X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fffs.m4;h=37d92e70da53c406f7258d1cb14f2fcdefacb4b1;hb=43593319b31e6b0175b8eec4433bac744959822d;hp=2a350784a6baaae70bd7d6d2cfc35f5132315361;hpb=a918da4d61d28be61a12605c9d35e2cf3966d866;p=gnulib.git

diff --git a/m4/ffs.m4 b/m4/ffs.m4
index 2a350784a..37d92e70d 100644
--- a/m4/ffs.m4
+++ b/m4/ffs.m4
@@ -1,11 +1,12 @@
-# ffs.m4 serial 1
-dnl Copyright (C) 2011 Free Software Foundation, Inc.
+# ffs.m4 serial 2
+dnl Copyright (C) 2011-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_FFS],
 [
+  AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
   AC_CHECK_FUNCS_ONCE([ffs])
   if test $ac_cv_func_ffs = no; then
     HAVE_FFS=0