# -*- Autotest -*- AT_BANNER([Autoconf base layer.]) # Copyright (C) 2000-2001, 2003, 2005-2017, 2020-2023 Free Software # Foundation, Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . ## ------------------------------- ## ## AC_REQUIRE: topological sort.. ## ## ------------------------------- ## # Check that dependencies are always properly honored. AT_SETUP([AC_REQUIRE: topological sort]) AT_KEYWORDS([m4@&t@_require]) AT_DATA([configure.ac], [[define([REQUIRE_AND_CHECK], [AC_REQUIRE([$1]) test -z "$m4@&t@_translit([$1], [A-Z], [a-z])" && AS_EXIT(1)]) AC_DEFUN([TEST1], [REQUIRE_AND_CHECK([TEST2a]) REQUIRE_AND_CHECK([TEST2b]) test1=set]) AC_DEFUN([TEST2a], [test2a=set]) AC_DEFUN([TEST2b], [REQUIRE_AND_CHECK([TEST3]) test2b=set]) AC_DEFUN([TEST3], [REQUIRE_AND_CHECK([TEST2a]) test3=set]) AS@&t@_INIT TEST1 test -z "$test1" && AC_MSG_ERROR([\$test1 is empty]) AS_EXIT(0) ]]) AT_CHECK_AUTOCONF([], [0], [], [[trailer.m4: warning: AC_INIT was never used trailer.m4: warning: AC_OUTPUT was never used ]]) AT_CHECK_CONFIGURE AT_CLEANUP ## --------------------------- ## ## AC_REQUIRE: error message. ## ## --------------------------- ## # Check that the message mentions AC_DEFUN, not m4_defun. AT_SETUP([AC_REQUIRE: error message]) AT_KEYWORDS([m4@&t@_require]) AT_DATA([configure.ac], [[AC_REQUIRE([AC_PROG_CC]) ]]) AT_CHECK_AUTOCONF([], [1], [], [[configure.ac:1: error: AC_REQUIRE(AC_PROG_CC): cannot be used outside of an AC_DEFUN'd macro configure.ac:1: the top level autom4te: error: m4 failed with exit status: 1 ]]) AT_CLEANUP ## ----------------------------------------------- ## ## AC_REQUIRE and AC_DEFUN_ONCE: Require, expand. ## ## ----------------------------------------------- ## AT_SETUP([AC_REQUIRE & AC_DEFUN_ONCE: [Require, expand]]) AT_KEYWORDS([m4@&t@_require m4@&t@_require_once]) AT_DATA([configure.ac], [[AC_DEFUN([TEST], [AC_REQUIRE([MULTI_TEST]) AC_REQUIRE([SINGLE_TEST])]) AC_DEFUN([MULTI_TEST], [multi_test=".$multi_test"]) AC_DEFUN_ONCE([SINGLE_TEST], [single_test=".$single_test"]) AS@&t@_INIT TEST TEST MULTI_TEST MULTI_TEST SINGLE_TEST SINGLE_TEST case $multi_test:$single_test in ...:. ) AS_EXIT(0);; ...:* ) AC_MSG_ERROR([DEFUN_ONCE is broken]);; *:. ) AC_MSG_ERROR([DEFUN is broken (Wow, congrats!)]);; esac ]]) AT_CHECK_AUTOCONF([], 0, [], [[trailer.m4: warning: AC_INIT was never used trailer.m4: warning: AC_OUTPUT was never used ]]) AT_CHECK_CONFIGURE AT_CLEANUP ## ----------------------------------------------- ## ## AC_REQUIRE and AC_DEFUN_ONCE: Expand, require. ## ## ----------------------------------------------- ## AT_SETUP([AC_REQUIRE & AC_DEFUN_ONCE: [Expand, require]]) AT_KEYWORDS([m4@&t@_require m4@&t@_require_once]) AT_DATA([configure.ac], [[AC_DEFUN([TEST], [AC_REQUIRE([MULTI_TEST]) AC_REQUIRE([SINGLE_TEST])]) AC_DEFUN([MULTI_TEST], [multi_test=".$multi_test"]) AC_DEFUN_ONCE([SINGLE_TEST], [single_test=".$single_test"]) AS@&t@_INIT MULTI_TEST MULTI_TEST SINGLE_TEST SINGLE_TEST TEST TEST case $multi_test:$single_test in ..:. ) AS_EXIT(0);; ..:* ) AC_MSG_ERROR([DEFUN_ONCE is broken]);; *:. ) AC_MSG_ERROR([DEFUN is broken (Wow, congrats!)]);; * ) AC_MSG_ERROR([received '$multi_test:$single_test']);; esac ]]) AT_CHECK_AUTOCONF([], 0, [], [[trailer.m4: warning: AC_INIT was never used trailer.m4: warning: AC_OUTPUT was never used ]]) AT_CHECK_CONFIGURE AT_CLEANUP ## ------------------------- ## ## AC_REQUIRE & AC_PROVIDE. ## ## ------------------------- ## AT_SETUP([AC_REQUIRE & AC_PROVIDE]) AT_KEYWORDS([m4@&t@_require]) AT_DATA([configure.ac], [[AC_DEFUN([TEST], [AC_REQUIRE([INNER_TEST])]) AC_DEFUN([INNER_TEST], [inner_test=".$inner_test"]) AS@&t@_INIT AC_PROVIDE([INNER_TEST]) TEST case $inner_test in "" ) AS_EXIT(0);; * ) AC_MSG_ERROR([received '$inner_test']);; esac ]]) AT_CHECK_AUTOCONF([], 0, [], [[trailer.m4: warning: AC_INIT was never used trailer.m4: warning: AC_OUTPUT was never used ]]) AT_CHECK_CONFIGURE AT_CLEANUP ## -------- ## ## AC_INIT. ## ## -------- ## # Make sure AC_INIT sets PACKAGE_TARNAME properly. AT_SETUP([AC_INIT]) AT_DATA([configure.ac], [[AC_INIT([GNU fu], [1.0], [bug-fu@gnu.org]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE([-q]) # Ensure we get the expected definition: AT_CHECK([grep "^PACKAGE_TARNAME='fu'\$" configure], [], [ignore]) AT_CLEANUP ## ------------------------------- ## ## AC_INIT (obsolete invocation). ## ## ------------------------------- ## # When AC_INIT is called with only one argument, it is equivalent to # passing that argument to AC_CONFIG_SRCDIR and then calling AC_INIT # with _no_ arguments. In particular, PACKAGE should _not_ be set # to whatever the first argument is. AT_SETUP([AC_INIT (obsolete invocation)]) AT_DATA([configure.ac], [[AC_INIT([program.c]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF # Ensure we get the expected definition: AT_CHECK([grep "^PACKAGE_NAME=''\$" configure], [], [ignore]) # Running autoconf right now should fail because program.c doesn't exist. AT_CHECK_CONFIGURE([], [1], [], [[configure: error: cannot find sources (program.c) in . or .. ]]) # Create program.c and then it should be fine. AT_DATA([program.c]) AT_CHECK_CONFIGURE AT_CLEANUP ## ------------------------------------- ## ## AC_INIT with unusual version strings. ## ## ------------------------------------- ## AT_SETUP([AC_INIT with unusual version strings]) if echo 'ab*c' | grep -F 'ab*c' >/dev/null 2>&1; then FGREP="grep -F" else FGREP=fgrep fi # In both of the arguments that might contain URLs, make sure we test # all of the unusual ASCII characters that commonly appear in URLs. # # The RFC 3986 "unreserved" characters are ASCII letters and digits, plus # - . _ ~ # The RFC 3986 "gen-delims" and "sub-delims" are # / : ? # [ ] @ ! $ & ' ( ) * + , ; = # The URL escape character is # % # # Any argument that contains characters significant to M4, # [ ] ( ) , # may need to be double-quoted depending on exactly how they are used # (as would an argument that contains a macro name, but we don't test # that here). # # Characters that are still significant for Bourne shell within a # single-quoted string, double-quoted string, quoted here-doc, or # unquoted here-doc are explicitly not allowed: # ' " ` \ $ # # We don't test unbalanced parentheses or brackets here. AT_DATA([configure.ac], [[AC_INIT([GNU String++ with spaces (foo)], [2.48++ (2010-07-03)], [[https://example/~bug/cdfijknoqrvw/-._:@!()[]*+,;/?y=z#1234567890]], [string++], [[HTTPS://EXAMPLE/~PKG/BCDFIJNOQRUVW/-._:@!()[]*+,;/?y=z#1234567890]]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror]) AT_CHECK_CONFIGURE([-q]) AT_CHECK_CONFIGURE([--help], [], [stdout]) AT_CHECK([[$FGREP \ 'https://example/~bug/cdfijknoqrvw/-._:@!()[]*+,;/?y=z#1234567890' \ stdout]], [], [ignore]) AT_CHECK([[$FGREP \ 'HTTPS://EXAMPLE/~PKG/BCDFIJNOQRUVW/-._:@!()[]*+,;/?y=z#1234567890' \ stdout]], [], [ignore]) AT_CHECK_CONFIGURE([--version], [], [stdout]) AT_CHECK([$FGREP 'GNU String++ with spaces (foo)' stdout], [], [ignore]) AT_CHECK([$FGREP '2.48++ (2010-07-03)' stdout], [], [ignore]) AT_CHECK([./config.status --help], [], [stdout]) AT_CHECK([[$FGREP \ 'https://example/~bug/cdfijknoqrvw/-._:@!()[]*+,;/?y=z#1234567890' \ stdout]], [], [ignore]) AT_CHECK([[$FGREP \ 'HTTPS://EXAMPLE/~PKG/BCDFIJNOQRUVW/-._:@!()[]*+,;/?y=z#1234567890' \ stdout]], [], [ignore]) AT_CHECK([./config.status --version], [], [stdout]) AT_CHECK([$FGREP 'GNU String++ with spaces (foo)' stdout], [], [ignore]) AT_CHECK([$FGREP '2.48++ (2010-07-03)' stdout], [], [ignore]) # Repeat the above test using all the unusual characters that might appear # in a list of email addresses in both BUG-REPORT and URL. (URL isn't # supposed to contain email addresses, but there's no good reason to # restrict its syntax.) # The RFC 5822 "atext" characters are ASCII letters and digits, plus # ! # $ % & ' * + - / = ? ^ _ ` { | } ~ # The RFC 5822 "special" characters, all of which might appear somewhere # in an address list, are # ( ) < > [ ] : ; @ \ , . " # As above, characters that are significant for Bourne shell within # strings and heredocs are explicitly not allowed: # ' " ` \ $ # As above, any argument that contains characters significant to M4, # [ ] ( ) , # may need to be double-quoted depending on exactly how they are used # (as would an argument that contains a macro name, but we don't test # that here). AT_DATA([configure.ac], [[AC_INIT([GNU String++ with spaces (foo)], [2.48++ (2010-07-03)], [[bugs: fred , G!H!I#J@K.L (wilma), M%N&O@[156.247.38.49], P*Q+R-S/T@U, {jon|chyp~}@kqtvxz.VWXYZ;]], [string++], [[contact: jem , F!G!H#I@fv.J (lugh), K%L&M@[156.247.38.49], N*O+P-Q/R@STU, {qik|~prys}@wxz.VWXYZ;]]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror]) AT_CHECK_CONFIGURE([-q]) AT_CHECK_CONFIGURE([--help], [], [stdout]) AT_CHECK([[$FGREP \ 'bugs: fred , G!H!I#J@K.L (wilma), M%N&O@[156.247.38.49], P*Q+R-S/T@U, {jon|chyp~}@kqtvxz.VWXYZ;' \ stdout]], [], [ignore]) AT_CHECK([[$FGREP \ 'contact: jem , F!G!H#I@fv.J (lugh), K%L&M@[156.247.38.49], N*O+P-Q/R@STU, {qik|~prys}@wxz.VWXYZ;' \ stdout]], [], [ignore]) AT_CHECK_CONFIGURE([--version], [], [stdout]) AT_CHECK([$FGREP 'GNU String++ with spaces (foo)' stdout], [], [ignore]) AT_CHECK([$FGREP '2.48++ (2010-07-03)' stdout], [], [ignore]) AT_CHECK([./config.status --help], [], [stdout]) AT_CHECK([[$FGREP \ 'bugs: fred , G!H!I#J@K.L (wilma), M%N&O@[156.247.38.49], P*Q+R-S/T@U, {jon|chyp~}@kqtvxz.VWXYZ;' \ stdout]], [], [ignore]) AT_CHECK([[$FGREP \ 'contact: jem , F!G!H#I@fv.J (lugh), K%L&M@[156.247.38.49], N*O+P-Q/R@STU, {qik|~prys}@wxz.VWXYZ;' \ stdout]], [], [ignore]) AT_CHECK([./config.status --version], [], [stdout]) AT_CHECK([$FGREP 'GNU String++ with spaces (foo)' stdout], [], [ignore]) AT_CHECK([$FGREP '2.48++ (2010-07-03)' stdout], [], [ignore]) # Check for invalid characters in each argument. AT_DATA([configure.ac], [[AC_INIT([GNU "String++"], [2.48], [https://example.com/], [string++]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: not a literal: ' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([GNU String++], ['codename' 2.48], [https://example.com/], [string++]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: not a literal: ' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([GNU String++], [2.48], [https://example.com/], [string++]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror]) AT_DATA([configure.ac], [[AC_INIT([GNU String++], ['2.48'], [https://example.com], [string++]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: not a literal: ' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([GNU String++], [2.48], ['https://example.com'], [string++]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: not a literal: ' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([GNU String++], [2.48], [https://example.com], [string++], ['https://example.com']) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: not a literal: ' stderr], [], [ignore]) # The TARNAME argument is used to construct filenames, so it's even # more constrained. AT_DATA([configure.ac], [[AC_INIT([GNU String++], [2.48], [https://example.com], ['string++']) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: unsafe as a filename: ' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([GNU String++], [2.48], [https://example.com], [string ++]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: unsafe as a filename: ' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([GNU String++], [2.48], [https://example.com], [string*]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror], [1], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: unsafe as a filename: ' stderr], [], [ignore]) # Commas and unbalanced close parentheses are especially troublesome for M4. # They are only expected to work when double-quoted, but even then they can # cause malfunctions if not handled carefully within Autoconf. AT_DATA([configure.ac], [[AC_INIT([[GNU, String]], [2.48], [bugs@gstring.example], [string], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([[GNU String)]], [2.48], [bugs@gstring.example], [string], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([GNU String], [[2,48]], [bugs@gstring.example], [string], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([GNU String], [[2.48)]], [bugs@gstring.example], [string], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([GNU String], [2.48], [[bugs@gstring.example, gstring-bugs@example.com]], [string], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([GNU String], [2.48], [[bugs)@gstring.example]], [string], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([GNU String], [2.48], [bugs@gstring.example], [[string,]], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([GNU String], [2.48], [bugs@gstring.example], [[string)]], [https://gstring.example/]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([], [0], [ignore], [stderr]) AT_CHECK([grep 'AC_INIT: unsafe as a filename: ' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([GNU String], [2.48], [bugs@gstring.example], [string], [[https://gstring.example/docs,html]]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_DATA([configure.ac], [[AC_INIT([GNU String], [2.48], [bugs@gstring.example], [string], [[https://gstring.example/weird)/path]]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CLEANUP ## -------------- ## ## AC_COPYRIGHT. ## ## -------------- ## # Ensure the FSF notice as well as the user-provided one are present # in the head of the testsuite as well as the --version output. AT_SETUP([AC@&t@_COPYRIGHT]) AT_DATA([configure.ac], [[AC_INIT([GNU fu], [1.0]) AC_COPYRIGHT([[This is just a test notice, not a real one, so let's avoid words that may be matched by scanners for legal things, causing extra work for distributors. Multi-line values should be supported. ]]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE([--version], [], [stdout]) AT_CHECK([grep 'Copyright.*Free Software Foundation' stdout], [], [ignore]) AT_CHECK([grep 'This is just a test notice' stdout], [], [ignore]) AT_CHECK([sed -ne 50q -e '/Copyright/{' -e N -e N -e N -e N -e 's/#//g' ]dnl [ -e 's/\n//g' -e p -e '}' configure ]dnl [ | grep 'Copyright.*Free Software Foundation'], [], [ignore]) AT_CHECK([sed 50q configure | grep 'This is just a test notice'], [], [ignore]) AT_CLEANUP ## ---------------- ## ## AC_CACHE_CHECK. ## ## ---------------- ## # Make sure AC_CACHE_CHECK is silent with -q. # Also make sure we warn about cache id's not named with '_cv_'. AT_SETUP([AC_CACHE_CHECK]) AT_KEYWORDS([CONFIG_SITE]) AT_DATA([configure.ac], [[AC_INIT # m4_define([ac_nothing], [ac_cv_absolutely_nothing]) AC_CACHE_CHECK([for nothing], [ac_nothing], [ac_nothing=found]) AC_MSG_CHECKING([for some other variable]) commands_to_set_it_was_run=false AC_CACHE_VAL([my_cv_variable], [ # FOO commands_to_set_it_was_run=true my_cv_variable=true ]) AC_MSG_RESULT([$my_cv_variable]) # Ensure that the result is available at this point. if ${my_cv_variable+false} :; then AC_MSG_ERROR([AC@&@&t@t@_CACHE_VAL did not ensure that the cache variable was set]) fi AC_OUTPUT ]]) AT_CHECK_AUTOCONF([], [], [], [stderr]) AT_CHECK([grep 'must contain _cv_ to be cached' stderr], [], [ignore]) # Do not warn about defines: sed 's/^# m4_define/m4_define/' configure.ac > t mv -f t configure.ac AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE([-q]) sed '/m4_define/d; s/ac_nothing/ac_cv_nothing/' configure.ac > t mv -f t configure.ac AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE([-q]) # Print a message saying that the result was cached, iff it was cached. AT_CHECK_CONFIGURE([], [], [stdout]) AT_CHECK([grep 'cached' stdout], [1]) AT_CHECK_CONFIGURE([my_cv_variable='yes it is set'], [], [stdout]) AT_CHECK([grep 'cached.*yes it is set' stdout], [], [ignore]) # --cache-file is honored and has caching semantics. AT_CHECK_CONFIGURE([--cache-file=foobar.cache], [], [stdout]) AT_CHECK([grep 'cached' stdout], [1]) AT_CHECK([test ! -f config.cache]) AT_CHECK([grep 'my_cv_variable.*true' foobar.cache], [], [ignore]) AT_CHECK_CONFIGURE([--cache-file=foobar.cache], [], [stdout]) AT_CHECK([grep 'some other variable.*cached.*true' stdout], [], [ignore]) # A setting on the command line overrides the cache. AT_CHECK_CONFIGURE([--cache-file=foobar.cache my_cv_variable='override'], [], [stdout]) AT_CHECK([grep 'cached.*override' stdout], [], [ignore]) AT_CHECK([grep 'my_cv_variable.*override' foobar.cache], [], [ignore]) # Values containing braces need special internal treatment. AT_CHECK_CONFIGURE([-C ac_cv_nothing='{' my_cv_variable='contains } brace'], [], [stdout]) AT_CHECK([grep 'ac_cv_nothing.*{' config.cache], [], [ignore]) AT_CHECK([grep 'my_cv_variable.*contains } brace' config.cache], [], [ignore]) AT_CHECK_CONFIGURE([-C], [], [stdout]) AT_CHECK([grep 'nothing.*{' stdout], [], [ignore]) AT_CHECK([grep 'some other variable.*contains } brace' stdout], [], [ignore]) rm -f config.cache # Diagnose common side-effects that are errors in COMMANDS-TO-SET-IT: sed 's/^# FOO/AC_DEFINE([some-define], [1], [oooh.])/' configure.ac > t mv -f t configure.ac AT_CHECK_AUTOCONF([], [], [], [stderr]) AT_CHECK([grep 'suspicious.*AC_DEFINE' stderr], [], [ignore]) sed 's/^AC_DEFINE.*/AC_SUBST([some_substitution], [oooh.])/' configure.ac > t mv -f t configure.ac AT_CHECK_AUTOCONF([], [], [], [stderr]) AT_CHECK([grep 'suspicious.*AC_SUBST' stderr], [], [ignore]) # Ensure the examples from the manual work as intended. # Taken from autoconf.texi:Caching Results AT_DATA([configure.ac], [[AC_INIT AC_DEFUN([AC_SHELL_TRUE], [AC_CACHE_CHECK([whether true(1) works], [my_cv_shell_true_works], [my_cv_shell_true_works=no (true) 2>/dev/null && my_cv_shell_true_works=yes if test "x$my_cv_shell_true_works" = xyes; then AC_DEFINE([TRUE_WORKS], [1], [Define if 'true(1)' works properly.]) fi]) ]) AC_SHELL_TRUE ]]) AT_CHECK_AUTOCONF([-Werror], [1], [], [stderr]) AT_CHECK([grep 'suspicious.*AC_DEFINE' stderr], [], [ignore]) # Taken from autoconf.texi:Caching Results AT_DATA([configure.ac], [[AC_INIT AC_DEFUN([AC_SHELL_TRUE], [AC_CACHE_CHECK([whether true(1) works], [my_cv_shell_true_works], [my_cv_shell_true_works=no (true) 2>/dev/null && my_cv_shell_true_works=yes]) if test "x$my_cv_shell_true_works" = xyes; then AC_DEFINE([TRUE_WORKS], [1], [Define if 'true(1)' works properly.]) fi ]) AC_SHELL_TRUE AC_OUTPUT ]]) AT_CHECK_AUTOCONF([-Werror]) AT_CHECK_CONFIGURE([-C], [], [stdout]) AT_CHECK([grep my_cv_shell_true_works config.cache], [], [ignore]) AT_CHECK([grep 'true.*works.*yes' stdout], [], [ignore]) AT_CHECK_CONFIGURE([--config-cache], [], [stdout]) AT_CHECK([grep 'true.*works.*cached.*yes' stdout], [], [ignore]) # config.status only pays attention to the cache file with --recheck. AT_CHECK([./config.status], [], [stdout]) AT_CHECK([grep cache stdout], [1]) AT_CHECK([./config.status --recheck], [], [stdout]) AT_CHECK([grep cache stdout], [0], [ignore]) # By default, configure uses no cache file, neither loading nor updating it. : > a-stamp-file AT_CHECK_CONFIGURE([], [], [stdout]) AT_CHECK([grep cache stdout], [1]) AT_CHECK([LC_ALL=C ls -t config.cache a-stamp-file | sed 1q | grep config.cache], [1]) # Using a symlinked cache file works. : > cache rm -f config.cache AS_LN_S([cache], [config.cache]) AT_CHECK_CONFIGURE([-C]) # Either the system does not support symlinks, or the symlinked-to file # should be updated. AT_CHECK([test -s cache || test ! -h config.cache]) # config.site can specify a site-wide cache, accumulating information. # Also test that we don't run afoul of sourcing a file with leading -. AT_DATA([-config.site], [[cache_file=sitecache ]]) AT_DATA([sitecache], [[my_cv_some_preset_cache_var=yes ]]) CONFIG_SITE=-config.site export CONFIG_SITE AT_CHECK_CONFIGURE AT_CHECK([grep my_cv_some_preset_cache_var sitecache], [], [ignore]) AT_CHECK([grep my_cv_shell_true_works sitecache], [], [ignore]) AT_CHECK_CONFIGURE([], [], [stdout]) AT_CHECK([grep 'whether true.*works.*cached' stdout], [], [ignore]) dnl Until we can find a way to avoid catastrophic failure, dnl skip the rest of this test on such shells. echo 'if' > syntax AT_CHECK([${CONFIG_SHELL-$SHELL} -c 'case `. ./syntax; echo $?` in 0|"") exit 77;; esac'], [0], [ignore], [ignore]) # Check that config cache scripts must be well-formed. AT_DATA([bad.site], [[fi ]]) CONFIG_SITE=$PWD/bad.site AT_CHECK_CONFIGURE([ || exit 1], [1], [stdout], [stderr]) AT_CHECK([grep 'failed to load site script' stderr], [], [ignore], [ignore], [AT_CHECK([grep 'whether true' stdout], [1])]) # However, a missing file is ignored. CONFIG_SITE=./no-such-file AT_CHECK_CONFIGURE # Check that multiple files are loaded AT_DATA([first.site], [[my_cv_shell_true_works=no ]]) AT_DATA([second.site], [[my_cv_shell_true_works=maybe ]]) CONFIG_SITE="$PWD/first.site $PWD/second.site" AT_CHECK_CONFIGURE([], [], [stdout]) AT_CHECK([grep 'whether true.*works.*cached.*maybe' stdout], [], [ignore]) AT_CLEANUP ## --------------- ## ## AC_CACHE_LOAD. ## ## --------------- ## # Test AC_CACHE_LOAD. AT_SETUP([AC_CACHE_LOAD]) AT_DATA([configure.ac], [[AC_INIT $some_test_code AC_CACHE_LOAD AC_MSG_NOTICE([some_cv_variable is $some_cv_variable]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AS_UNSET([some_test_code]) AT_DATA([new-cache], [[some_cv_variable=value-from-new-cache ]]) AT_CHECK_CONFIGURE([some_test_code='eval cache_file=new-cache'], [], [stdout]) AT_CHECK([grep 'some_cv_variable.*value-from-new-cache' stdout], [], [ignore]) AT_CLEANUP ## ---------------- ## ## AC_COMPUTE_INT. ## ## ---------------- ## # Make sure AC_COMPUTE_INT fails properly. AT_SETUP([AC_COMPUTE_INT]) AT_DATA([configure.ac], [[AC_INIT AC_COMPUTE_INT([invalid_expression], [**0**], [], [invalid_expression=failed]) test "$invalid_expression" = failed || AC_MSG_ERROR([**0** evaluated to $invalid_expression instead of failing]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE AT_CLEANUP ## ---------------- ## ## AC_TRY_COMMAND. ## ## ---------------- ## AT_SETUP([AC_TRY_COMMAND]) AT_DATA([configure.ac], [[AC_INIT if AC_TRY_COMMAND([(echo "The Cat in the Hat"; echo "The Hat in the Cat" >&2) | grep \^The\ Cat\ in\ the\ Hat\$ >/dev/null]); then : else AC_MSG_ERROR([didn't see the Cat in the Hat]) fi if AC_TRY_COMMAND([(echo "The Cat in the Hat"; echo "The Hat in the Cat" >&2) | grep \^The\ Hat\ in\ the\ Cat\$ >/dev/null]); then AC_MSG_ERROR([saw the Hat in the Cat]) fi AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE([-q]) AT_CLEANUP ## ------------ ## ## Input/Output ## ## ------------ ## AT_SETUP([Input/Output]) AT_DATA([configure.ac], [[AC_INIT cat <&AS@&t@_ORIGINAL_STDIN_FD >&AS@&t@_MESSAGE_FD AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CHECK([echo Hello | ./configure $configure_options | grep -v '^configure: '],, [Hello ]) AT_CHECK([echo Hello | ./configure $configure_options --silent]) AT_CLEANUP ## ------------------- ## ## configure arguments ## ## ------------------- ## AT_SETUP([configure arguments]) AT_DATA([configure.ac], [[AC_INIT echo "$@" AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE([FOO=bar --enable-baz --without-zork --silent], [0], [stdout], [ignore]) AT_CHECK([grep 'FOO=bar --enable-baz --without-zork --silent' stdout], [0], [ignore], [ignore]) dnl check that syntax error is detected AT_CHECK_CONFIGURE([=], [1], [], [ignore], [ignore]) AT_CHECK_CONFIGURE([1=2], [1], [], [ignore], [ignore]) AT_CLEANUP ## ------------------------------ ## ## AC_ARG_ENABLE and AC_ARG_WITH. ## ## ------------------------------ ## AT_SETUP([AC_ARG_ENABLE and AC_ARG_WITH]) AT_DATA_M4SH([configure.ac], [[AC_INIT # Taken from autoconf.texi:Pretty Help Strings. AC_ARG_WITH([foo], [AS_HELP_STRING([--with-foo], [use foo (default is no)])], [use_foo=$withval], [use_foo=no]) AC_ARG_WITH([c++], [AS_HELP_STRING([--with-c++], [with c++])], [choice_with=$withval]) AC_ARG_ENABLE([c++], [AS_HELP_STRING([--enable-c++], [enable c++])], [choice_enable=$enableval]) echo "use_foo: $use_foo" echo "with_c++: $with_c__, $choice_with" echo "enable_c++: $enable_c__, $choice_enable" AC_OUTPUT ]]) AT_CHECK_AUTOCONF AT_CHECK_CONFIGURE([--help | grep foo], [0], [[ --with-foo use foo (default is no) ]], [ignore]) AT_CHECK_CONFIGURE([--with-foo=yes --with-c++ --disable-c++], [], [stdout], [ignore]) AT_CHECK([grep 'use_foo: yes' stdout], [], [ignore]) AT_CHECK([grep 'with_c++: yes, yes' stdout], [], [ignore]) AT_CHECK([grep 'enable_c++: no, no' stdout], [], [ignore]) AT_CHECK([grep 'unrecognized option' stdout], [1]) AT_CHECK_CONFIGURE([--without-foo --with-c++=no --enable-c++=maybe], [], [stdout], [ignore]) AT_CHECK([grep 'use_foo: no' stdout], [], [ignore]) AT_CHECK([grep 'with_c++: no, no' stdout], [], [ignore]) AT_CHECK([grep 'enable_c++: maybe, maybe' stdout], [], [ignore]) AT_CHECK([grep 'unrecognized option' stdout], [1]) AT_CHECK_CONFIGURE([], [], [stdout], [ignore]) AT_CHECK([grep 'use_foo: no' stdout], [], [ignore]) AT_CHECK([grep 'with_c++: , $' stdout], [], [ignore]) AT_CHECK([grep 'enable_c++: , $' stdout], [], [ignore]) AT_CHECK([grep 'unrecognized option' stdout], [1]) AT_CLEANUP ## --------------------- ## ## configure directories ## ## --------------------- ## AT_SETUP([configure directories]) AT_DATA([foo.in], [[prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ ]]) AT_DATA([configure.ac], [[AC_INIT AC_CONFIG_FILES([foo]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF dnl check that relative paths are rejected AT_CHECK_CONFIGURE([--libdir=.], [1], [ignore], [stderr]) AT_CHECK([grep 'expected an absolute directory name for --libdir: \.' stderr], [0], [ignore]) dnl check that extra slashes are stripped, and that defaults are not expanded AT_CHECK_CONFIGURE([--prefix=/usr//]) AT_CHECK([cat foo], [0], [[prefix=/usr exec_prefix=${prefix} libdir=${exec_prefix}/lib ]]) AT_CLEANUP ## ---------- ## ## AC_SUBST. ## ## ---------- ## AT_SETUP([AC_SUBST]) AT_KEYWORDS([AS@&t@_IDENTIFIER_IF]) # Check that a valid variable name is used. AT_DATA([configure.ac], [[AC_INIT([test], [1]) AC_SUBST([1], [bar]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([], [1], [], [stderr]) AT_CHECK([grep 'not a valid shell variable' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([test], [1]) AC_SUBST([], [bar]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([], [1], [], [stderr]) AT_CHECK([grep 'not a valid shell variable' stderr], [], [ignore]) AT_DATA([configure.ac], [[AC_INIT([test], [1]) AC_SUBST([*], [bar]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([], [1], [], [stderr]) AT_CHECK([grep 'not a valid shell variable' stderr], [], [ignore]) # Make sure AC_SUBST handles variables as expected. AT_DATA([file.in], [[@FOO@ @BAR@ FOO ]]) AT_DATA([configure.ac], [[AC_INIT([test], [0]) m4_define([FOO], [baz]) AC_SUBST([FOO], [bar]) BAR=one AC_SUBST([B@&t@AR]) BAR=two AC_CONFIG_FILES([file]) AC_OUTPUT ]]) AT_CHECK_AUTOCONF([], [], [], [stderr]) AT_CHECK_CONFIGURE AT_CHECK([cat file], [], [[bar two FOO ]]) AT_CLEANUP ## ----------------------------------- ## ## configure with closed standard fds ## ## ----------------------------------- ## AT_SETUP([configure with closed standard fds]) AT_KEYWORDS([AS@&t@_INIT]) # Create a configure script that runs a relatively complicated but # self-contained test. Run it. AT_CONFIGURE_AC([[AC_PROG_CC]]) AT_CHECK_AUTOCONF AT_CHECK_AUTOHEADER AT_CHECK_CONFIGURE([], [], [stdout], [stderr]) AT_CHECK_ENV mv stdout stdout-expected mv stderr stderr-expected mv state-env.after state-env-expected mv config.status config-status-expected mv config.h config-h-expected # Run it again with stdin (fd 0) closed. # There should be no change to the stdout or stderr output and the # result of configuration should be the same. AT_CHECK_CONFIGURE([ 0<&- ], [], [stdout], [stderr]) AT_CHECK_ENV AT_CMP([stdout-expected], [stdout]) AT_CMP([stderr-expected], [stderr]) AT_CONFIG_CMP([state-env-expected], [state-env.after]) mv stdout stdout-closed-0 mv stderr stderr-closed-0 mv state-env.after state-env-closed-0 mv config.status config-status-closed-0 mv config.h config-h-closed-0 # Run it again with stdout (fd 1) closed. # There should be no change to the stderr output and the # result of configuration should be the same. (Any output # that would have gone to stdout, of course, is lost.) AT_CHECK_CONFIGURE([ 1>&- ], [], [stdout], [stderr]) AT_CHECK_ENV AT_CHECK([test -f stdout && test ! -s stdout]) AT_CMP([stderr-expected], [stderr]) AT_CONFIG_CMP([state-env-expected], [state-env.after]) mv stdout stdout-closed-1 mv stderr stderr-closed-1 mv state-env.after state-env-closed-1 mv config.status config-status-closed-1 mv config.h config-h-closed-1 # Run it again with stderr (fd 2) closed. # There should be no change to the stdout output and the # result of configuration should be the same. (Any output # that would have gone to stderr, of course, is lost.) AT_CHECK_CONFIGURE([ 2>&- ], [], [stdout], [stderr]) AT_CHECK_ENV AT_CMP([stdout-expected], [stdout]) AT_CHECK([test -f stderr && test ! -s stderr]) AT_CONFIG_CMP([state-env-expected], [state-env.after]) mv stdout stdout-closed-2 mv stderr stderr-closed-2 mv state-env.after state-env-closed-2 mv config.status config-status-closed-2 mv config.h config-h-closed-2 AT_CLEANUP