1 # aclocal.m4 generated automatically by aclocal 1.4g
3 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000
4 # Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
14 # Do all the work for Automake. This macro actually does too much --
15 # some checks are only needed if your package does certain things.
16 # But this isn't really a big deal.
20 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
21 # written in clear, in which case automake, when reading aclocal.m4,
22 # will think it sees a *use*, and therefore will trigger all it's
23 # C support machinery. Also note that it means that autoscan, seeing
24 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
27 # We require 2.13 because we rely on SHELL being computed by configure.
30 # AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
31 # -----------------------------------------------------------
32 # If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED.
33 # The purpose of this macro is to provide the user with a means to
34 # check macros which are provided without letting her know how the
35 # information is coded.
36 # If this macro is not defined by Autoconf, define it here.
37 ifdef([AC_PROVIDE_IFELSE],
39 [define([AC_PROVIDE_IFELSE],
40 [ifdef([AC_PROVIDE_$1],
44 # AM_INIT_AUTOMAKE(PACKAGE,VERSION, [NO-DEFINE])
45 # ----------------------------------------------
46 AC_DEFUN([AM_INIT_AUTOMAKE],
47 [AC_REQUIRE([AC_PROG_INSTALL])dnl
48 # test to see if srcdir already configured
49 if test "`CDPATH=:; cd $srcdir && pwd`" != "`pwd`" &&
50 test -f $srcdir/config.status; then
51 AC_MSG_ERROR([source directory already configured; run \"make distclean\" there first])
54 # Define the identity of the package.
60 [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
61 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])
63 # Autoconf 2.50 wants to disallow AM_ names. We explicitly allow
64 # the ones we care about.
65 ifdef([m4_pattern_allow],
66 [m4_pattern_allow([^AM_[A-Z]+FLAGS])])dnl
68 # Some tools Automake needs.
69 AC_REQUIRE([AM_SANITY_CHECK])dnl
70 AC_REQUIRE([AC_ARG_PROGRAM])dnl
71 AM_MISSING_PROG(ACLOCAL, aclocal)
72 AM_MISSING_PROG(AUTOCONF, autoconf)
73 AM_MISSING_PROG(AUTOMAKE, automake)
74 AM_MISSING_PROG(AUTOHEADER, autoheader)
75 AM_MISSING_PROG(MAKEINFO, makeinfo)
76 AM_MISSING_PROG(AMTAR, tar)
79 # We need awk for the "check" target. The system "awk" is bad on
81 AC_REQUIRE([AC_PROG_AWK])dnl
82 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
83 AC_REQUIRE([AM_DEP_TRACK])dnl
84 AC_REQUIRE([AM_SET_DEPDIR])dnl
85 AC_PROVIDE_IFELSE([AC_PROG_][CC],
86 [AM_DEPENDENCIES(CC)],
87 [define([AC_PROG_][CC],
88 defn([AC_PROG_][CC])[AM_DEPENDENCIES(CC)])])dnl
89 AC_PROVIDE_IFELSE([AC_PROG_][CXX],
90 [AM_DEPENDENCIES(CXX)],
91 [define([AC_PROG_][CXX],
92 defn([AC_PROG_][CXX])[AM_DEPENDENCIES(CXX)])])dnl
96 # Check to make sure that the build environment is sane.
103 AC_DEFUN([AM_SANITY_CHECK],
104 [AC_MSG_CHECKING([whether build environment is sane])
107 echo timestamp > conftest.file
108 # Do `set' in a subshell so we don't clobber the current shell's
109 # arguments. Must try -L first in case configure is actually a
110 # symlink; some systems play weird games with the mod time of symlinks
111 # (eg FreeBSD returns the mod time of the symlink's containing
114 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
115 if test "$[*]" = "X"; then
117 set X `ls -t $srcdir/configure conftest.file`
120 if test "$[*]" != "X $srcdir/configure conftest.file" \
121 && test "$[*]" != "X conftest.file $srcdir/configure"; then
123 # If neither matched, then we have a broken ls. This can happen
124 # if, for instance, CONFIG_SHELL is bash and it inherits a
125 # broken ls alias from the environment. This has actually
126 # happened. Such a system could not be considered "sane".
127 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
128 alias in your environment])
131 test "$[2]" = conftest.file
137 AC_MSG_ERROR([newly created file is older than distributed files!
138 Check your system clock])
145 # AM_MISSING_PROG(NAME, PROGRAM)
146 # ------------------------------
147 AC_DEFUN([AM_MISSING_PROG],
148 [AC_REQUIRE([AM_MISSING_HAS_RUN])
149 $1=${$1-"${am_missing_run}$2"}
153 # AM_MISSING_INSTALL_SH
154 # ---------------------
155 # Like AM_MISSING_PROG, but only looks for install-sh.
156 AC_DEFUN([AM_MISSING_INSTALL_SH],
157 [AC_REQUIRE([AM_MISSING_HAS_RUN])
158 if test -z "$install_sh"; then
159 for install_sh in "$ac_aux_dir/install-sh" \
160 "$ac_aux_dir/install.sh" \
161 "${am_missing_run}${ac_auxdir}/install-sh";
163 test -f "$install_sh" && break
165 # FIXME: an evil hack: we remove the SHELL invocation from
166 # install_sh because automake adds it back in. Sigh.
167 install_sh=`echo $install_sh | sed -e 's/\${SHELL}//'`
169 AC_SUBST(install_sh)])
174 # Define MISSING if not defined so far and test if it supports --run.
175 # If it does, set am_missing_run to use it, otherwise, to nothing.
176 AC_DEFUN([AM_MISSING_HAS_RUN],
177 [test x"${MISSING+set}" = xset ||
178 MISSING="\${SHELL} `CDPATH=:; cd $ac_aux_dir && pwd`/missing"
179 # Use eval to expand $SHELL
180 if eval "$MISSING --run true"; then
181 am_missing_run="$MISSING --run "
185 AC_MSG_WARN([${am_backtick}missing' script is too old or missing])
191 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
192 # $ac_aux_dir to ${srcdir}/foo. In other projects, it is set to `.'.
193 # Of course, Automake must honor this variable whenever it call a tool
194 # from the auxiliary directory. The problem is that $srcdir (hence
195 # $ac_aux_dir) can be either an absolute path or a path relative to
196 # $top_srcdir or absolute, this depends on how configure is run. This
197 # is pretty anoying since it makes $ac_aux_dir quite unusable in
198 # subdirectories: on the top source directory, any form will work
199 # fine, but in subdirectories relative pat needs to be adapted.
200 # - calling $top_srcidr/$ac_aux_dir/missing would success if $srcdir is
201 # relative, but fail if $srcdir is absolute
202 # - conversly, calling $ax_aux_dir/missing would fail if $srcdir is
203 # absolute, and success on relative paths.
205 # Consequently, we define and use $am_aux_dir, the "always absolute"
206 # version of $ac_aux_dir.
208 AC_DEFUN([AM_AUX_DIR_EXPAND], [
209 # expand $ac_aux_dir to an absolute path
210 am_aux_dir=`CDPATH=:; cd $ac_aux_dir && pwd`
213 # One issue with vendor `install' (even GNU) is that you can't
214 # specify the program used to strip binaries. This is especially
215 # annoying in cross-compiling environments, where the build's strip
216 # is unlikely to handle the host's binaries.
217 # Fortunately install-sh will honor a STRIPPROG variable, so we
218 # always use install-sh in `make install-strip', and initialize
219 # STRIPPROG with the value of the STRIP variable (set by the user).
220 AC_DEFUN([AM_PROG_INSTALL_STRIP],
221 [AC_REQUIRE([AM_MISSING_INSTALL_SH])dnl
222 _am_dirpart="`echo $install_sh | sed -e 's,//*[[^/]]*$,,'`"
223 INSTALL_STRIP_PROGRAM="\${SHELL} \`CDPATH=: && cd $_am_dirpart && pwd\`/install-sh -c -s"
224 AC_SUBST([INSTALL_STRIP_PROGRAM])])
228 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
229 # written in clear, in which case automake, when reading aclocal.m4,
230 # will think it sees a *use*, and therefore will trigger all it's
231 # C support machinery. Also note that it means that autoscan, seeing
232 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
234 # AM_DEPENDENCIES(NAME)
235 # ---------------------
236 # See how the compiler implements dependency checking.
237 # NAME is "CC", "CXX" or "OBJC".
238 # We try a few techniques and use that to set a single cache variable.
239 AC_DEFUN([AM_DEPENDENCIES],
240 [AC_REQUIRE([AM_SET_DEPDIR])dnl
241 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
244 [AC_REQUIRE([AC_PROG_][CC])dnl
245 AC_REQUIRE([AC_PROG_][CPP])
248 [$1], CXX, [AC_REQUIRE([AC_PROG_][CXX])dnl
249 AC_REQUIRE([AC_PROG_][CXXCPP])
252 [$1], OBJC, [am_compiler_list='gcc3 gcc'
255 [$1], GCJ, [am_compiler_list='gcc3 gcc'
258 [AC_REQUIRE([AC_PROG_][$1])dnl
262 AC_REQUIRE([AM_MAKE_INCLUDE])
263 AC_REQUIRE([AM_DEP_TRACK])
265 AC_CACHE_CHECK([dependency style of $depcc],
266 [am_cv_$1_dependencies_compiler_type],
267 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
268 # We make a subdir and do the tests there. Otherwise we can end up
269 # making bogus files that we don't know about and never remove. For
270 # instance it was reported that on HP-UX the gcc test will end up
271 # making a dummy file named `D' -- because `-MD' means `put the output
274 # Copy depcomp to subdir because otherwise we won't find it if we're
275 # using a relative directory.
276 cp "$am_depcomp" confdir
279 am_cv_$1_dependencies_compiler_type=none
280 if test "$am_compiler_list" = ""; then
281 am_compiler_list="`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`"
283 for depmode in $am_compiler_list; do
284 # We need to recreate these files for each test, as the compiler may
285 # overwrite some of them when testing with obscure command lines.
286 # This happens at least with the AIX C compiler.
287 echo '#include "conftest.h"' > conftest.c
288 echo 'int i;' > conftest.h
292 # after this tag, mechanisms are not by side-effect, so they'll
293 # only be used when explicitly requested
294 if test "x$enable_dependency_tracking" = xyes; then
302 # We check with `-c' and `-o' for the sake of the "dashmstdout"
303 # mode. It turns out that the SunPro C++ compiler does not properly
304 # handle `-M -o', and we need to detect this.
305 if depmode="$depmode" \
306 source=conftest.c object=conftest.o \
307 depfile=conftest.Po tmpdepfile=conftest.TPo \
308 $SHELL ./depcomp $depcc -c conftest.c -o conftest.o >/dev/null 2>&1 &&
309 grep conftest.h conftest.Po > /dev/null 2>&1; then
310 am_cv_$1_dependencies_compiler_type="$depmode"
318 am_cv_$1_dependencies_compiler_type=none
321 $1DEPMODE="depmode=$am_cv_$1_dependencies_compiler_type"
322 AC_SUBST([$1DEPMODE])
328 # Choose a directory name for dependency files.
329 # This macro is AC_REQUIREd in AM_DEPENDENCIES
330 AC_DEFUN([AM_SET_DEPDIR],
331 [if test -d .deps || mkdir .deps 2> /dev/null || test -d .deps; then
333 # We redirect because .deps might already exist and be populated.
334 # In this situation we don't want to see an error.
335 rmdir .deps > /dev/null 2>&1
345 AC_DEFUN([AM_DEP_TRACK],
346 [AC_ARG_ENABLE(dependency-tracking,
347 [ --disable-dependency-tracking Speeds up one-time builds
348 --enable-dependency-tracking Do not reject slow dependency extractors])
349 if test "x$enable_dependency_tracking" != xno; then
350 am_depcomp="$ac_aux_dir/depcomp"
353 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
354 pushdef([subst], defn([AC_SUBST]))
355 subst(AMDEPBACKSLASH)
359 # Generate code to set up dependency tracking.
360 # This macro should only be invoked once -- use via AC_REQUIRE.
362 # AM_OUTPUT_DEPENDENCY_COMMANDS
365 # This code is only required when automatic dependency tracking
366 # is enabled. FIXME. This creates each `.P' file that we will
367 # need in order to bootstrap the dependency handling code.
368 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],[
370 test x"$AMDEP_TRUE" != x"" ||
371 for mf in $CONFIG_FILES; do
373 Makefile) dirpart=.;;
374 */Makefile) dirpart=`echo "$mf" | sed -e 's|/[^/]*$||'`;;
377 grep '^DEP_FILES *= *[^ #]' < "$mf" > /dev/null || continue
378 # Extract the definition of DEP_FILES from the Makefile without
380 DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"`
381 test -z "$DEPDIR" && continue
382 # When using ansi2knr, U may be empty or an underscore; expand it
383 U=`sed -n -e '/^U = / s///p' < "$mf"`
384 test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR"
385 # We invoke sed twice because it is the simplest approach to
386 # changing $(DEPDIR) to its actual value in the expansion.
387 for file in `sed -n -e '
388 /^DEP_FILES = .*\\\\$/ {
397 /^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \
398 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
399 # Make sure the directory exists.
400 test -f "$dirpart/$file" && continue
401 fdir=`echo "$file" | sed -e 's|/[^/]*$||'`
402 $ac_aux_dir/mkinstalldirs "$dirpart/$fdir" > /dev/null 2>&1
403 # echo "creating $dirpart/$file"
404 echo '# dummy' > "$dirpart/$file"
407 ], [AMDEP_TRUE="$AMDEP_TRUE"
408 ac_aux_dir="$ac_aux_dir"])])
412 # Check to see how make treats includes.
413 AC_DEFUN([AM_MAKE_INCLUDE],
414 [am_make=${MAKE-make}
415 cat > confinc << 'END'
419 # If we don't find an include directive, just comment out the code.
420 AC_MSG_CHECKING([for style of include used by $am_make])
424 # First try GNU make style include.
425 echo "include confinc" > confmf
426 # We grep out `Entering directory' and `Leaving directory'
427 # messages which can occur if `w' ends up in MAKEFLAGS.
428 # In particular we don't look at `^make:' because GNU make might
429 # be invoked under some other name (usually "gmake"), in which
430 # case it prints its new name instead of `make'.
431 if test "`$am_make -s -f confmf 2> /dev/null | fgrep -v 'ing directory'`" = "done"; then
436 # Now try BSD make style include.
437 if test "$_am_include" = "#"; then
438 echo '.include "confinc"' > confmf
439 if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
445 AC_SUBST(_am_include)
447 AC_MSG_RESULT($_am_result)
453 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
454 # -------------------------------------
455 # Define a conditional.
457 # FIXME: Once using 2.50, use this:
458 # m4_match([$1], [^TRUE\|FALSE$], [AC_FATAL([$0: invalid condition: $1])])dnl
459 AC_DEFUN([AM_CONDITIONAL],
460 [ifelse([$1], [TRUE],
461 [errprint(__file__:__line__: [$0: invalid condition: $1
464 ifelse([$1], [FALSE],
465 [errprint(__file__:__line__: [$0: invalid condition: $1