diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 160 |
1 files changed, 137 insertions, 23 deletions
diff --git a/configure.ac b/configure.ac index 9d33ec9..1b121d9 100644 --- a/configure.ac +++ b/configure.ac @@ -1,23 +1,55 @@ +# Copyright (C) 1993-2016 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 <http://www.gnu.org/licenses/>. + dnl Process this file with -*- autoconf -*- to produce a configure script. -AC_INIT([GNU sed], 4.2.2, bug-sed@gnu.org, sed) +AC_INIT([GNU sed], + m4_esyscmd([build-aux/git-version-gen .tarball-version]), + [bug-sed@gnu.org]) AC_CONFIG_AUX_DIR(build-aux) AC_CONFIG_SRCDIR([sed/sed.c]) AM_CONFIG_HEADER(config.h:config_h.in) -AC_PREREQ(2.60) -AM_INIT_AUTOMAKE - -SED_FEATURE_VERSION=4.2.2 -AC_DEFINE_UNQUOTED(SED_FEATURE_VERSION, "$SED_FEATURE_VERSION", - [Define to the version of GNU sed whose features are supported by this sed.]) -AC_SUBST(SED_FEATURE_VERSION) +AC_PREREQ(2.62) +AM_INIT_AUTOMAKE([1.11.1 no-dist-gzip dist-xz color-tests parallel-tests + subdir-objects]) +AM_SILENT_RULES([yes]) # make --enable-silent-rules the default. +AC_CONFIG_MACRO_DIR([m4]) -COPYRIGHT_YEAR=2012 -AC_SUBST(COPYRIGHT_YEAR) - -AC_PROG_CC +AC_PROG_CC_STDC +AM_PROG_CC_C_O gl_EARLY gl_INIT gl_DISABLE_THREADS + +# gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found]) +# ------------------------------------------------ +# If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND. +# Otherwise, run RUN-IF-NOT-FOUND. +AC_DEFUN([gl_GCC_VERSION_IFELSE], + [AC_PREPROC_IFELSE( + [AC_LANG_PROGRAM( + [[ +#if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__) +/* ok */ +#else +# error "your version of gcc is older than $1.$2" +#endif + ]]), + ], [$3], [$4]) + ] +) + AC_CACHE_CHECK([whether "rt" can be used with fopen], [sed_cv_fopen_rt], [ AC_TRY_RUN([ #include <stdio.h> @@ -66,20 +98,23 @@ if test "$sed_cv_libcp_needed" = yes; then fi AC_CHECK_HEADERS_ONCE(locale.h errno.h wchar.h wctype.h mcheck.h, - [], [], [AC_INCLUDES_DEFAULT]) + [], [], [AC_INCLUDES_DEFAULT]) AC_C_CONST AC_TYPE_SIZE_T -AM_GNU_GETTEXT_VERSION(0.17) +AM_GNU_GETTEXT_VERSION([0.19.2]) AM_GNU_GETTEXT([external]) AC_CHECK_FUNCS_ONCE(isatty isascii memcpy strchr strtoul lstat readlink - popen pathconf fchown fchmod setlocale) + popen pathconf fchown fchmod setlocale) # Check whether we are able to follow symlinks if test "$ac_cv_func_lstat:$ac_cv_func_readlink" = yes:yes; then - AC_DEFINE(ENABLE_FOLLOW_SYMLINKS, ,[Follow symlinks when processing in place]) + AC_DEFINE([ENABLE_FOLLOW_SYMLINKS], , + [Follow symlinks when processing in place]) fi +AM_CONDITIONAL([TEST_SYMLINKS], + [test "$ac_cv_func_lstat:$ac_cv_func_readlink" = yes:yes]) AC_ARG_ENABLE(i18n, [ --disable-i18n disable internationalization (default=enabled)], , @@ -88,7 +123,7 @@ if test "x$enable_i18n" = xno; then ac_cv_func_wcscoll=no fi -AC_ARG_ENABLE(regex-tests, +AC_ARG_ENABLE(regex-tests, [ --enable-regex-tests enable regex matcher regression tests (default=yes)], [if test "x$with_included_regex" = xno; then enable_regex_tests=no @@ -97,7 +132,7 @@ enable_regex_tests=$with_included_regex) AM_CONDITIONAL(TEST_REGEX, test "x$enable_regex_tests" = xyes) if test "x$enable_regex_tests" = xyes; then - AC_DEFINE_UNQUOTED(_REGEX_RE_COMP, 1, + AC_DEFINE_UNQUOTED([_REGEX_RE_COMP], 1, [Include BSD functions in regex, used by the testsuite]) fi @@ -171,7 +206,8 @@ int main() exit (!test ()); } ], [AC_MSG_RESULT([yes]); XFAIL_TESTS=], - [AC_MSG_RESULT([no]); XFAIL_TESTS='utf8-1 utf8-2 utf8-3 utf8-4'], + [AC_MSG_RESULT([no]); XFAIL_TESTS='testsuite/utf8-1 testsuite/utf8-2 \ + testsuite/utf8-3 testsuite/utf8-4'], [AC_MSG_RESULT([don't care (cross compiling)]); XFAIL_TESTS=]) # Under MinGW, the bsd.sh test fails because of the EOF character (^Z). @@ -181,8 +217,86 @@ case $host in esac AC_SUBST([XFAIL_TESTS]) -AC_CONFIG_FILES([testsuite/version.good:testsuite/version.gin]) -AC_CONFIG_FILES([Makefile doc/Makefile \ -lib/Makefile sed/Makefile testsuite/Makefile \ -po/Makefile.in]) +AC_ARG_ENABLE([gcc-warnings], + [AS_HELP_STRING([--enable-gcc-warnings], + [turn on many GCC warnings (for developers; best with GNU make)])], + [case $enableval in + yes|no) ;; + *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; + esac + gl_gcc_warnings=$enableval], + [ + # GCC provides fine-grained control over diagnostics which + # is used in gnulib for example to suppress warnings from + # certain sections of code. So if this is available and + # we're running from a git repo, then auto enable the warnings. + gl_gcc_warnings=no + gl_GCC_VERSION_IFELSE([4], [6], + [test -d "$srcdir"/.git \ + && ! test -f "$srcdir"/.tarball-version \ + && gl_gcc_warnings=yes])] +) + +if test "$gl_gcc_warnings" = yes; then + gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) + AC_SUBST([WERROR_CFLAGS]) + + nw= + # This, $nw, is the list of warnings we disable. + nw="$nw -Wdeclaration-after-statement" # too useful to forbid + nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings + nw="$nw -Wsign-conversion" # Too many warnings for now + nw="$nw -Wformat-nonliteral" # who.c and pinky.c strftime uses + nw="$nw -Wvla" # warnings in gettext.h + nw="$nw -Wswitch-default" # Too many warnings for now + + gl_MANYWARN_ALL_GCC([ws]) + gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw]) + for w in $ws; do + gl_WARN_ADD([$w]) + done + gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now + + # clang is unduly picky about some things. + AC_CACHE_CHECK([whether the compiler is clang], [utils_cv_clang], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #ifndef __clang__ + #error "not clang" + #endif + ]])], + [utils_cv_clang=yes], + [utils_cv_clang=no])]) + if test $utils_cv_clang = yes; then + gl_WARN_ADD([-Wno-format-extra-args]) + gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare]) + fi + + gl_WARN_ADD([-fdiagnostics-show-option]) + gl_WARN_ADD([-funit-at-a-time]) + + AC_SUBST([WARN_CFLAGS]) + + AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.]) + AH_VERBATIM([FORTIFY_SOURCE], + [/* Enable compile-time and run-time bounds-checking, and some warnings, + without upsetting glibc 2.15+. */ + #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ + # define _FORTIFY_SOURCE 2 + #endif + ]) + AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks]) + + # For gnulib-tests, the set is slightly smaller still. + nw= + gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS], + [$WARN_CFLAGS], [$nw]) + AC_SUBST([GNULIB_TEST_WARN_CFLAGS]) +fi + +AC_CONFIG_FILES([ + Makefile + po/Makefile.in + gnulib-tests/Makefile +]) AC_OUTPUT |