Apply https://gcc.gnu.org/ml/gcc-patches/2012-09/msg00777/aarch64-int-iterators-backp...

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

diff --git a/fixincludes/configure.ac b/fixincludes/configure.ac
index d885e3c..e7de791 100644 (file)
--- a/fixincludes/configure.ac
+++ b/fixincludes/configure.ac
@@ -1,4 +1,4 @@
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
 
 AC_INIT(fixincludes, [ ])
 AC_CONFIG_SRCDIR(inclhack.def)
@@ -6,6 +6,7 @@ AC_CONFIG_AUX_DIR(..)
 m4_sinclude(../libtool.m4)
 AC_CANONICAL_SYSTEM
 AC_PROG_CC
+AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_SED
 
 # Figure out what compiler warnings we can enable.
@@ -87,7 +88,8 @@ define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
   fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
   putchar_unlocked putc_unlocked)
 AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
-AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS)))
+AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, vasprintf])
+AC_CHECK_DECLS(m4_split(m4_normalize(fixincludes_UNLOCKED_FUNCS)))
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST