1 # Process this file with autoconf to produce a configure script.
3 # Copyright (C) 1995-2012 Free Software Foundation, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2, or (at your option)
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 AC_INIT([GNU Automake], [1.12.0b], [bug-automake@gnu.org])
21 AC_CONFIG_SRCDIR([automake.in])
22 AC_CONFIG_AUX_DIR([lib])
24 AM_SILENT_RULES([yes])
29 # Save the AUTOCONF setting before AM_INIT_AUTOMAKE overrides it; this
30 # way we can run Autoconf tests from configure (or from the test
31 # suite) without being bothered by 'missing'. Likewise for autom4te,
32 # autoreconf, autoheader, and autoupdate.
33 AC_SUBST([am_AUTOCONF], ["${AUTOCONF-autoconf}"])
34 AC_SUBST([am_AUTOM4TE], ["${AUTOM4TE-autom4te}"])
35 AC_SUBST([am_AUTORECONF], ["${AUTORECONF-autoreconf}"])
36 AC_SUBST([am_AUTOHEADER], ["${AUTOHEADER-autoheader}"])
37 AC_SUBST([am_AUTOUPDATE], ["${AUTOUPDATE-autoupdate}"])
39 dnl We call AC_PROG_CC in an unusual way, and only for use in our
40 dnl testsuite, so also use 'no-dependencies' and 'no-define' among
41 dnl the automake options to avoid bloating and potential problems.
42 AM_INIT_AUTOMAKE([dist-xz filename-length-max=99 color-tests
43 parallel-tests silent-rules no-define no-dependencies])
45 ## Keep this on a line of its own, since it must be found and processed
46 ## by the 'update-copyright' rule in our Makefile.
48 AC_SUBST([RELEASE_YEAR])
50 # The API version is the base version. We must guarantee
51 # compatibility for all releases with the same API version.
52 # Our current rule is that:
53 # * All releases, including the prereleases, in an X.Y series
54 # are compatible. So 1.5.1c is compatible with 1.5.
55 # * Prereleases on the trunk are all incompatible -- 1.5b and 1.5c
57 APIVERSION=`echo "$VERSION" | sed -e 's/^\([[0-9]]*\.[[0-9]]*[[a-z]]*\).*$/\1/'`
58 AC_SUBST([APIVERSION])
60 AC_SUBST([pkgvdatadir], ["\${datadir}/$PACKAGE-$APIVERSION"])
61 AC_SUBST([scriptdir], ["\${pkgvdatadir}"])
62 AC_SUBST([amdir], ["\${pkgvdatadir}/am"])
63 AC_SUBST([automake_acdir], ["\${datadir}/aclocal-$APIVERSION"])
64 AC_SUBST([system_acdir], ["\${datadir}/aclocal"])
66 # $AUTOMAKE and $ACLOCAL are always run after a "cd $top_srcdir",
67 # hence '.' is really what we want for perllibdir, libdir, and acdir.
68 ACLOCAL="perllibdir=\"`pwd`/lib$PATH_SEPARATOR./lib\" \"`pwd`/aclocal\" --acdir=m4 -I m4"
69 AUTOMAKE="perllibdir=\"`pwd`/lib$PATH_SEPARATOR./lib\" \"`pwd`/automake\" --libdir=lib"
71 AC_PATH_PROG([PERL], [perl])
72 if test -z "$PERL"; then
73 AC_MSG_ERROR([perl not found])
75 # Save details about the selected perl interpreter in config.log.
76 AM_RUN_LOG([$PERL --version])
77 $PERL -e 'require 5.006;' || {
79 [perl 5.6 or better is required; perl 5.8.2 or better
80 is recommended. If you have several perl versions
81 installed, select the one Automake should use using
82 ./configure PERL=/path/to/perl])
85 # We require ithreads support, and version 5.7.2 for CLONE.
86 AC_CACHE_CHECK([whether $PERL supports ithreads], [am_cv_prog_PERL_ithreads],
90 if ($Config{useithreads})
94 require Thread::Queue;
98 exit 1;' >&AS_MESSAGE_LOG_FD 2>&1
100 am_cv_prog_PERL_ithreads=yes
102 am_cv_prog_PERL_ithreads=no
104 if test $am_cv_prog_PERL_ithreads = yes; then
109 AC_SUBST([PERL_THREADS])
111 # The test suite will skip some tests if tex is absent.
112 AC_CHECK_PROG([TEX], [tex], [tex])
113 # Save details about the selected TeX program in config.log.
114 # Redirect input from /dev/null, as TeX might otherwise hang waiting
115 # for input from the terminal.
116 AM_RUN_LOG([$TEX --version </dev/null])
118 # The test suite will skip some tests if no lex or yacc program is
120 # We don't use AC_PROG_LEX nor AC_PROG_YACC here because:
121 # 1. we don't want flex (resp. bison) to be preferred to system lex
122 # (resp. system yacc);
123 # 2. we don't want $LEX (resp. $YACC) to be defined to ':' (resp. 'yacc')
125 # 3. we prefer not to have the variables YFLAGS, LEX_OUTPUT_ROOT and
126 # LEXLIB to be calculated and/or AC_SUBST'd;
127 # 4. we prefer that the YACC and LEX variables are not reported in the
128 # configure help screen.
129 AC_CHECK_PROGS([YACC], [yacc byacc 'bison -y'], [false])
130 AC_CHECK_PROGS([LEX], [lex flex], [false])
132 # Test for Autoconf. We run Autoconf in a subdirectory to ease
133 # deletion of any files created (such as those added to
134 # autom4te.cache). We used to perform only the last of the three
135 # following tests, but some users were unable to figure out that their
136 # installation was broken since --version appeared to work.
138 required_autoconf_version=2.62
139 AC_CACHE_CHECK([whether autoconf is installed], [am_cv_autoconf_installed],
140 [if AM_RUN_LOG([$am_AUTOCONF --version]);
142 am_cv_autoconf_installed=yes
144 am_cv_autoconf_installed=no
146 if test "$am_cv_autoconf_installed" = no; then
147 AC_MSG_ERROR([Autoconf $required_autoconf_version or better is required.
148 Please make sure it is installed and in your PATH.])
151 AC_CACHE_CHECK([whether autoconf works], [am_cv_autoconf_works],
153 echo 'AC''_INIT' > conftest/conftest.ac
154 if AM_RUN_LOG([cd conftest && $am_AUTOCONF -o /dev/null conftest.ac]);
156 am_cv_autoconf_works=yes
158 am_cv_autoconf_works=no
161 if test "$am_cv_autoconf_works" = no; then
162 AC_MSG_ERROR([The installed version of autoconf does not work.
163 Please check config.log for error messages before this one.])
166 AC_CACHE_CHECK([whether autoconf is recent enough], [am_cv_autoconf_version],
168 dnl Creative quoting required to avoid spurious expansion of AC_PREREQ macro
169 echo 'AC'"_PREREQ([[$required_autoconf_version]])" > conftest/conftest.ac
170 if AM_RUN_LOG([cd conftest && $am_AUTOCONF -o /dev/null conftest.ac]);
172 am_cv_autoconf_version=yes
174 am_cv_autoconf_version=no
177 if test "$am_cv_autoconf_version" = no; then
178 AC_MSG_ERROR([Autoconf $required_autoconf_version or better is required.])
181 # Test for ln. We need use it to install the versioned binaries.
182 AC_MSG_CHECKING([whether ln works])
183 AC_CACHE_VAL([am_cv_prog_ln], [
184 rm -f conftest conftest.file
186 if ln conftest.file conftest 2>/dev/null; then
189 am_cv_prog_ln='cp -p'
191 rm -f conftest conftest.file])
192 AC_SUBST([LN], [$am_cv_prog_ln])
194 test "x$am_cv_prog_ln" = xln && result=yes
195 AC_MSG_RESULT([$result])
197 # The amount we should wait after modifying files depends on the platform.
198 # On Windows '95, '98 and ME, files modifications have 2-seconds
199 # granularity and can be up to 3 seconds in the future w.r.t. the
200 # system clock. When it is important to ensure one file is older
201 # than another we wait at least 5 seconds between creations.
203 *-pc-msdosdjgpp) MODIFICATION_DELAY=5;;
204 *) MODIFICATION_DELAY=2;;
206 AC_SUBST([MODIFICATION_DELAY])
208 ## ------------------------------------------- ##
209 ## Test for things needed by the test suite. ##
210 ## ------------------------------------------- ##
215 dnl FIXME: could we extract this in a simpler way through autoconf
216 dnl FIXME: idioms or internals?
218 [_AM_INIT_BOURNE_COMPATIBLE_VAR],
219 [am_bourne_compatible="AS_ESCAPE(_m4_expand([AS_BOURNE_COMPATIBLE]))"])
222 dnl Arguments to this macro:
224 dnl $1 - shell to test
225 dnl $2 - description of the tested feature
226 dnl $3 - shell code used to check the feature; to indicate success,
227 dnl it can either exit with status 77, or have the last command
228 dnl returning with exit status of zero
229 dnl $4 - shell code to execute if the check on the shell is successful
230 dnl (defaults to nothing)
231 dnl $5 - shell code to execute if the check on the shell is not
232 dnl successful (defaults to nothing)
234 AC_DEFUN([_AM_CHECK_SHELL_FEATURE],
235 [AC_REQUIRE([_AM_INIT_BOURNE_COMPATIBLE_VAR])
236 AC_MSG_CHECKING([whether $1 $2])
237 if { $1 -c "$am_bourne_compatible
239 test \$? -eq 0 || exit 1
240 # Use 77 to indicate success (rather than 0), in case some shell
241 # acts like Solaris 10's /bin/sh, exiting successfully on some
243 exit 77" >&AS_MESSAGE_LOG_FD 2>&1; test $? -eq 77; }
252 # AM_CHECK_CANDIDATE_TEST_SHELL(SHELL-PATH)
253 # -----------------------------------------
255 # Check if the given shell is good enough to run our test scripts.
256 # Inspired to gnulib's 'tests/init.sh'.
258 # We require POSIX and XSI features (e.g., '$(...)' for command
259 # substitutions, '$((...))' for shell arithmetic, and support for
260 # '${var#...}' and '${var%...}' parameter expansions).
262 # We require that the shell can correctly trap EXIT when 'set -e' is in
263 # effect (OSF1/Tru64 sh failed to do so, see commit v1.10b-52-g9fe8259).
265 # We also prefer shells that, when 'set -x' is in effect, do not also
266 # redirect traces upon stderr redirections. For example,
267 # $ set -x; echo x 2>file
268 # would emit "+ echo x" into file with older zsh versions. Similarly,
269 # $ set -x; P=1 true 2>file
270 # would emit "P=1" into file with /usr/xpg4/bin/sh from Solaris 10 and
271 # /bin/sh from SunOS 5.11 and OpenBSD 4.7.
273 # Finally, we look for weird bugs and portability problems mentioned in
274 # the Autoconf manual, and reject shells that suffers from them. (TODO)
276 # Use '$am_score' to indicate the degree of acceptability of the shell.
277 # A score of "10" means that the shell is good enough for our needs;
278 # a score of "9" means that the shell has some minor bugs or limitation,
279 # but is still (barely) acceptable for our uses. Any other score means
280 # that the shell is broken or unfit.
282 AC_DEFUN([_AM_CHECK_CANDIDATE_SHELL],
286 _AM_CHECK_SHELL_FEATURE([$1],
288 [test "$(echo x)" = x],
289 [], [am_score=1; break])
291 _AM_CHECK_SHELL_FEATURE([$1],
292 [supports \$((expr))],
293 [test $((1 + 2 * 3)) = 7],
294 [], [am_score=1; break])
296 _AM_CHECK_SHELL_FEATURE([$1],
297 [supports \${var@%:@glob}],
298 [v=a/b/c; test ${v@%:@*/} = b/c],
299 [], [am_score=1; break])
301 _AM_CHECK_SHELL_FEATURE([$1],
302 [supports \${var@%:@@%:@glob}],
303 [v=a/b/c; test ${v@%:@@%:@*/} = c],
304 [], [am_score=1; break])
306 _AM_CHECK_SHELL_FEATURE([$1],
307 [supports \${var%glob}],
308 [v=a.b.c; test ${v%.*} = a.b],
309 [], [am_score=1; break])
311 _AM_CHECK_SHELL_FEATURE([$1],
312 [supports \${var%%glob}],
313 [v=a.b.c; test ${v%%.*} = a],
314 [], [am_score=1; break])
316 _AM_CHECK_SHELL_FEATURE([$1],
317 ["set -e" preserves exit traps],
318 [set -e; trap 'exit $?' 0; (exit 77); exit 77],
319 [], [am_score=1; break])
321 _AM_CHECK_SHELL_FEATURE([$1],
322 ["set -x" corrupts stderr],
323 [(set -x; P=1 true 2>&3) 3>&1 2>/dev/null | grep P=1],
329 # These messages only goes to the config.log file.
330 AC_MSG_NOTICE([will now look for a sturdy POSIX shell, for our testsuite])
333 [ac_cv_AM_TEST_RUNNER_SHELL],
334 [if test "$AM_TEST_RUNNER_SHELL"; then
335 # Let the user override it.
336 ac_cv_AM_TEST_RUNNER_SHELL=$AM_TEST_RUNNER_SHELL
338 ac_cv_AM_TEST_RUNNER_SHELL=no
339 am_candidate_shells=${CONFIG_SHELL-}
340 # For the benefit of Solaris.
341 am_PATH=$PATH$PATH_SEPARATOR/usr/xpg6/bin$PATH_SEPARATOR/usr/xpg4/bin
342 for am_sh in sh sh5 dash ash bash zsh ksh pdksh; do
343 AC_PATH_PROG([am_candidate_sh], [$am_sh], [], [$am_PATH])
344 if test -n "$am_candidate_sh"; then
345 am_candidate_shells="$am_candidate_shells $am_candidate_sh"
347 AM_SUBST_NOTMAKE([am_candidate_sh])
348 # Must nullify these in order not to interfere with the checks in
350 AS_UNSET([am_candidate_sh])
351 AS_UNSET([ac_cv_path_am_candidate_sh])
353 AS_UNSET([am_PATH]) # Not required anymore
354 for am_sh in $am_candidate_shells; do
356 _AM_CHECK_CANDIDATE_SHELL([$am_sh])
357 if test $am_score -eq 9; then
358 # The shell is barely acceptable for our needs. We might
359 # still find one that is even better, so continue looking.
360 AC_MSG_NOTICE([shell $am_sh is acceptable, but we might do better])
361 ac_cv_AM_TEST_RUNNER_SHELL=$am_sh
362 elif test $am_score -eq 10; then
363 AC_MSG_NOTICE([shell $am_sh is good enough, stop looking])
364 ac_cv_AM_TEST_RUNNER_SHELL=$am_sh
369 AM_TEST_RUNNER_SHELL=$ac_cv_AM_TEST_RUNNER_SHELL])
371 if test $AM_TEST_RUNNER_SHELL = no; then
372 AC_MSG_FAILURE([m4_normalize([no POSIX shell found that is good
373 enough to be used in our testsuite])])
375 AC_MSG_NOTICE([will use $AM_TEST_RUNNER_SHELL as the testsuite shell])
378 AC_ARG_VAR([AM_TEST_RUNNER_SHELL],
379 [a sturdy POSIX shell for our testsuite])
381 ## ---------------------- ##
382 ## Create output files. ##
383 ## ---------------------- ##
386 ###########################################################################
388 # Look for C, C++ and fortran compilers to be used in the testsuite.
390 dnl We don't want to abort our configuration script if no C compiler is
391 dnl available, as such a compiler is only required to run part of the
392 dnl testsuite, not to build or install Automake. Ditto for C++, Fortran
393 dnl and Fortran 77 compilers. Unfortunately, autoconf does not offer an
394 dnl easy way to obtain this behaviour, so we'll need a few hacks.
396 dnl We want the body of this macro to expand as a single shell statement,
397 dnl thus we wrap it into { ... } brackets.
398 AC_DEFUN([_AM_WRAP_MSG_ERROR], [ {
404 AC_DEFUN([_AM_COMPILER_CAN_FAIL], [
405 m4_pushdef([AC_MSG_FAILURE], m4_defn([_AM_WRAP_MSG_ERROR]))
406 m4_pushdef([AC_MSG_ERROR], m4_defn([_AM_WRAP_MSG_ERROR]))
412 AS_IF([test $am__failed = yes], [$2])
413 # We have to clear these cache variables, so that future checks on
414 # compilers for different languages won't be confused.
415 unset ac_cv_objext ac_cv_exeext
416 # We also need to meddle with the autoconf internals to ensure that
417 # checks to find object and executable extensions will be run anew.
418 # FIXME: In the long run, the better thing to do would be to fix
419 # FIXME: autoconf instead ...
420 m4_undefine([m4_provide(_AC_COMPILER_OBJEXT)])
421 m4_undefine([m4_provide(_AC_COMPILER_EXEEXT)])
422 m4_popdef([AC_MSG_FAILURE])
423 m4_popdef([AC_MSG_ERROR])
426 AC_DEFUN([_AM_SKIP_COMP_TESTS],
427 [AC_MSG_NOTICE([tests requiring the $1 compiler will be skipped])])
429 # Prefer generic compilers to GNU ones when possible. This will ensure
430 # more testsuite coverage "in the wild".
431 # Note that we don't look for the MSVC C/C++ compiler here. This is
432 # deliberate; for more discussion and rationale, see:
433 # <http://lists.gnu.org/archive/html/automake-patches/2012-01/msg00130.html>
435 AC_MSG_NOTICE([will now look for generic compilers])
438 _AM_COMPILER_CAN_FAIL(dnl
439 [AC_PROG_CC([cc gcc])],
440 [CC=false; _AM_SKIP_COMP_TESTS([C])])
442 AS_IF([test x"$GCC" = x"yes"], [am_CC_is_GNU=yes], [am_CC_is_GNU=no])
444 # The list of C++ compilers here has been copied, pasted and edited
445 # from 'lib/autoconf/c.m4:AC_PROG_CXX' in the Autoconf distribution.
446 # Keep it in sync, or better again, find out a way to avoid this code
448 _AM_COMPILER_CAN_FAIL([AC_PROG_CXX(dnl
449 [aCC CC FCC KCC RCC xlC_r xlC c++ cxx cc++ gpp g++])],
450 [CXX=false; _AM_SKIP_COMP_TESTS([C++])])
452 AS_IF([test x"$GXX" = x"yes"], [am_CXX_is_GNU=yes], [am_CXX_is_GNU=no])
454 # The lists of Fortran compilers here has been copied, pasted and edited
455 # from file 'lib/autoconf/fortran.m4' in the Autoconf distribution.
456 # Keep it in sync, or better again, find out a way to avoid this code
459 _AM_COMPILER_CAN_FAIL([AC_PROG_FC(dnl
460 [xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn nagfor] dnl
461 [xlf90 f90 pgf90 pghpf epcf90 g95 gfortran])],
462 [FC=false; _AM_SKIP_COMP_TESTS([Fortran])])
464 AS_IF([test x"$GFC" = x"yes"], [am_FC_is_GNU=yes], [am_FC_is_GNU=no])
466 _AM_COMPILER_CAN_FAIL([AC_PROG_F77(dnl
467 [xlf f77 frt pgf77 cf77 fort77 fl32 af77 g77 gfortran])],
468 [F77=false; _AM_SKIP_COMP_TESTS([Fortran 77])])
470 AS_IF([test x"$G77" = x"yes"], [am_F77_is_GNU=yes], [am_F77_is_GNU=no])
472 # Some tests will need the GNU compilers. Searching for them here would
473 # be overkill, since our testsuite already handles their search and setup
474 # pretty well. But in case the compilers already found are the GNU ones,
475 # we want to use them in the testsuite where GNU compilers are required.
476 # Also, in case the compilers detected above (at configure time) are not
477 # the GNU ones, we cannot use the values of CFLAGS, CXXFLAGS, FCFLAGS and
478 # FFLAGS detected for them with the GNU compilers too, since it's likely
479 # they won't be compatible. So we allow the user to define variants of
480 # these variables for the GNU compilers separately.
482 AC_MSG_NOTICE([will now look for GNU compilers])
485 AC_ARG_VAR([GNU_CC], [GNU C compiler])
486 AC_ARG_VAR([GNU_CFLAGS], [GNU C compiler flags])
487 if test $am_CC_is_GNU = yes; then
488 AC_MSG_NOTICE([$CC is already a GNU C compiler])
489 GNU_CC=$CC GNU_CFLAGS=${GNU_CFLAGS-$CFLAGS}
491 AC_CHECK_TOOLS([GNU_CC], [gcc], [false])
493 AS_IF([AM_RUN_LOG([$GNU_CC --version && $GNU_CC -v])], [],
494 [AC_MSG_WARN([botched installation for GNU C compiler])
495 _AM_SKIP_COMP_TESTS([GNU C])])
498 AC_ARG_VAR([GNU_CXX], [GNU C++ compiler])
499 AC_ARG_VAR([GNU_CXXFLAGS], [GNU C++ compiler flags])
500 if test $am_CXX_is_GNU = yes; then
501 AC_MSG_NOTICE([$CXX is already a GNU C++ compiler])
503 GNU_CXXFLAGS=${GNU_CXXFLAGS-$CXXFLAGS}
505 AC_CHECK_TOOLS([GNU_CXX], [g++ gpp], [false])
507 AS_IF([AM_RUN_LOG([$GNU_CXX --version && $GNU_CXX -v])], [],
508 [AC_MSG_WARN([botched installation for GNU C++ compiler])
509 _AM_SKIP_COMP_TESTS([GNU C++])])
511 # GNU Fortran compiler.
512 AC_ARG_VAR([GNU_FC], [GNU Fortran compiler])
513 AC_ARG_VAR([GNU_FCFLAGS], [GNU Fortran compiler flags])
514 if test $am_FC_is_GNU = yes; then
515 AC_MSG_NOTICE([$FC is already a GNU Fortran compiler])
517 GNU_FCFLAGS=${GNU_FCFLAGS-$FCFLAGS}
519 AC_CHECK_TOOLS([GNU_FC], [gfortran], [false])
521 AS_IF([AM_RUN_LOG([$GNU_FC --version && $GNU_FC -v])], [],
522 [AC_MSG_WARN([botched installation for GNU Fortran compiler])
523 _AM_SKIP_COMP_TESTS([GNU Fortran])])
525 # GNU Fortran 77 compiler.
526 AC_ARG_VAR([GNU_F77], [GNU Fortran 77 compiler])
527 AC_ARG_VAR([GNU_FFLAGS], [GNU Fortran 77 compiler flags])
528 if test $am_F77_is_GNU = yes; then
529 AC_MSG_NOTICE([$F77 is already a GNU Fortran 77 compiler])
531 GNU_FFLAGS=${GNU_FFLAGS-$FFLAGS}
533 AC_CHECK_TOOLS([GNU_F77], [g77 gfortran], [false])
535 AS_IF([AM_RUN_LOG([$GNU_F77 --version && $GNU_F77 -v])], [],
536 [AC_MSG_WARN([botched installation for GNU Fortran 77 compiler])
537 _AM_SKIP_COMP_TESTS([GNU Fortran 77])])
540 AC_ARG_VAR([GNU_GCJ], [GNU Java compiler])
541 AC_ARG_VAR([GNU_GCJFLAGS], [GNU Java compiler flags])
542 AC_CHECK_TOOLS([GNU_GCJ], [gcj], [false])
543 AS_IF([AM_RUN_LOG([$GNU_GCJ --version && $GNU_GCJ -v])], [],
544 [AC_MSG_WARN([botched installation for GNU Java compiler])
545 _AM_SKIP_COMP_TESTS([GNU Java])])
547 # If we have been able to find at least a working compiler above, we
548 # know what the object and executable extensions for this platform are.
549 OBJEXT=${ac_cv_objext-UNKNOWN}
550 EXEEXT=${ac_cv_exeext-UNKNOWN}
554 ###########################################################################
556 AC_CONFIG_FILES([Makefile])
558 AC_CONFIG_LINKS([GNUmakefile:GNUmakefile])
559 AC_CONFIG_LINKS([defs:defs])
561 AC_CONFIG_FILES([t/wrap/aclocal-${APIVERSION}:t/wrap/aclocal.in],
562 [chmod +x t/wrap/aclocal-${APIVERSION}],
563 [APIVERSION=$APIVERSION])
564 AC_CONFIG_FILES([t/wrap/automake-${APIVERSION}:t/wrap/automake.in],
565 [chmod +x t/wrap/automake-${APIVERSION}],
566 [APIVERSION=$APIVERSION])
570 # Inform the user if this version of automake is a beta release or
571 # a development snapshot.
572 # According to HACKING, the version of a development snapshot should
573 # end with an "odd" letter (a, c, ...), the version of a test release
574 # should end wit an "even" letter (b, d, ...).
576 am_stable_version_rx='[[1-9]\.[0-9]+(\.[0-9]+)?]'
577 am_beta_version_rx="[$am_stable_version_rx[bdfhjlnprtvxz]]"
579 am_release_type=`AS_ECHO(["$PACKAGE_VERSION"]) | LC_ALL=C awk ["
580 /^$am_stable_version_rx$/ { print \"stable\"; exit(0); }
581 /^$am_beta_version_rx$/ { print \"beta version\"; exit(0); }
582 { print \"development snapshot\"; }"]`
584 test "$am_release_type" = stable || cat <<EOF
586 WARNING: You are about to use a $am_release_type of automake.
587 WARNING: It might easily suffer from new bugs or regressions.
588 WARNING: You are strongly advised not to use it in production code.
590 Please report bugs, problems and feedback to <AC_PACKAGE_BUGREPORT>.