X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetsubopt.m4;h=2c52c754d38a1f3aaba44dc0e43dcdef7a082351;hb=48e27cbb6cc9e12006de6edfcafa69aafedadc85;hp=a390a939f8b5116bab9a452e28c328b3d58cc986;hpb=41dccf6a007ea2fdc0eebd71f5bb3b73be43669f;p=gnulib.git

diff --git a/m4/getsubopt.m4 b/m4/getsubopt.m4
index a390a939f..2c52c754d 100644
--- a/m4/getsubopt.m4
+++ b/m4/getsubopt.m4
@@ -1,4 +1,4 @@
-# getsubopt.m4 serial 3
+# getsubopt.m4 serial 4
 dnl Copyright (C) 2004, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_GETSUBOPT],
 [
   dnl Persuade glibc <stdlib.h> to declare getsubopt().
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
   AC_CHECK_FUNCS_ONCE([getsubopt])