gcc/config/override.m4

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dnl Fix Autoconf bugs by overriding broken internal Autoconf
dnl macros with backports of fixes from newer releases.
dnl
Makefile.tpl ($(srcdir)/configure): Update dependencies. * Makefile.tpl ($(srcdir)/configure): Update dependencies. * Makefile.in: Regenerate. * configure: Regenerate. config/ * override.m4: Use m4_version_prereq throughout. (_AC_ARG_VAR_VALIDATE, AC_MSG_FAILURE): Backport from git Autoconf: output pwd along with fatal errors, so the right config.log file is hinted at more prominently. (PARSE_ARGS): Push setting of ac_pwd in this diversion. (_GCC_AUTOCONF_VERSION): New, define to 2.59 if not defined. (_GCC_AUTOCONF_VERSION_CHECK): New macro, require use of Autoconf version _GCC_AUTOCONF_VERSION throughout the tree. (m4_wrap): New override, fix for Posix semantics of m4wrap. libgcc/ * configure.ac: sinclude override.m4. * configure: Regenerate. gnattools/ * configure.ac: move sinclude of acx.m4 before AC_INIT, also sinclude override.m4. * Makefile.in ($(srcdir)/configure): Update dependencies. * configure: Regenerate. libada/ * configure.ac: move sinclude of acx.m4 before AC_INIT, also sinclude override.m4. * Makefile.in ($(srcdir)/configure): Update dependencies. * configure: Regenerate. intl/ * configure: Regenerate. libiberty/ * configure: Regenerate. boehm-gc/ * Makefile.in: Regenerate. * configure: Regenerate. * include/Makefile.in: Regenerate. * include/gc_config.h.in: Regenerate. fixincludes/ * configure: Regenerate. gcc/ * configure: Regenerate. libcpp/ * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. * configure: Regenerate. libdecnumber/ * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. * configure: Regenerate. libffi/ * configure: Regenerate. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libgfortran/ * configure: Regenerate. libgomp/ * configure: Regenerate. libjava/classpath/ * Makefile.in: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * doc/api/Makefile.in: Regenerate. * examples/Makefile.in: Regenerate. * external/Makefile.in: Regenerate. * external/jsr166/Makefile.in: Regenerate. * external/relaxngDatatype/Makefile.in: Regenerate. * external/sax/Makefile.in: Regenerate. * external/w3c_dom/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * lib/Makefile.in: Regenerate. * native/Makefile.in: Regenerate. * native/fdlibm/Makefile.in: Regenerate. * native/jawt/Makefile.in: Regenerate. * native/jni/Makefile.in: Regenerate. * native/jni/classpath/Makefile.in: Regenerate. * native/jni/gconf-peer/Makefile.in: Regenerate. * native/jni/gstreamer-peer/Makefile.in: Regenerate. * native/jni/gtk-peer/Makefile.in: Regenerate. * native/jni/java-io/Makefile.in: Regenerate. * native/jni/java-lang/Makefile.in: Regenerate. * native/jni/java-net/Makefile.in: Regenerate. * native/jni/java-nio/Makefile.in: Regenerate. * native/jni/java-util/Makefile.in: Regenerate. * native/jni/midi-alsa/Makefile.in: Regenerate. * native/jni/midi-dssi/Makefile.in: Regenerate. * native/jni/native-lib/Makefile.in: Regenerate. * native/jni/qt-peer/Makefile.in: Regenerate. * native/jni/xmlj/Makefile.in: Regenerate. * native/plugin/Makefile.in: Regenerate. * resource/Makefile.in: Regenerate. * scripts/Makefile.in: Regenerate. * tools/Makefile.in: Regenerate. libjava/ * configure: Regenerate. * gcj/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libjava/libltdl/ * Makefile.in: Regenerate. * configure: Regenerate. libmudflap/ * Makefile.in: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libobjc/ * configure: Regenerate. libssp/ * Makefile.in: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. libstdc++-v3/ * configure: Regenerate. zlib/ * Makefile.in: Regenerate. * configure: Regenerate. From-SVN: r136876
2008-06-18 01:13:35 +02:00
dnl The override bits of this file should be a no-op for the newest
dnl Autoconf version, which means they can be removed once the complete
dnl tree has moved to a new enough Autoconf version.
dnl
dnl The _GCC_AUTOCONF_VERSION_TEST ensures that exactly the desired
dnl Autoconf version is used. It should be kept for consistency.
dnl Use ifdef/ifelse over m4_ifdef/m4_ifelse to be clean for 2.13.
ifdef([m4_PACKAGE_VERSION], [
dnl Provide m4_copy_force and m4_rename_force for old Autoconf versions.
m4_ifndef([m4_copy_force],
[m4_define([m4_copy_force],
[m4_ifdef([$2], [m4_undefine([$2])])m4_copy($@)])])
m4_ifndef([m4_rename_force],
[m4_define([m4_rename_force],
[m4_ifdef([$2], [m4_undefine([$2])])m4_rename($@)])])
dnl AC_DEFUN a commonly used macro so this file is picked up.
re PR other/35457 (Error building GCC trunk on CELL SPU) 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * configure.ac: Include override.m4. * configure: Regenerate. libgomp: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libdecnumber: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. gcc: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libstdc++-v3: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libobjc: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. intl: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libgfortran: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libmudflap: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. boehm-gc: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libiberty: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Add override.m4. * configure: Regenerate. libffi: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libssp: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. config: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * confsubdir.m4: Rename to... * override.m4: ... this. Make sure aclocal always picks it. Add more lenient precious variable check, backported from autoconf trunk. libjava/libltdl: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libjava/classpath: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libjava: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. libcpp: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * aclocal.m4: Regenerate. * configure: Regenerate. fixincludes: 2008-04-18 Paolo Bonzini <bonzini@gnu.org> PR bootstrap/35457 * Makefile.in: Rewrite aclocal.m4 rule. * aclocal.m4: Regenerate. * configure: Regenerate. From-SVN: r134434
2008-04-18 12:28:53 +02:00
m4_copy([AC_PREREQ], [_AC_PREREQ])
AC_DEFUN([AC_PREREQ], [frob])
m4_copy_force([_AC_PREREQ], [AC_PREREQ])
Makefile.tpl ($(srcdir)/configure): Update dependencies. * Makefile.tpl ($(srcdir)/configure): Update dependencies. * Makefile.in: Regenerate. * configure: Regenerate. config/ * override.m4: Use m4_version_prereq throughout. (_AC_ARG_VAR_VALIDATE, AC_MSG_FAILURE): Backport from git Autoconf: output pwd along with fatal errors, so the right config.log file is hinted at more prominently. (PARSE_ARGS): Push setting of ac_pwd in this diversion. (_GCC_AUTOCONF_VERSION): New, define to 2.59 if not defined. (_GCC_AUTOCONF_VERSION_CHECK): New macro, require use of Autoconf version _GCC_AUTOCONF_VERSION throughout the tree. (m4_wrap): New override, fix for Posix semantics of m4wrap. libgcc/ * configure.ac: sinclude override.m4. * configure: Regenerate. gnattools/ * configure.ac: move sinclude of acx.m4 before AC_INIT, also sinclude override.m4. * Makefile.in ($(srcdir)/configure): Update dependencies. * configure: Regenerate. libada/ * configure.ac: move sinclude of acx.m4 before AC_INIT, also sinclude override.m4. * Makefile.in ($(srcdir)/configure): Update dependencies. * configure: Regenerate. intl/ * configure: Regenerate. libiberty/ * configure: Regenerate. boehm-gc/ * Makefile.in: Regenerate. * configure: Regenerate. * include/Makefile.in: Regenerate. * include/gc_config.h.in: Regenerate. fixincludes/ * configure: Regenerate. gcc/ * configure: Regenerate. libcpp/ * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. * configure: Regenerate. libdecnumber/ * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. * configure: Regenerate. libffi/ * configure: Regenerate. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libgfortran/ * configure: Regenerate. libgomp/ * configure: Regenerate. libjava/classpath/ * Makefile.in: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * doc/api/Makefile.in: Regenerate. * examples/Makefile.in: Regenerate. * external/Makefile.in: Regenerate. * external/jsr166/Makefile.in: Regenerate. * external/relaxngDatatype/Makefile.in: Regenerate. * external/sax/Makefile.in: Regenerate. * external/w3c_dom/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * lib/Makefile.in: Regenerate. * native/Makefile.in: Regenerate. * native/fdlibm/Makefile.in: Regenerate. * native/jawt/Makefile.in: Regenerate. * native/jni/Makefile.in: Regenerate. * native/jni/classpath/Makefile.in: Regenerate. * native/jni/gconf-peer/Makefile.in: Regenerate. * native/jni/gstreamer-peer/Makefile.in: Regenerate. * native/jni/gtk-peer/Makefile.in: Regenerate. * native/jni/java-io/Makefile.in: Regenerate. * native/jni/java-lang/Makefile.in: Regenerate. * native/jni/java-net/Makefile.in: Regenerate. * native/jni/java-nio/Makefile.in: Regenerate. * native/jni/java-util/Makefile.in: Regenerate. * native/jni/midi-alsa/Makefile.in: Regenerate. * native/jni/midi-dssi/Makefile.in: Regenerate. * native/jni/native-lib/Makefile.in: Regenerate. * native/jni/qt-peer/Makefile.in: Regenerate. * native/jni/xmlj/Makefile.in: Regenerate. * native/plugin/Makefile.in: Regenerate. * resource/Makefile.in: Regenerate. * scripts/Makefile.in: Regenerate. * tools/Makefile.in: Regenerate. libjava/ * configure: Regenerate. * gcj/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libjava/libltdl/ * Makefile.in: Regenerate. * configure: Regenerate. libmudflap/ * Makefile.in: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libobjc/ * configure: Regenerate. libssp/ * Makefile.in: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. libstdc++-v3/ * configure: Regenerate. zlib/ * Makefile.in: Regenerate. * configure: Regenerate. From-SVN: r136876
2008-06-18 01:13:35 +02:00
dnl Ensure exactly this Autoconf version is used
m4_ifndef([_GCC_AUTOCONF_VERSION],
Regenerate tree using Autoconf 2.64 and Automake 1.11. config/: * override.m4 (_GCC_AUTOCONF_VERSION): Bump to 2.64. : * configure: Regenerate. intl/: * aclocal.m4: Regenerate. * configure: Regenerate. * config.h.in: Regenerate. libiberty/: * config.in: Regenerate. * configure: Regenerate. boehm-gc/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * include/Makefile.in: Regenerate. * include/gc_config.h.in: Regenerate. fixincludes/: * aclocal.m4: Regenerate. * configure: Regenerate. * config.h.in: Regenerate. gcc/: * aclocal.m4: Regenerate. * config.in: Regenerate. * configure: Regenerate. libgcc/: * configure: Regenerate. gnattools/: * configure: Regenerate. libada/: * configure: Regenerate. libcpp/: * aclocal.m4: Regenerate. * config.in: Regenerate. * configure: Regenerate. libdecnumber/: * aclocal.m4: Regenerate. * configure: Regenerate. * config.in: Regenerate. libffi/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * fficonfig.h.in: Regenerate. * include/Makefile.in: Regenerate. * man/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libgfortran/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. libgomp/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libjava/classpath/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * doc/api/Makefile.in: Regenerate. * examples/Makefile.in: Regenerate. * external/Makefile.in: Regenerate. * external/jsr166/Makefile.in: Regenerate. * external/relaxngDatatype/Makefile.in: Regenerate. * external/sax/Makefile.in: Regenerate. * external/w3c_dom/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * include/config.h.in: Regenerate. * lib/Makefile.in: Regenerate. * native/Makefile.in: Regenerate. * native/fdlibm/Makefile.in: Regenerate. * native/jawt/Makefile.in: Regenerate. * native/jni/Makefile.in: Regenerate. * native/jni/classpath/Makefile.in: Regenerate. * native/jni/gconf-peer/Makefile.in: Regenerate. * native/jni/gstreamer-peer/Makefile.in: Regenerate. * native/jni/gtk-peer/Makefile.in: Regenerate. * native/jni/java-io/Makefile.in: Regenerate. * native/jni/java-lang/Makefile.in: Regenerate. * native/jni/java-math/Makefile.in: Regenerate. * native/jni/java-net/Makefile.in: Regenerate. * native/jni/java-nio/Makefile.in: Regenerate. * native/jni/java-util/Makefile.in: Regenerate. * native/jni/midi-alsa/Makefile.in: Regenerate. * native/jni/midi-dssi/Makefile.in: Regenerate. * native/jni/native-lib/Makefile.in: Regenerate. * native/jni/qt-peer/Makefile.in: Regenerate. * native/jni/xmlj/Makefile.in: Regenerate. * native/plugin/Makefile.in: Regenerate. * resource/Makefile.in: Regenerate. * scripts/Makefile.in: Regenerate. * tools/Makefile.in: Regenerate. libjava/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * gcj/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * include/config.h.in: Regenerate. * testsuite/Makefile.in: Regenerate. libjava/libltdl/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config-h.in: Regenerate. * configure: Regenerate. libmudflap/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libobjc/: * aclocal.m4: Regenerate. * configure: Regenerate. * config.h.in: Regenerate. libssp/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. libstdc++-v3/: * Makefile.in: Regenerate. * acinclude.m4: Regenerate. * aclocal.m4: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * libsupc++/Makefile.in: Regenerate. * po/Makefile.in: Regenerate. * python/Makefile.in: Regenerate. * src/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. zlib/: * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. From-SVN: r151014
2009-08-22 15:22:20 +02:00
[m4_define([_GCC_AUTOCONF_VERSION], [2.64])])
Makefile.tpl ($(srcdir)/configure): Update dependencies. * Makefile.tpl ($(srcdir)/configure): Update dependencies. * Makefile.in: Regenerate. * configure: Regenerate. config/ * override.m4: Use m4_version_prereq throughout. (_AC_ARG_VAR_VALIDATE, AC_MSG_FAILURE): Backport from git Autoconf: output pwd along with fatal errors, so the right config.log file is hinted at more prominently. (PARSE_ARGS): Push setting of ac_pwd in this diversion. (_GCC_AUTOCONF_VERSION): New, define to 2.59 if not defined. (_GCC_AUTOCONF_VERSION_CHECK): New macro, require use of Autoconf version _GCC_AUTOCONF_VERSION throughout the tree. (m4_wrap): New override, fix for Posix semantics of m4wrap. libgcc/ * configure.ac: sinclude override.m4. * configure: Regenerate. gnattools/ * configure.ac: move sinclude of acx.m4 before AC_INIT, also sinclude override.m4. * Makefile.in ($(srcdir)/configure): Update dependencies. * configure: Regenerate. libada/ * configure.ac: move sinclude of acx.m4 before AC_INIT, also sinclude override.m4. * Makefile.in ($(srcdir)/configure): Update dependencies. * configure: Regenerate. intl/ * configure: Regenerate. libiberty/ * configure: Regenerate. boehm-gc/ * Makefile.in: Regenerate. * configure: Regenerate. * include/Makefile.in: Regenerate. * include/gc_config.h.in: Regenerate. fixincludes/ * configure: Regenerate. gcc/ * configure: Regenerate. libcpp/ * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. * configure: Regenerate. libdecnumber/ * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. * configure: Regenerate. libffi/ * configure: Regenerate. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libgfortran/ * configure: Regenerate. libgomp/ * configure: Regenerate. libjava/classpath/ * Makefile.in: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * doc/api/Makefile.in: Regenerate. * examples/Makefile.in: Regenerate. * external/Makefile.in: Regenerate. * external/jsr166/Makefile.in: Regenerate. * external/relaxngDatatype/Makefile.in: Regenerate. * external/sax/Makefile.in: Regenerate. * external/w3c_dom/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * lib/Makefile.in: Regenerate. * native/Makefile.in: Regenerate. * native/fdlibm/Makefile.in: Regenerate. * native/jawt/Makefile.in: Regenerate. * native/jni/Makefile.in: Regenerate. * native/jni/classpath/Makefile.in: Regenerate. * native/jni/gconf-peer/Makefile.in: Regenerate. * native/jni/gstreamer-peer/Makefile.in: Regenerate. * native/jni/gtk-peer/Makefile.in: Regenerate. * native/jni/java-io/Makefile.in: Regenerate. * native/jni/java-lang/Makefile.in: Regenerate. * native/jni/java-net/Makefile.in: Regenerate. * native/jni/java-nio/Makefile.in: Regenerate. * native/jni/java-util/Makefile.in: Regenerate. * native/jni/midi-alsa/Makefile.in: Regenerate. * native/jni/midi-dssi/Makefile.in: Regenerate. * native/jni/native-lib/Makefile.in: Regenerate. * native/jni/qt-peer/Makefile.in: Regenerate. * native/jni/xmlj/Makefile.in: Regenerate. * native/plugin/Makefile.in: Regenerate. * resource/Makefile.in: Regenerate. * scripts/Makefile.in: Regenerate. * tools/Makefile.in: Regenerate. libjava/ * configure: Regenerate. * gcj/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libjava/libltdl/ * Makefile.in: Regenerate. * configure: Regenerate. libmudflap/ * Makefile.in: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libobjc/ * configure: Regenerate. libssp/ * Makefile.in: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. libstdc++-v3/ * configure: Regenerate. zlib/ * Makefile.in: Regenerate. * configure: Regenerate. From-SVN: r136876
2008-06-18 01:13:35 +02:00
dnl Test for the exact version when AC_INIT is expanded.
dnl This allows to update the tree in steps (for testing)
dnl by putting
dnl m4_define([_GCC_AUTOCONF_VERSION], [X.Y])
dnl in configure.ac before AC_INIT,
dnl without rewriting this file.
dnl Or for updating the whole tree at once with the definition above.
AC_DEFUN([_GCC_AUTOCONF_VERSION_CHECK],
[m4_if(m4_defn([_GCC_AUTOCONF_VERSION]),
m4_defn([m4_PACKAGE_VERSION]), [],
[m4_fatal([Please use exactly Autoconf ]_GCC_AUTOCONF_VERSION[ instead of ]m4_defn([m4_PACKAGE_VERSION])[.])])
])
m4_define([AC_INIT], m4_defn([AC_INIT])[
_GCC_AUTOCONF_VERSION_CHECK
])
dnl Ensure we do not use a buggy M4.
m4_if(m4_index([..wi.d.], [.d.]), [-1],
[m4_fatal(m4_do([m4 with buggy strstr detected. Please install
GNU M4 1.4.16 or newer and set the M4 environment variable]))])
dnl Fix 2.64 cross compile detection for AVR and RTEMS
dnl by not trying to compile fopen.
m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.64],
[m4_foreach([_GCC_LANG], [C, C++, Fortran, Fortran 77],
[m4_define([_AC_LANG_IO_PROGRAM(]_GCC_LANG[)], m4_defn([AC_LANG_PROGRAM(]_GCC_LANG[)]))])])
m4_version_prereq([2.66],, [
dnl We need AC_CHECK_DECL which works for overloaded C++ functions.
# _AC_CHECK_DECL_BODY
# -------------------
# Shell function body for AC_CHECK_DECL.
m4_define([_AC_CHECK_DECL_BODY],
[ AS_LINENO_PUSH([$[]1])
[as_decl_name=`echo $][2|sed 's/ *(.*//'`]
[as_decl_use=`echo $][2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`]
AC_CACHE_CHECK([whether $as_decl_name is declared], [$[]3],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$[]4],
[@%:@ifndef $[]as_decl_name
@%:@ifdef __cplusplus
(void) $[]as_decl_use;
@%:@else
(void) $[]as_decl_name;
@%:@endif
@%:@endif
])],
[AS_VAR_SET([$[]3], [yes])],
[AS_VAR_SET([$[]3], [no])])])
AS_LINENO_POP
])# _AC_CHECK_DECL_BODY
# _AC_CHECK_DECLS(SYMBOL, ACTION-IF_FOUND, ACTION-IF-NOT-FOUND,
# INCLUDES)
# -------------------------------------------------------------
# Helper to AC_CHECK_DECLS, which generates the check for a single
# SYMBOL with INCLUDES, performs the AC_DEFINE, then expands
# ACTION-IF-FOUND or ACTION-IF-NOT-FOUND.
m4_define([_AC_CHECK_DECLS],
[AC_CHECK_DECL([$1], [ac_have_decl=1], [ac_have_decl=0], [$4])]dnl
[AC_DEFINE_UNQUOTED(AS_TR_CPP(m4_bpatsubst(HAVE_DECL_[$1],[ *(.*])),
[$ac_have_decl],
[Define to 1 if you have the declaration of `$1',
and to 0 if you don't.])]dnl
[m4_ifvaln([$2$3], [AS_IF([test $ac_have_decl = 1], [$2], [$3])])])
])
])