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Revision 1.1 - (hide annotations) (download)
Mon Jun 18 09:09:20 2001 UTC (22 years, 9 months ago) by ura
Branch: MAIN
CVS Tags: freewnn-1-1-1-a018
FreeWnn-1.1.1-a018 is released.

1 ura 1.1 dnl aclocal.m4 generated automatically by aclocal 1.4
2    
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.
7    
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.
12    
13    
14     # serial 40 AC_PROG_LIBTOOL
15     AC_DEFUN(AC_PROG_LIBTOOL,
16     [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
17    
18     # Save cache, so that ltconfig can load it
19     AC_CACHE_SAVE
20    
21     # Actually configure libtool. ac_aux_dir is where install-sh is found.
22     CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
23     LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
24     LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
25     DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
26     ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
27     $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
28     || AC_MSG_ERROR([libtool configure failed])
29    
30     # Reload cache, that may have been modified by ltconfig
31     AC_CACHE_LOAD
32    
33     # This can be used to rebuild libtool when needed
34     LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
35    
36     # Always use our own libtool.
37     LIBTOOL='$(SHELL) $(top_builddir)/libtool'
38     AC_SUBST(LIBTOOL)dnl
39    
40     # Redirect the config.log output again, so that the ltconfig log is not
41     # clobbered by the next message.
42     exec 5>>./config.log
43     ])
44    
45     AC_DEFUN(AC_LIBTOOL_SETUP,
46     [AC_PREREQ(2.13)dnl
47     AC_REQUIRE([AC_ENABLE_SHARED])dnl
48     AC_REQUIRE([AC_ENABLE_STATIC])dnl
49     AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
50     AC_REQUIRE([AC_CANONICAL_HOST])dnl
51     AC_REQUIRE([AC_CANONICAL_BUILD])dnl
52     AC_REQUIRE([AC_PROG_RANLIB])dnl
53     AC_REQUIRE([AC_PROG_CC])dnl
54     AC_REQUIRE([AC_PROG_LD])dnl
55     AC_REQUIRE([AC_PROG_NM])dnl
56     AC_REQUIRE([AC_PROG_LN_S])dnl
57     dnl
58    
59     case "$target" in
60     NONE) lt_target="$host" ;;
61     *) lt_target="$target" ;;
62     esac
63    
64     # Check for any special flags to pass to ltconfig.
65     libtool_flags="--cache-file=$cache_file"
66     test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
67     test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
68     test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
69     test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
70     test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
71     ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
72     [libtool_flags="$libtool_flags --enable-dlopen"])
73     ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
74     [libtool_flags="$libtool_flags --enable-win32-dll"])
75     AC_ARG_ENABLE(libtool-lock,
76     [ --disable-libtool-lock avoid locking (might break parallel builds)])
77     test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
78     test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
79    
80     # Some flags need to be propagated to the compiler or linker for good
81     # libtool support.
82     case "$lt_target" in
83     *-*-irix6*)
84     # Find out which ABI we are using.
85     echo '[#]line __oline__ "configure"' > conftest.$ac_ext
86     if AC_TRY_EVAL(ac_compile); then
87     case "`/usr/bin/file conftest.o`" in
88     *32-bit*)
89     LD="${LD-ld} -32"
90     ;;
91     *N32*)
92     LD="${LD-ld} -n32"
93     ;;
94     *64-bit*)
95     LD="${LD-ld} -64"
96     ;;
97     esac
98     fi
99     rm -rf conftest*
100     ;;
101    
102     *-*-sco3.2v5*)
103     # On SCO OpenServer 5, we need -belf to get full-featured binaries.
104     SAVE_CFLAGS="$CFLAGS"
105     CFLAGS="$CFLAGS -belf"
106     AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
107     [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
108     if test x"$lt_cv_cc_needs_belf" != x"yes"; then
109     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
110     CFLAGS="$SAVE_CFLAGS"
111     fi
112     ;;
113    
114     ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
115     [*-*-cygwin* | *-*-mingw*)
116     AC_CHECK_TOOL(DLLTOOL, dlltool, false)
117     AC_CHECK_TOOL(AS, as, false)
118     AC_CHECK_TOOL(OBJDUMP, objdump, false)
119     ;;
120     ])
121     esac
122     ])
123    
124     # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
125     AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
126    
127     # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
128     AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
129    
130     # AC_ENABLE_SHARED - implement the --enable-shared flag
131     # Usage: AC_ENABLE_SHARED[(DEFAULT)]
132     # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
133     # `yes'.
134     AC_DEFUN(AC_ENABLE_SHARED, [dnl
135     define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
136     AC_ARG_ENABLE(shared,
137     changequote(<<, >>)dnl
138     << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
139     changequote([, ])dnl
140     [p=${PACKAGE-default}
141     case "$enableval" in
142     yes) enable_shared=yes ;;
143     no) enable_shared=no ;;
144     *)
145     enable_shared=no
146     # Look at the argument we got. We use all the common list separators.
147     IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
148     for pkg in $enableval; do
149     if test "X$pkg" = "X$p"; then
150     enable_shared=yes
151     fi
152     done
153     IFS="$ac_save_ifs"
154     ;;
155     esac],
156     enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
157     ])
158    
159     # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
160     AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
161     AC_ENABLE_SHARED(no)])
162    
163     # AC_ENABLE_STATIC - implement the --enable-static flag
164     # Usage: AC_ENABLE_STATIC[(DEFAULT)]
165     # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
166     # `yes'.
167     AC_DEFUN(AC_ENABLE_STATIC, [dnl
168     define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
169     AC_ARG_ENABLE(static,
170     changequote(<<, >>)dnl
171     << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
172     changequote([, ])dnl
173     [p=${PACKAGE-default}
174     case "$enableval" in
175     yes) enable_static=yes ;;
176     no) enable_static=no ;;
177     *)
178     enable_static=no
179     # Look at the argument we got. We use all the common list separators.
180     IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
181     for pkg in $enableval; do
182     if test "X$pkg" = "X$p"; then
183     enable_static=yes
184     fi
185     done
186     IFS="$ac_save_ifs"
187     ;;
188     esac],
189     enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
190     ])
191    
192     # AC_DISABLE_STATIC - set the default static flag to --disable-static
193     AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
194     AC_ENABLE_STATIC(no)])
195    
196    
197     # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
198     # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
199     # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
200     # `yes'.
201     AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
202     define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
203     AC_ARG_ENABLE(fast-install,
204     changequote(<<, >>)dnl
205     << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
206     changequote([, ])dnl
207     [p=${PACKAGE-default}
208     case "$enableval" in
209     yes) enable_fast_install=yes ;;
210     no) enable_fast_install=no ;;
211     *)
212     enable_fast_install=no
213     # Look at the argument we got. We use all the common list separators.
214     IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
215     for pkg in $enableval; do
216     if test "X$pkg" = "X$p"; then
217     enable_fast_install=yes
218     fi
219     done
220     IFS="$ac_save_ifs"
221     ;;
222     esac],
223     enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
224     ])
225    
226     # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
227     AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
228     AC_ENABLE_FAST_INSTALL(no)])
229    
230     # AC_PROG_LD - find the path to the GNU or non-GNU linker
231     AC_DEFUN(AC_PROG_LD,
232     [AC_ARG_WITH(gnu-ld,
233     [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
234     test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
235     AC_REQUIRE([AC_PROG_CC])dnl
236     AC_REQUIRE([AC_CANONICAL_HOST])dnl
237     AC_REQUIRE([AC_CANONICAL_BUILD])dnl
238     ac_prog=ld
239     if test "$ac_cv_prog_gcc" = yes; then
240     # Check if gcc -print-prog-name=ld gives a path.
241     AC_MSG_CHECKING([for ld used by GCC])
242     ac_prog=`($CC -print-prog-name=ld) 2>&5`
243     case "$ac_prog" in
244     # Accept absolute paths.
245     changequote(,)dnl
246     [\\/]* | [A-Za-z]:[\\/]*)
247     re_direlt='/[^/][^/]*/\.\./'
248     changequote([,])dnl
249     # Canonicalize the path of ld
250     ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
251     while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
252     ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
253     done
254     test -z "$LD" && LD="$ac_prog"
255     ;;
256     "")
257     # If it fails, then pretend we aren't using GCC.
258     ac_prog=ld
259     ;;
260     *)
261     # If it is relative, then search for the first ld in PATH.
262     with_gnu_ld=unknown
263     ;;
264     esac
265     elif test "$with_gnu_ld" = yes; then
266     AC_MSG_CHECKING([for GNU ld])
267     else
268     AC_MSG_CHECKING([for non-GNU ld])
269     fi
270     AC_CACHE_VAL(ac_cv_path_LD,
271     [if test -z "$LD"; then
272     IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
273     for ac_dir in $PATH; do
274     test -z "$ac_dir" && ac_dir=.
275     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
276     ac_cv_path_LD="$ac_dir/$ac_prog"
277     # Check to see if the program is GNU ld. I'd rather use --version,
278     # but apparently some GNU ld's only accept -v.
279     # Break only if it was the GNU/non-GNU ld that we prefer.
280     if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
281     test "$with_gnu_ld" != no && break
282     else
283     test "$with_gnu_ld" != yes && break
284     fi
285     fi
286     done
287     IFS="$ac_save_ifs"
288     else
289     ac_cv_path_LD="$LD" # Let the user override the test with a path.
290     fi])
291     LD="$ac_cv_path_LD"
292     if test -n "$LD"; then
293     AC_MSG_RESULT($LD)
294     else
295     AC_MSG_RESULT(no)
296     fi
297     test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
298     AC_PROG_LD_GNU
299     ])
300    
301     AC_DEFUN(AC_PROG_LD_GNU,
302     [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
303     [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
304     if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
305     ac_cv_prog_gnu_ld=yes
306     else
307     ac_cv_prog_gnu_ld=no
308     fi])
309     ])
310    
311     # AC_PROG_NM - find the path to a BSD-compatible name lister
312     AC_DEFUN(AC_PROG_NM,
313     [AC_MSG_CHECKING([for BSD-compatible nm])
314     AC_CACHE_VAL(ac_cv_path_NM,
315     [if test -n "$NM"; then
316     # Let the user override the test.
317     ac_cv_path_NM="$NM"
318     else
319     IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
320     for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
321     test -z "$ac_dir" && ac_dir=.
322     if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
323     # Check to see if the nm accepts a BSD-compat flag.
324     # Adding the `sed 1q' prevents false positives on HP-UX, which says:
325     # nm: unknown option "B" ignored
326     if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
327     ac_cv_path_NM="$ac_dir/nm -B"
328     break
329     elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
330     ac_cv_path_NM="$ac_dir/nm -p"
331     break
332     else
333     ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
334     continue # so that we can try to find one that supports BSD flags
335     fi
336     fi
337     done
338     IFS="$ac_save_ifs"
339     test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
340     fi])
341     NM="$ac_cv_path_NM"
342     AC_MSG_RESULT([$NM])
343     ])
344    
345     # AC_CHECK_LIBM - check for math library
346     AC_DEFUN(AC_CHECK_LIBM,
347     [AC_REQUIRE([AC_CANONICAL_HOST])dnl
348     LIBM=
349     case "$lt_target" in
350     *-*-beos* | *-*-cygwin*)
351     # These system don't have libm
352     ;;
353     *-ncr-sysv4.3*)
354     AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
355     AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
356     ;;
357     *)
358     AC_CHECK_LIB(m, main, LIBM="-lm")
359     ;;
360     esac
361     ])
362    
363     # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
364     # the libltdl convenience library and INCLTDL to the include flags for
365     # the libltdl header and adds --enable-ltdl-convenience to the
366     # configure arguments. Note that LIBLTDL and INCLTDL are not
367     # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
368     # provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
369     # with '${top_builddir}/' and INCLTDL will be prefixed with
370     # '${top_srcdir}/' (note the single quotes!). If your package is not
371     # flat and you're not using automake, define top_builddir and
372     # top_srcdir appropriately in the Makefiles.
373     AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
374     case "$enable_ltdl_convenience" in
375     no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
376     "") enable_ltdl_convenience=yes
377     ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
378     esac
379     LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
380     INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
381     ])
382    
383     # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
384     # the libltdl installable library and INCLTDL to the include flags for
385     # the libltdl header and adds --enable-ltdl-install to the configure
386     # arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
387     # AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
388     # libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
389     # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
390     # with '${top_srcdir}/' (note the single quotes!). If your package is
391     # not flat and you're not using automake, define top_builddir and
392     # top_srcdir appropriately in the Makefiles.
393     # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
394     AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
395     AC_CHECK_LIB(ltdl, main,
396     [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
397     [if test x"$enable_ltdl_install" = xno; then
398     AC_MSG_WARN([libltdl not installed, but installation disabled])
399     else
400     enable_ltdl_install=yes
401     fi
402     ])
403     if test x"$enable_ltdl_install" = x"yes"; then
404     ac_configure_args="$ac_configure_args --enable-ltdl-install"
405     LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
406     INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
407     else
408     ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
409     LIBLTDL="-lltdl"
410     INCLTDL=
411     fi
412     ])
413    
414     dnl old names
415     AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
416     AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
417     AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
418     AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
419     AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
420     AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
421     AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
422    
423     dnl This is just to silence aclocal about the macro not being used
424     ifelse([AC_DISABLE_FAST_INSTALL])dnl
425    
426     # Do all the work for Automake. This macro actually does too much --
427     # some checks are only needed if your package does certain things.
428     # But this isn't really a big deal.
429    
430     # serial 1
431    
432     dnl Usage:
433     dnl AM_INIT_AUTOMAKE(package,version, [no-define])
434    
435     AC_DEFUN(AM_INIT_AUTOMAKE,
436     [AC_REQUIRE([AC_PROG_INSTALL])
437     PACKAGE=[$1]
438     AC_SUBST(PACKAGE)
439     VERSION=[$2]
440     AC_SUBST(VERSION)
441     dnl test to see if srcdir already configured
442     if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
443     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
444     fi
445     ifelse([$3],,
446     AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
447     AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
448     AC_REQUIRE([AM_SANITY_CHECK])
449     AC_REQUIRE([AC_ARG_PROGRAM])
450     dnl FIXME This is truly gross.
451     missing_dir=`cd $ac_aux_dir && pwd`
452     AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
453     AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
454     AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
455     AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
456     AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
457     AC_REQUIRE([AC_PROG_MAKE_SET])])
458    
459     #
460     # Check to make sure that the build environment is sane.
461     #
462    
463     AC_DEFUN(AM_SANITY_CHECK,
464     [AC_MSG_CHECKING([whether build environment is sane])
465     # Just in case
466     sleep 1
467     echo timestamp > conftestfile
468     # Do `set' in a subshell so we don't clobber the current shell's
469     # arguments. Must try -L first in case configure is actually a
470     # symlink; some systems play weird games with the mod time of symlinks
471     # (eg FreeBSD returns the mod time of the symlink's containing
472     # directory).
473     if (
474     set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
475     if test "[$]*" = "X"; then
476     # -L didn't work.
477     set X `ls -t $srcdir/configure conftestfile`
478     fi
479     if test "[$]*" != "X $srcdir/configure conftestfile" \
480     && test "[$]*" != "X conftestfile $srcdir/configure"; then
481    
482     # If neither matched, then we have a broken ls. This can happen
483     # if, for instance, CONFIG_SHELL is bash and it inherits a
484     # broken ls alias from the environment. This has actually
485     # happened. Such a system could not be considered "sane".
486     AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
487     alias in your environment])
488     fi
489    
490     test "[$]2" = conftestfile
491     )
492     then
493     # Ok.
494     :
495     else
496     AC_MSG_ERROR([newly created file is older than distributed files!
497     Check your system clock])
498     fi
499     rm -f conftest*
500     AC_MSG_RESULT(yes)])
501    
502     dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
503     dnl The program must properly implement --version.
504     AC_DEFUN(AM_MISSING_PROG,
505     [AC_MSG_CHECKING(for working $2)
506     # Run test in a subshell; some versions of sh will print an error if
507     # an executable is not found, even if stderr is redirected.
508     # Redirect stdin to placate older versions of autoconf. Sigh.
509     if ($2 --version) < /dev/null > /dev/null 2>&1; then
510     $1=$2
511     AC_MSG_RESULT(found)
512     else
513     $1="$3/missing $2"
514     AC_MSG_RESULT(missing)
515     fi
516     AC_SUBST($1)])
517    
518     # Like AC_CONFIG_HEADER, but automatically create stamp file.
519    
520     AC_DEFUN(AM_CONFIG_HEADER,
521     [AC_PREREQ([2.12])
522     AC_CONFIG_HEADER([$1])
523     dnl When config.status generates a header, we must update the stamp-h file.
524     dnl This file resides in the same directory as the config header
525     dnl that is generated. We must strip everything past the first ":",
526     dnl and everything past the last "/".
527     AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
528     ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
529     <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
530     <<am_indx=1
531     for am_file in <<$1>>; do
532     case " <<$>>CONFIG_HEADERS " in
533     *" <<$>>am_file "*<<)>>
534     echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
535     ;;
536     esac
537     am_indx=`expr "<<$>>am_indx" + 1`
538     done<<>>dnl>>)
539     changequote([,]))])
540    
541     # Add --enable-maintainer-mode option to configure.
542     # From Jim Meyering
543    
544     # serial 1
545    
546     AC_DEFUN(AM_MAINTAINER_MODE,
547     [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
548     dnl maintainer-mode is disabled by default
549     AC_ARG_ENABLE(maintainer-mode,
550     [ --enable-maintainer-mode enable make rules and dependencies not useful
551     (and sometimes confusing) to the casual installer],
552     USE_MAINTAINER_MODE=$enableval,
553     USE_MAINTAINER_MODE=no)
554     AC_MSG_RESULT($USE_MAINTAINER_MODE)
555     AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
556     MAINT=$MAINTAINER_MODE_TRUE
557     AC_SUBST(MAINT)dnl
558     ]
559     )
560    
561     # Define a conditional.
562    
563     AC_DEFUN(AM_CONDITIONAL,
564     [AC_SUBST($1_TRUE)
565     AC_SUBST($1_FALSE)
566     if $2; then
567     $1_TRUE=
568     $1_FALSE='#'
569     else
570     $1_TRUE='#'
571     $1_FALSE=
572     fi])
573    

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