extensions.m4 (AC_USE_SYSTEM_EXTENSIONS): Do not expand for Autoconf 2.62 or newer.

config/
	* 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.

boehm-gc/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libada/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libffi/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libgfortran/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libgomp/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libjava/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libmudflap/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libobjc/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libssp/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

zlib/
	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libstdc++-v3/
	* acinclude.m4 (GLIBCXX_CONFIGURE): Use m4_rename_force.

From-SVN: r150269
diff --git a/libobjc/configure.ac b/libobjc/configure.ac
index dd7751e..036e34c 100644
--- a/libobjc/configure.ac
+++ b/libobjc/configure.ac
@@ -153,7 +153,7 @@
 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
 m4_define([_AC_ARG_VAR_PRECIOUS],[])
 AC_PROG_CC
-m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
 
 # extra LD Flags which are required for targets
 case "${host}" in