Fix PR c++/42260

[pf3gnuchains/gcc-fork.git] / libmudflap / configure.ac

diff --git a/libmudflap/configure.ac b/libmudflap/configure.ac
index a22be27..9352760 100644 (file)
--- a/libmudflap/configure.ac
+++ b/libmudflap/configure.ac
@@ -1,7 +1,7 @@
 # Process this file with autoconf to produce a configure script, like so:
 # aclocal -I .. -I ../config && autoconf && autoheader && automake
 
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
 AC_INIT(libmudflap, 1.0)
 AC_CONFIG_SRCDIR(mf-runtime.c)
 AC_CANONICAL_SYSTEM
@@ -39,7 +39,7 @@ AC_LANG_C
 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])
 
 AC_SUBST(CFLAGS)
 
@@ -265,6 +265,7 @@ fi
 
 # See if we support thread-local storage.
 GCC_CHECK_TLS
+GCC_CHECK_EMUTLS
 
 AC_CONFIG_FILES([Makefile testsuite/Makefile testsuite/mfconfig.exp])
 AC_OUTPUT