1 # Process this file with autoconf to produce a configure script.
3 # Copyright (C) 1995-2018 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 <https://www.gnu.org/licenses/>.
19 AC_INIT([GNU Automake], [1.16], [bug-automake@gnu.org])
21 AC_CONFIG_SRCDIR([bin/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], ["${AUTOUPDATE-autoupdate}"])
39 dnl We call AC_PROG_CC in an unusual way, and only for use in our
40 dnl testsuite, so also use 'no-dependencies' and 'no-define' among
41 dnl the automake options to avoid bloating and potential problems.
42 AM_INIT_AUTOMAKE([-Wall -Werror dist-xz filename-length-max=99
43 no-define no-dependencies])
45 # Keep this on a line of its own, since it must be found and processed
46 # by the 'update-copyright' rule in our Makefile.
48 AC_SUBST([RELEASE_YEAR])
50 # The API version is the base version. We must guarantee
51 # compatibility for all releases with the same API version.
53 AC_SUBST([APIVERSION])
55 AC_SUBST([pkgvdatadir], ["\${datadir}/$PACKAGE-$APIVERSION"])
56 AC_SUBST([scriptdir], ["\${pkgvdatadir}"])
57 AC_SUBST([amdir], ["\${pkgvdatadir}/am"])
58 AC_SUBST([automake_acdir], ["\${datadir}/aclocal-$APIVERSION"])
59 AC_SUBST([system_acdir], ["\${datadir}/aclocal"])
61 # Our build system is bootstrapped with the bleeding-edge versions of
62 # aclocal and automake, hence the remake rules must use those versions
63 # as well. The extra quoting is to cater to cases when the build
64 # directory contains whitespace or shell metacharacters.
65 ACLOCAL="\"`pwd`/pre-inst-env\" aclocal-$APIVERSION"
66 AUTOMAKE="\"`pwd`/pre-inst-env\" automake-$APIVERSION"
70 AC_PATH_PROG([PERL], [perl])
71 if test -z "$PERL"; then
72 AC_MSG_ERROR([perl not found])
74 # Save details about the selected perl interpreter in config.log.
75 AM_RUN_LOG([$PERL --version])
76 $PERL -e 'require 5.006;' || {
78 [perl 5.6 or better is required; perl 5.8.2 or better
79 is recommended. If you have several perl versions
80 installed, select the one Automake should use using
81 ./configure PERL=/path/to/perl])
84 # The test suite will skip some tests if tex is absent.
85 AC_CHECK_PROG([TEX], [tex], [tex])
86 # Save details about the selected TeX program in config.log.
87 # Redirect input from /dev/null, as TeX might otherwise hang waiting
88 # for input from the terminal.
89 AM_RUN_LOG([$TEX --version </dev/null])
91 # The test suite will skip some tests if no lex or yacc program is
93 # We don't use AC_PROG_LEX nor AC_PROG_YACC here because:
94 # 1. we don't want flex (resp. bison) to be preferred to system lex
95 # (resp. system yacc);
96 # 2. we don't want $LEX (resp. $YACC) to be defined to ':' (resp. 'yacc')
98 # 3. we prefer not to have the variables YFLAGS, LEX_OUTPUT_ROOT and
99 # LEXLIB to be calculated and/or AC_SUBST'd;
100 # 4. we prefer that the YACC and LEX variables are not reported in the
101 # configure help screen.
102 AC_CHECK_PROGS([YACC], [yacc byacc 'bison -y'], [false])
103 AC_CHECK_PROGS([LEX], [lex flex], [false])
105 # Test for Autoconf. We run Autoconf in a subdirectory to ease
106 # deletion of any files created (such as those added to
107 # autom4te.cache). We used to perform only the last of the three
108 # following tests, but some users were unable to figure out that their
109 # installation was broken since --version appeared to work.
111 AC_SUBST([required_autoconf_version], [2.65])
112 AC_CACHE_CHECK([whether autoconf is installed], [am_cv_autoconf_installed],
113 [if AM_RUN_LOG([$am_AUTOCONF --version]);
115 am_cv_autoconf_installed=yes
117 am_cv_autoconf_installed=no
119 if test "$am_cv_autoconf_installed" = no; then
120 AC_MSG_ERROR([Autoconf $required_autoconf_version or better is required.
121 Please make sure it is installed and in your PATH.])
124 AC_CACHE_CHECK([whether autoconf works], [am_cv_autoconf_works],
126 echo 'AC''_INIT' > conftest/conftest.ac
127 if AM_RUN_LOG([cd conftest && $am_AUTOCONF -o /dev/null conftest.ac]);
129 am_cv_autoconf_works=yes
131 am_cv_autoconf_works=no
134 if test "$am_cv_autoconf_works" = no; then
135 AC_MSG_ERROR([The installed version of autoconf does not work.
136 Please check config.log for error messages before this one.])
139 AC_CACHE_CHECK([whether autoconf is recent enough], [am_cv_autoconf_version],
141 dnl Creative quoting required to avoid spurious expansion of AC_PREREQ macro
142 echo 'AC'"_PREREQ([[$required_autoconf_version]])" > conftest/conftest.ac
143 if AM_RUN_LOG([cd conftest && $am_AUTOCONF -o /dev/null conftest.ac]);
145 am_cv_autoconf_version=yes
147 am_cv_autoconf_version=no
150 if test "$am_cv_autoconf_version" = no; then
151 AC_MSG_ERROR([Autoconf $required_autoconf_version or better is required.])
154 # Test for ln. We need use it to install the versioned binaries.
155 AC_MSG_CHECKING([whether ln works])
156 AC_CACHE_VAL([am_cv_prog_ln], [
157 rm -f conftest conftest.file
159 if ln conftest.file conftest 2>/dev/null; then
162 am_cv_prog_ln='cp -p'
164 rm -f conftest conftest.file])
165 AC_SUBST([LN], [$am_cv_prog_ln])
167 test "x$am_cv_prog_ln" = xln && result=yes
168 AC_MSG_RESULT([$result])
170 # The amount we should wait after modifying files depends on the platform.
171 # On Windows '95, '98 and ME, files modifications have 2-seconds
172 # granularity and can be up to 3 seconds in the future w.r.t. the
173 # system clock. When it is important to ensure one file is older
174 # than another we wait at least 5 seconds between creations.
176 *-pc-msdosdjgpp) MODIFICATION_DELAY=5;;
177 *) MODIFICATION_DELAY=2;;
179 AC_SUBST([MODIFICATION_DELAY])
181 ## ------------------------------------------- ##
182 ## Test for things needed by the test suite. ##
183 ## ------------------------------------------- ##
188 dnl FIXME: could we extract this in a simpler way through autoconf
189 dnl FIXME: idioms or internals?
191 [_AM_INIT_BOURNE_COMPATIBLE_VAR],
192 [am_bourne_compatible="AS_ESCAPE(_m4_expand([AS_BOURNE_COMPATIBLE]))"])
195 dnl Arguments to this macro:
197 dnl $1 - shell to test
198 dnl $2 - description of the tested feature
199 dnl $3 - shell code used to check the feature; to indicate success,
200 dnl it can either exit with status 77, or have the last command
201 dnl returning with exit status of zero
202 dnl $4 - shell code to execute if the check on the shell is successful
203 dnl (defaults to nothing)
204 dnl $5 - shell code to execute if the check on the shell is not
205 dnl successful (defaults to nothing)
207 AC_DEFUN([_AM_CHECK_SHELL_FEATURE],
208 [AC_REQUIRE([_AM_INIT_BOURNE_COMPATIBLE_VAR])
209 AC_MSG_CHECKING([whether $1 $2])
210 if { $1 -c "$am_bourne_compatible
212 test \$? -eq 0 || exit 1
213 # Use 77 to indicate success (rather than 0), in case some shell
214 # acts like Solaris 10's /bin/sh, exiting successfully on some
216 exit 77" >&AS_MESSAGE_LOG_FD 2>&1; test $? -eq 77; }
225 # AM_CHECK_CANDIDATE_TEST_SHELL(SHELL-PATH)
226 # -----------------------------------------
228 # Check if the given shell is good enough to run our test scripts.
229 # Inspired to gnulib's 'tests/init.sh'.
231 # We require POSIX and XSI features (e.g., '$(...)' for command
232 # substitutions, '$((...))' for shell arithmetic, and support for
233 # '${var#...}' and '${var%...}' parameter expansions).
235 # We require that the shell can correctly trap EXIT when 'set -e' is in
236 # effect (OSF1/Tru64 sh failed to do so, see commit v1.10b-52-g9fe8259).
238 # We want to able to define shell aliases with the same name of shell
241 # We also prefer shells that, when 'set -x' is in effect, do not also
242 # redirect traces upon stderr redirections. For example,
243 # $ set -x; echo x 2>file
244 # would emit "+ echo x" into file with older zsh versions. Similarly,
245 # $ set -x; P=1 true 2>file
246 # would emit "P=1" into file with /usr/xpg4/bin/sh from Solaris 10 and
247 # /bin/sh from SunOS 5.11 and OpenBSD 4.7.
249 # Use '$am_score' to indicate the degree of acceptability of the shell.
250 # A score of "10" means that the shell is good enough for our needs;
251 # a score of "9" means that the shell has some minor bugs or limitation,
252 # but is still (barely) acceptable for our uses. Any other score means
253 # that the shell is broken or unfit.
255 AC_DEFUN([_AM_CHECK_CANDIDATE_SHELL],
259 _AM_CHECK_SHELL_FEATURE([$1],
261 [test "$(echo x)" = x],
262 [], [am_score=1; break])
264 _AM_CHECK_SHELL_FEATURE([$1],
265 [supports \$((expr))],
266 [test $((1 + 2 * 3)) = 7],
267 [], [am_score=1; break])
269 _AM_CHECK_SHELL_FEATURE([$1],
270 [supports \${@%:@var}],
271 [zero='' one='x' twelve=' foobar baz!' \
272 && test ${@%:@zero} -eq 0 \
273 && test ${@%:@one} -eq 1 \
274 && test ${@%:@twelve} -eq 12],
275 [], [am_score=1; break])
277 _AM_CHECK_SHELL_FEATURE([$1],
278 [supports \${var@%:@glob} and \${var%glob}],
280 && test ${v@%:@*/} = b/c \
281 && test ${v@%:@@%:@*/} = c \
282 && test ${v%/*} = a/b \
283 && test ${v%%/*} = a],
284 [], [am_score=1; break])
286 _AM_CHECK_SHELL_FEATURE([$1],
287 [preserves exit traps with "set -e"],
288 [set -e; trap 'exit $?' 0; (exit 77); exit 77],
289 [], [am_score=1; break])
291 _AM_CHECK_SHELL_FEATURE([$1],
292 [can define exit traps in a shell function],
293 [fail=0 && foo() { trap 'fail=1' 0; } && foo && test $fail = 0],
294 [], [am_score=1; break])
296 _AM_CHECK_SHELL_FEATURE([$1],
297 [corrupts stderr with "set -x"],
298 [(set -x; P=1 true 2>&3) 3>&1 2>/dev/null | grep P=1],
301 echo 'return 34' > conftest-return.sh
302 echo 'ok=no' >> conftest-return.sh
303 _AM_CHECK_SHELL_FEATURE([$1],
304 [can return early from "dot-sourced" files],
305 [ok=yes; . ./conftest-return.sh; test $? -eq 34 && test $ok = yes],
306 [rm -f conftest-return.sh],
307 [rm -f conftest-return.sh; am_score=1; break])
309 echo 'alias false=echo' > conftest-alias.sh
310 echo 'false && test "$(false 97)" = 97' >> conftest-alias.sh
311 _AM_CHECK_SHELL_FEATURE([$1],
312 [supports alias named like shell builtins],
313 [. ./conftest-alias.sh],
314 [rm -f conftest-alias.sh],
315 [rm -f conftest-alias.sh; am_score=1; break])
317 _AM_CHECK_SHELL_FEATURE([$1],
318 [supports "test -e"],
319 [test -e config.log && test -e . && test ! -e nonesuch],
320 [], [am_score=1; break])
325 # These messages only goes to the config.log file.
326 AC_MSG_NOTICE([will now look for a sturdy POSIX shell, for our testsuite])
329 [ac_cv_AM_TEST_RUNNER_SHELL],
330 [if test "$AM_TEST_RUNNER_SHELL"; then
331 # Let the user override it.
332 ac_cv_AM_TEST_RUNNER_SHELL=$AM_TEST_RUNNER_SHELL
334 ac_cv_AM_TEST_RUNNER_SHELL=no
335 am_candidate_shells=${CONFIG_SHELL-}
336 # For the benefit of Solaris.
337 am_PATH=$PATH$PATH_SEPARATOR/usr/xpg6/bin$PATH_SEPARATOR/usr/xpg4/bin
338 for am_sh in sh sh5 dash ash bash zsh ksh pdksh; do
339 AC_PATH_PROG([am_candidate_sh], [$am_sh], [], [$am_PATH])
340 if test -n "$am_candidate_sh"; then
341 am_candidate_shells="$am_candidate_shells $am_candidate_sh"
343 AM_SUBST_NOTMAKE([am_candidate_sh])
344 # Must nullify these in order not to interfere with the checks in
346 AS_UNSET([am_candidate_sh])
347 AS_UNSET([ac_cv_path_am_candidate_sh])
349 AS_UNSET([am_PATH]) # Not required anymore
350 for am_sh in $am_candidate_shells; do
352 _AM_CHECK_CANDIDATE_SHELL([$am_sh])
353 if test $am_score -eq 9; then
354 # The shell is barely acceptable for our needs. We might
355 # still find one that is even better, so continue looking.
356 AC_MSG_NOTICE([shell $am_sh is acceptable, but we might do better])
357 ac_cv_AM_TEST_RUNNER_SHELL=$am_sh
358 elif test $am_score -eq 10; then
359 AC_MSG_NOTICE([shell $am_sh is good enough, stop looking])
360 ac_cv_AM_TEST_RUNNER_SHELL=$am_sh
365 AM_TEST_RUNNER_SHELL=$ac_cv_AM_TEST_RUNNER_SHELL])
367 if test $AM_TEST_RUNNER_SHELL = no; then
368 AC_MSG_FAILURE([m4_normalize([no POSIX shell found that is good
369 enough to be used in our testsuite])])
371 AC_MSG_NOTICE([will use $AM_TEST_RUNNER_SHELL as the testsuite shell])
374 AC_ARG_VAR([AM_TEST_RUNNER_SHELL],
375 [a sturdy POSIX shell for our testsuite])
378 ###########################################################################
380 # Look for C, C++ and fortran compilers to be used in the testsuite.
382 dnl We don't want to abort our configuration script if no C compiler is
383 dnl available, as such a compiler is only required to run part of the
384 dnl testsuite, not to build or install Automake. Ditto for C++, Fortran
385 dnl and Fortran 77 compilers. Unfortunately, autoconf does not offer an
386 dnl easy way to obtain this behaviour, so we'll need a few hacks.
388 dnl We want the body of this macro to expand as a single shell statement,
389 dnl thus we wrap it into { ... } brackets.
390 AC_DEFUN([_AM_WRAP_MSG_ERROR], [ {
396 AC_DEFUN([_AM_COMPILER_CAN_FAIL], [
397 m4_pushdef([AC_MSG_FAILURE], m4_defn([_AM_WRAP_MSG_ERROR]))
398 m4_pushdef([AC_MSG_ERROR], m4_defn([_AM_WRAP_MSG_ERROR]))
404 AS_IF([test $am__failed = yes], [$2])
405 # We have to clear these cache variables, so that future checks on
406 # compilers for different languages won't be confused.
407 unset ac_cv_objext ac_cv_exeext
408 # We also need to meddle with the autoconf internals to ensure that
409 # checks to find object and executable extensions will be run anew.
410 # FIXME: In the long run, the better thing to do would be to fix
411 # FIXME: autoconf instead ...
412 m4_undefine([m4_provide(_AC_COMPILER_OBJEXT)])
413 m4_undefine([m4_provide(_AC_COMPILER_EXEEXT)])
414 m4_popdef([AC_MSG_FAILURE])
415 m4_popdef([AC_MSG_ERROR])
418 AC_DEFUN([_AM_SKIP_COMP_TESTS],
419 [AC_MSG_NOTICE([tests requiring the $1 compiler will be skipped])])
421 # Prefer generic compilers to GNU ones when possible. This will ensure
422 # more testsuite coverage "in the wild".
423 # Note that we don't look for the MSVC C/C++ compiler here. This is
424 # deliberate; for more discussion and rationale, see:
425 # <https://lists.gnu.org/archive/html/automake-patches/2012-01/msg00130.html>
427 AC_MSG_NOTICE([will now look for generic compilers])
430 _AM_COMPILER_CAN_FAIL(dnl
431 [AC_PROG_CC([cc gcc])],
432 [CC=false; _AM_SKIP_COMP_TESTS([C])])
434 AS_IF([test x"$GCC" = x"yes"], [am_CC_is_GNU=yes], [am_CC_is_GNU=no])
436 # On case-insensitive file systems (seen e.g. on Cygwin and Mac OS X)
437 # we must avoid looking for 'CC', because that would be the same as
438 # 'cc', and could cause $CXX to point to the C compiler, instead of
439 # to a C++ compiler as expected (see automake bugs #11893 and #10766).
440 # Similarly, we must avoid looking for 'RCC', as that can point to the
441 # Qt4 "Resource Compiler": <http://doc.qt.digia.com/4.2/rcc.html>
442 if test -f /bIn/rMdIr || test -f /uSr/bIn/rMdIr; then
443 # Case-insensitive file system, don't look for CC.
449 # The list of C++ compilers here has been copied, pasted and edited
450 # from 'lib/autoconf/c.m4:AC_PROG_CXX' in the Autoconf distribution.
451 # Keep it in sync, or better again, find out a way to avoid this code
453 _AM_COMPILER_CAN_FAIL([AC_PROG_CXX(dnl
454 [aCC $am_CC FCC KCC $am_RCC xlC_r xlC c++ cxx cc++ gpp g++])],
455 [CXX=false; _AM_SKIP_COMP_TESTS([C++])])
457 AS_IF([test x"$GXX" = x"yes"], [am_CXX_is_GNU=yes], [am_CXX_is_GNU=no])
459 # The lists of Fortran compilers here has been copied, pasted and edited
460 # from file 'lib/autoconf/fortran.m4' in the Autoconf distribution.
461 # Keep it in sync, or better again, find out a way to avoid this code
464 _AM_COMPILER_CAN_FAIL([AC_PROG_FC(dnl
465 [xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn nagfor] dnl
466 [xlf90 f90 pgf90 pghpf epcf90 g95 gfortran])],
467 [FC=false; _AM_SKIP_COMP_TESTS([Fortran])])
469 AS_IF([test x"$GFC" = x"yes"], [am_FC_is_GNU=yes], [am_FC_is_GNU=no])
471 _AM_COMPILER_CAN_FAIL([AC_PROG_F77(dnl
472 [xlf f77 frt pgf77 cf77 fort77 fl32 af77 g77 gfortran])],
473 [F77=false; _AM_SKIP_COMP_TESTS([Fortran 77])])
475 AS_IF([test x"$G77" = x"yes"], [am_F77_is_GNU=yes], [am_F77_is_GNU=no])
477 # Some tests will need the GNU compilers. Searching for them here would
478 # be overkill, since our testsuite already handles their search and setup
479 # pretty well. But in case the compilers already found are the GNU ones,
480 # we want to use them in the testsuite where GNU compilers are required.
481 # Also, in case the compilers detected above (at configure time) are not
482 # the GNU ones, we cannot use the values of CFLAGS, CXXFLAGS, FCFLAGS and
483 # FFLAGS detected for them with the GNU compilers too, since it's likely
484 # they won't be compatible. So we allow the user to define variants of
485 # these variables for the GNU compilers separately.
487 AC_MSG_NOTICE([will now look for GNU compilers])
490 AC_ARG_VAR([GNU_CC], [GNU C compiler])
491 AC_ARG_VAR([GNU_CFLAGS], [GNU C compiler flags])
492 if test $am_CC_is_GNU = yes; then
493 AC_MSG_NOTICE([$CC is already a GNU C compiler])
494 GNU_CC=$CC GNU_CFLAGS=${GNU_CFLAGS-$CFLAGS}
496 AC_CHECK_TOOLS([GNU_CC], [gcc], [false])
498 if test "$GNU_CC" != false; then
499 AS_IF([AM_RUN_LOG([$GNU_CC --version && $GNU_CC -v])], [],
500 [AC_MSG_WARN([botched installation for GNU C compiler])
501 _AM_SKIP_COMP_TESTS([GNU C])])
505 AC_ARG_VAR([GNU_CXX], [GNU C++ compiler])
506 AC_ARG_VAR([GNU_CXXFLAGS], [GNU C++ compiler flags])
507 if test $am_CXX_is_GNU = yes; then
508 AC_MSG_NOTICE([$CXX is already a GNU C++ compiler])
510 GNU_CXXFLAGS=${GNU_CXXFLAGS-$CXXFLAGS}
512 AC_CHECK_TOOLS([GNU_CXX], [g++ gpp], [false])
514 if test "$GNU_CXX" != false; then
515 AS_IF([AM_RUN_LOG([$GNU_CXX --version && $GNU_CXX -v])], [],
516 [AC_MSG_WARN([botched installation for GNU C++ compiler])
517 _AM_SKIP_COMP_TESTS([GNU C++])])
520 # GNU Fortran compiler.
521 AC_ARG_VAR([GNU_FC], [GNU Fortran compiler])
522 AC_ARG_VAR([GNU_FCFLAGS], [GNU Fortran compiler flags])
523 if test $am_FC_is_GNU = yes; then
524 AC_MSG_NOTICE([$FC is already a GNU Fortran compiler])
526 GNU_FCFLAGS=${GNU_FCFLAGS-$FCFLAGS}
528 AC_CHECK_TOOLS([GNU_FC], [gfortran], [false])
530 if test "$GNU_FC" != false; then
531 AS_IF([AM_RUN_LOG([$GNU_FC --version && $GNU_FC -v])], [],
532 [AC_MSG_WARN([botched installation for GNU Fortran compiler])
533 _AM_SKIP_COMP_TESTS([GNU Fortran])])
536 # GNU Fortran 77 compiler.
537 AC_ARG_VAR([GNU_F77], [GNU Fortran 77 compiler])
538 AC_ARG_VAR([GNU_FFLAGS], [GNU Fortran 77 compiler flags])
539 if test $am_F77_is_GNU = yes; then
540 AC_MSG_NOTICE([$F77 is already a GNU Fortran 77 compiler])
542 GNU_FFLAGS=${GNU_FFLAGS-$FFLAGS}
544 AC_CHECK_TOOLS([GNU_F77], [g77 gfortran], [false])
546 if test "$GNU_F77" != false; then
547 AS_IF([AM_RUN_LOG([$GNU_F77 --version && $GNU_F77 -v])], [],
548 [AC_MSG_WARN([botched installation for GNU Fortran 77 compiler])
549 _AM_SKIP_COMP_TESTS([GNU Fortran 77])])
553 AC_ARG_VAR([GNU_GCJ], [GNU Java compiler])
554 AC_ARG_VAR([GNU_GCJFLAGS], [GNU Java compiler flags])
555 AC_CHECK_TOOLS([GNU_GCJ], [gcj], [false])
556 if test "$GNU_GCJ" != false; then
557 AS_IF([AM_RUN_LOG([$GNU_GCJ --version && $GNU_GCJ -v])], [],
558 [AC_MSG_WARN([botched installation for GNU Java compiler])
559 _AM_SKIP_COMP_TESTS([GNU Java])])
562 # If we have been able to find at least a working compiler above, we
563 # know what the object and executable extensions for this platform are.
564 OBJEXT=${ac_cv_objext-UNKNOWN}
565 EXEEXT=${ac_cv_exeext-UNKNOWN}
569 ###########################################################################
571 ## ---------------------- ##
572 ## Create output files. ##
573 ## ---------------------- ##
575 AC_CONFIG_FILES([Makefile])
576 AC_CONFIG_LINKS([GNUmakefile:GNUmakefile])
577 AC_CONFIG_FILES([pre-inst-env], [chmod +x pre-inst-env])
580 # Inform the user if this version of automake is a beta release or
581 # a development snapshot.
582 # According to HACKING, the version of a development snapshot should
583 # end with an "odd" letter (a, c, ...), the version of a test release
584 # should end wit an "even" letter (b, d, ...).
586 am_stable_version_rx='[[1-9]\.[0-9]+(\.[0-9]+)?]'
587 am_beta_version_rx="[$am_stable_version_rx[bdfhjlnprtvxz]]"
589 am_release_type=`AS_ECHO(["$PACKAGE_VERSION"]) | LC_ALL=C awk ["
590 /^$am_stable_version_rx$/ { print \"stable\"; exit(0); }
591 /^$am_beta_version_rx$/ { print \"beta version\"; exit(0); }
592 { print \"development snapshot\"; }"]`
594 # '$silent' is set to yes if configure is passed the '--quiet' option.
595 test "$am_release_type" = stable || test "$silent" = yes || cat <<EOF
597 WARNING: You are about to use a $am_release_type of automake.
598 WARNING: It might easily suffer from new bugs or regressions.
599 WARNING: You are strongly advised not to use it in production code.
601 Please report bugs, problems and feedback to <AC_PACKAGE_BUGREPORT>.