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-rw-r--r--config/ChangeLog10
-rw-r--r--config/extensions.m47
-rw-r--r--config/no-executables.m44
-rw-r--r--config/override.m412
-rw-r--r--config/tls.m44
5 files changed, 30 insertions, 7 deletions
diff --git a/config/ChangeLog b/config/ChangeLog
index 96d5f75..809275e 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,13 @@
+2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * extensions.m4 (AC_USE_SYSTEM_EXTENSIONS): Do not expand
+ for Autoconf 2.62 or newer.
+ * tls.m4 (GCC_CHECK_TLS): Fix m4 quotation.
+ * no-executables.m4 (_AC_COMPILER_EXEEXT): Fix m4 quotation.
+ * override.m4 (m4_copy_force, m4_rename_force): Provide
+ macros if not defined.
+ (AC_PREREQ): Use m4_copy_force.
+
2009-07-17 Joseph Myers <joseph@codesourcery.com>
PR other/40784
diff --git a/config/extensions.m4 b/config/extensions.m4
index 8ae4a67..eb59f27 100644
--- a/config/extensions.m4
+++ b/config/extensions.m4
@@ -1,7 +1,7 @@
-# serial 5 -*- Autoconf -*-
+# serial 6 -*- Autoconf -*-
# Enable extensions on systems that normally disable them.
-# Copyright (C) 2003, 2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2006, 2007, 2009 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@@ -12,6 +12,8 @@
# enough in this area it's likely we'll need to redefine
# AC_USE_SYSTEM_EXTENSIONS for quite some time.
+m4_version_prereq([2.62],, [
+
# AC_USE_SYSTEM_EXTENSIONS
# ------------------------
# Enable extensions on systems that normally disable them,
@@ -74,3 +76,4 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
AC_DEFINE([_TANDEM_SOURCE])
])# AC_USE_SYSTEM_EXTENSIONS
+])
diff --git a/config/no-executables.m4 b/config/no-executables.m4
index c4d0b70..9061624 100644
--- a/config/no-executables.m4
+++ b/config/no-executables.m4
@@ -25,7 +25,7 @@ AC_BEFORE([$0], [_AC_COMPILER_EXEEXT])
AC_BEFORE([$0], [AC_LINK_IFELSE])
m4_define([_AC_COMPILER_EXEEXT],
-AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
+[AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
# FIXME: Cleanup?
AS_IF([AC_TRY_EVAL(ac_link)], [gcc_no_link=no], [gcc_no_link=yes])
if test x$gcc_no_link = xyes; then
@@ -35,7 +35,7 @@ if test x$gcc_no_link = xyes; then
cross_compiling=yes
EXEEXT=
else
- m4_defn([_AC_COMPILER_EXEEXT])dnl
+ ]m4_defn([_AC_COMPILER_EXEEXT])dnl
fi
)
diff --git a/config/override.m4 b/config/override.m4
index 9bb1496..bf112db 100644
--- a/config/override.m4
+++ b/config/override.m4
@@ -12,6 +12,16 @@ dnl
dnl The _GCC_AUTOCONF_VERSION_TEST ensures that exactly the desired
dnl Autoconf version is used. It should be kept for consistency.
+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 m4_PACKAGE_VERSION is an undocumented Autoconf macro.
dnl We use it because this fix is intended for 2.59 only.
dnl A feature test for the broken AC_CONFIG_SUBDIRS instead
@@ -25,7 +35,7 @@ ifdef([m4_PACKAGE_VERSION],
[dnl AC_DEFUN a commonly used macro so this file is picked up.
m4_copy([AC_PREREQ], [_AC_PREREQ])
AC_DEFUN([AC_PREREQ], [frob])
-m4_copy([_AC_PREREQ], [AC_PREREQ])
+m4_copy_force([_AC_PREREQ], [AC_PREREQ])
dnl Ensure exactly this Autoconf version is used
diff --git a/config/tls.m4 b/config/tls.m4
index 0ae6046..79cf382 100644
--- a/config/tls.m4
+++ b/config/tls.m4
@@ -11,8 +11,8 @@ AC_DEFUN([GCC_CHECK_TLS], [
chktls_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
AC_LINK_IFELSE([int main() { return 0; }],
- AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
- [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no],[]),
+ [AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no],[])],
[gcc_cv_have_tls=yes])
LDFLAGS="$chktls_save_LDFLAGS"
if test $gcc_cv_have_tls = yes; then