Implement 'isfinite' module.

[gnulib.git] / m4 / stpcpy.m4

diff --git a/m4/stpcpy.m4 b/m4/stpcpy.m4
index c48aa9c..c38f40e 100644 (file)
--- a/m4/stpcpy.m4
+++ b/m4/stpcpy.m4
@@ -1,4 +1,4 @@
-# stpcpy.m4 serial 4
+# stpcpy.m4 serial 6
 dnl Copyright (C) 2002, 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,
@@ -7,9 +7,9 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_STPCPY],
 [
   dnl Persuade glibc <string.h> to declare stpcpy().
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
-  dnl The stpcpy() declaration in lib/string_.h uses 'restrict'.
+  dnl The stpcpy() declaration in lib/string.in.h uses 'restrict'.
   AC_REQUIRE([AC_C_RESTRICT])
 
   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])