure is actually a
86 # symlink; some systems play weird games with the mod time of symlinks
87 # (eg FreeBSD returns the mod time of the symlink's containing
90 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
91 if test "[$]*" = "X"; then
93 set X `ls -t $srcdir/configure conftestfile`
95 if test "[$]*" != "X $srcdir/configure conftestfile" \
96 && test "[$]*" != "X conftestfile $srcdir/configure"; then
98 # If neither matched, then we have a broken ls. This can happen
99 # if, for instance, CONFIG_SHELL is bash and it inherits a
100 # broken ls alias from the environment. This has actually
101 # happened. Such a system could not be considered "sane".
102 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
103 alias in your environment])
106 test "[$]2" = conftestfile
112 AC_MSG_ERROR([newly created file is older than distributed files!
113 Check your system clock])
118 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
119 dnl The program must properly implement --version.
120 AC_DEFUN(AM_MISSING_PROG,
121 [AC_MSG_CHECKING(for working $2)
122 # Run test in a subshell; some versions of sh will print an error if
123 # an executable is not found, even if stderr is redirected.
124 # Redirect stdin to placate older versions of autoconf. Sigh.
125 if ($2 --version) < /dev/null > /dev/null 2>&1; then
130 AC_MSG_RESULT(missing)
135 # serial 40 AC_PROG_LIBTOOL
136 AC_DEFUN(AC_PROG_LIBTOOL,
137 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
139 # Save cache, so that ltconfig can load it
142 # Actually configure libtool. ac_aux_dir is where install-sh is found.
143 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
144 LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
145 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
146 DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
147 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
148 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
149 || AC_MSG_ERROR([libtool configure failed])
151 # Reload cache, that may have been modified by ltconfig
154 # This can be used to rebuild libtool when needed
155 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
157 # Always use our own libtool.
158 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
161 # Redirect the config.log output again, so that the ltconfig log is not
162 # clobbered by the next message.
166 AC_DEFUN(AC_LIBTOOL_SETUP,
168 AC_REQUIRE([AC_ENABLE_SHARED])dnl
169 AC_REQUIRE([AC_ENABLE_STATIC])dnl
170 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
171 AC_REQUIRE([AC_CANONICAL_HOST])dnl
172 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
173 AC_REQUIRE([AC_PROG_RANLIB])dnl
174 AC_REQUIRE([AC_PROG_CC])dnl
175 AC_REQUIRE([AC_PROG_LD])dnl
176 AC_REQUIRE([AC_PROG_NM])dnl
177 AC_REQUIRE([AC_PROG_LN_S])dnl
180 # Check for any special flags to pass to ltconfig.
181 libtool_flags="--cache-file=$cache_file"
182 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
183 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
184 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
185 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
186 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
187 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
188 [libtool_flags="$libtool_flags --enable-dlopen"])
189 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
190 [libtool_flags="$libtool_flags --enable-win32-dll"])
191 AC_ARG_ENABLE(libtool-lock,
192 [ --disable-libtool-lock avoid locking (might break parallel builds)])
193 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
194 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
196 # Some flags need to be propagated to the compiler or linker for good
200 # Find out which ABI we are using.
201 echo '[#]line __oline__ "configure"' > conftest.$ac_ext
202 if AC_TRY_EVAL(ac_compile); then
203 case "`/usr/bin/file conftest.o`" in
219 # On SCO OpenServer 5, we need -belf to get full-featured binaries.
220 SAVE_CFLAGS="$CFLAGS"
221 CFLAGS="$CFLAGS -belf"
222 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
223 [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
224 if test x"$lt_cv_cc_needs_belf" != x"yes"; then
225 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
226 CFLAGS="$SAVE_CFLAGS"
230 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
231 [*-*-cygwin* | *-*-mingw*)
232 AC_CHECK_TOOL(DLLTOOL, dlltool, false)
233 AC_CHECK_TOOL(AS, as, false)
234 AC_CHECK_TOOL(OBJDUMP, objdump, false)
240 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
241 AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
243 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
244 AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
246 # AC_ENABLE_SHARED - implement the --enable-shared flag
247 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
248 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
250 AC_DEFUN(AC_ENABLE_SHARED, [dnl
251 define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
252 AC_ARG_ENABLE(shared,
253 changequote(<<, >>)dnl
254 << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
256 [p=${PACKAGE-default}
258 yes) enable_shared=yes ;;
259 no) enable_shared=no ;;
262 # Look at the argument we got. We use all the common list separators.
263 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
264 for pkg in $enableval; do
265 if test "X$pkg" = "X$p"; then
272 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
275 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
276 AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
277 AC_ENABLE_SHARED(no)])
279 # AC_ENABLE_STATIC - implement the --enable-static flag
280 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
281 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
283 AC_DEFUN(AC_ENABLE_STATIC, [dnl
284 define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
285 AC_ARG_ENABLE(static,
286 changequote(<<, >>)dnl
287 << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
289 [p=${PACKAGE-default}
291 yes) enable_static=yes ;;
292 no) enable_static=no ;;
295 # Look at the argument we got. We use all the common list separators.
296 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
297 for pkg in $enableval; do
298 if test "X$pkg" = "X$p"; then
305 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
308 # AC_DISABLE_STATIC - set the default static flag to --disable-static
309 AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
310 AC_ENABLE_STATIC(no)])
313 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
314 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
315 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
317 AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
318 define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
319 AC_ARG_ENABLE(fast-install,
320 changequote(<<, >>)dnl
321 << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
323 [p=${PACKAGE-default}
325 yes) enable_fast_install=yes ;;
326 no) enable_fast_install=no ;;
328 enable_fast_install=no
329 # Look at the argument we got. We use all the common list separators.
330 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
331 for pkg in $enableval; do
332 if test "X$pkg" = "X$p"; then
333 enable_fast_install=yes
339 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
342 # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
343 AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
344 AC_ENABLE_FAST_INSTALL(no)])
346 # AC_PROG_LD - find the path to the GNU or non-GNU linker
349 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
350 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
351 AC_REQUIRE([AC_PROG_CC])dnl
352 AC_REQUIRE([AC_CANONICAL_HOST])dnl
353 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
355 if test "$ac_cv_prog_gcc" = yes; then
356 # Check if gcc -print-prog-name=ld gives a path.
357 AC_MSG_CHECKING([for ld used by GCC])
358 ac_prog=`($CC -print-prog-name=ld) 2>&5`
360 # Accept absolute paths.
362 [\\/]* | [A-Za-z]:[\\/]*)
363 re_direlt='/[^/][^/]*/\.\./'
365 # Canonicalize the path of ld
366 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
367 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
368 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
370 test -z "$LD" && LD="$ac_prog"
373 # If it fails, then pretend we aren't using GCC.
377 # If it is relative, then search for the first ld in PATH.
381 elif test "$with_gnu_ld" = yes; then
382 AC_MSG_CHECKING([for GNU ld])
384 AC_MSG_CHECKING([for non-GNU ld])
386 AC_CACHE_VAL(ac_cv_path_LD,
387 [if test -z "$LD"; then
388 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
389 for ac_dir in $PATH; do
390 test -z "$ac_dir" && ac_dir=.
391 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
392 ac_cv_path_LD="$ac_dir/$ac_prog"
393 # Check to see if the program is GNU ld. I'd rather use --version,
394 # but apparently some GNU ld's only accept -v.
395 # Break only if it was the GNU/non-GNU ld that we prefer.
396 if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
397 test "$with_gnu_ld" != no && break
399 test "$with_gnu_ld" != yes && break
405 ac_cv_path_LD="$LD" # Let the user override the test with a path.
408 if test -n "$LD"; then
413 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
418 AC_DEFUN(AC_PROG_LD_GNU,
419 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
420 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
421 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
422 ac_cv_prog_gnu_ld=yes
428 # AC_PROG_NM - find the path to a BSD-compatible name lister
430 [AC_MSG_CHECKING([for BSD-compatible nm])
431 AC_CACHE_VAL(ac_cv_path_NM,
432 [if test -n "$NM"; then
433 # Let the user override the test.
436 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
437 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
438 test -z "$ac_dir" && ac_dir=.
439 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
440 # Check to see if the nm accepts a BSD-compat flag.
441 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
442 # nm: unknown option "B" ignored
443 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
444 ac_cv_path_NM="$ac_dir/nm -B"
446 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
447 ac_cv_path_NM="$ac_dir/nm -p"
450 ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
451 continue # so that we can try to find one that supports BSD flags
456 test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
463 # AC_CHECK_LIBM - check for math library
464 AC_DEFUN(AC_CHECK_LIBM,
465 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
468 *-*-beos* | *-*-cygwin*)
469 # These system don't have libm
472 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
473 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
476 AC_CHECK_LIB(m, main, LIBM="-lm")
481 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
482 # the libltdl convenience library, adds --enable-ltdl-convenience to
483 # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
484 # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
485 # to be `${top_builddir}/libltdl'. Make sure you start DIR with
486 # '${top_builddir}/' (note the single quotes!) if your package is not
487 # flat, and, if you're not using automake, define top_builddir as
488 # appropriate in the Makefiles.
489 AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
490 case "$enable_ltdl_convenience" in
491 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
492 "") enable_ltdl_convenience=yes
493 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
495 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
496 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
499 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
500 # the libltdl installable library, and adds --enable-ltdl-install to
501 # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
502 # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
503 # to be `${top_builddir}/libltdl'. Make sure you start DIR with
504 # '${top_builddir}/' (note the single quotes!) if your package is not
505 # flat, and, if you're not using automake, define top_builddir as
506 # appropriate in the Makefiles.
507 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
508 AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
509 AC_CHECK_LIB(ltdl, main,
510 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
511 [if test x"$enable_ltdl_install" = xno; then
512 AC_MSG_WARN([libltdl not installed, but installation disabled])
514 enable_ltdl_install=yes
517 if test x"$enable_ltdl_install" = x"yes"; then
518 ac_configure_args="$ac_configure_args --enable-ltdl-install"
519 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
520 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
522 ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
529 AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
530 AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
531 AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
532 AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
533 AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
534 AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
535 AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
537 dnl This is just to silence aclocal about the macro not being used
538 ifelse([AC_DISABLE_FAST_INSTALL])dnl
543 # @defmac AC_PROG_CC_STDC
544 # @maindex PROG_CC_STDC
546 # If the C compiler in not in ANSI C mode by default, try to add an option
547 # to output variable @code{CC} to make it so. This macro tries various
548 # options that select ANSI C on some system or another. It considers the
549 # compiler to be in ANSI C mode if it handles function prototypes correctly.
551 # If you use this macro, you should check after calling it whether the C
552 # compiler has been set to accept ANSI C; if not, the shell variable
553 # @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
554 # code in ANSI C, you can make an un-ANSIfied copy of it by using the
555 # program @code{ansi2knr}, which comes with Ghostscript.
558 AC_DEFUN(AM_PROG_CC_STDC,
559 [AC_REQUIRE([AC_PROG_CC])
560 AC_BEFORE([$0], [AC_C_INLINE])
561 AC_BEFORE([$0], [AC_C_CONST])
562 dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
563 dnl a magic option to avoid problems with ANSI preprocessor commands
565 dnl FIXME: can't do this because then AC_AIX won't work due to a
566 dnl circular dependency.
567 dnl AC_BEFORE([$0], [AC_PROG_CPP])
568 AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
569 AC_CACHE_VAL(am_cv_prog_cc_stdc,
570 [am_cv_prog_cc_stdc=no
572 # Don't try gcc -ansi; that turns off useful extensions and
573 # breaks some systems' header files.
575 # Ultrix and OSF/1 -std1
576 # HP-UX 10.20 and later -Ae
577 # HP-UX older versions -Aa -D_HPUX_SOURCE
578 # SVR4 -Xc -D__EXTENSIONS__
579 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
581 CC="$ac_save_CC $ac_arg"
585 #include <sys/types.h>
586 #include <sys/stat.h>
587 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
588 struct buf { int x; };
589 FILE * (*rcsopen) (struct buf *, struct stat *, int);
590 static char *e (p, i)
596 static char *f (char * (*g) (char **, int), char **p, ...)
601 s = g (p, va_arg (v,int));
605 int test (int i, double x);
606 struct s1 {int (*f) (int a);};
607 struct s2 {int (*f) (double a);};
608 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
612 return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
614 [am_cv_prog_cc_stdc="$ac_arg"; break])
618 if test -z "$am_cv_prog_cc_stdc"; then
619 AC_MSG_RESULT([none needed])
621 AC_MSG_RESULT($am_cv_prog_cc_stdc)
623 case "x$am_cv_prog_cc_stdc" in
625 *) CC="$CC $am_cv_prog_cc_stdc" ;;
629 dnl From Jim Meyering.
633 AC_DEFUN(AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL,
634 [AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
635 AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h],
636 am_cv_sys_tiocgwinsz_needs_sys_ioctl_h,
637 [am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no
639 gwinsz_in_termios_h=no
640 if test $am_cv_sys_posix_termios = yes; then
642 [#include <sys/types.h>
643 # include <termios.h>
647 ], gwinsz_in_termios_h=yes)
650 if test $gwinsz_in_termios_h = no; then
652 [#include <sys/types.h>
653 # include <sys/ioctl.h>
657 ], am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes)
660 if test $am_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then
661 AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
662 [Define if TIOCGWINSZ requires sys/ioctl.h])
666 dnl From Jim Meyering.
670 AC_DEFUN(AM_SYS_POSIX_TERMIOS,
671 [AC_CACHE_CHECK([POSIX termios], am_cv_sys_posix_termios,
672 [AC_TRY_LINK([#include <sys/types.h>
674 #include <termios.h>],
675 [/* SunOS 4.0.3 has termios.h but not the library calls. */
677 am_cv_sys_posix_termios=yes,
678 am_cv_sys_posix_termios=no)])
681 # From Ulrich Drepper.
685 AC_DEFUN(AM_TYPE_PTRDIFF_T,
686 [AC_CACHE_CHECK([for ptrdiff_t], am_cv_type_ptrdiff_t,
687 [AC_TRY_COMPILE([#include <stddef.h>], [ptrdiff_t p],
688 am_cv_type_ptrdiff_t=yes, am_cv_type_ptrdiff_t=no)])
689 if test $am_cv_type_ptrdiff_t = yes; then
690 AC_DEFINE(HAVE_PTRDIFF_T,1,[Define if system has ptrdiff_t type])