md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT

[gnulib.git] / m4 / stpcpy.m4

diff --git a/m4/stpcpy.m4 b/m4/stpcpy.m4
index ce8d92f..41fcb0e 100644 (file)
--- a/m4/stpcpy.m4
+++ b/m4/stpcpy.m4
@@ -1,5 +1,5 @@
-# stpcpy.m4 serial 1
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# stpcpy.m4 serial 8
+dnl Copyright (C) 2002, 2007, 2009-2013 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.
@@ -7,11 +7,15 @@ 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])
 
-  AC_REPLACE_FUNCS(stpcpy)
+  dnl The stpcpy() declaration in lib/string.in.h uses 'restrict'.
+  AC_REQUIRE([AC_C_RESTRICT])
+
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  AC_CHECK_FUNCS([stpcpy])
   if test $ac_cv_func_stpcpy = no; then
-    gl_PREREQ_STPCPY
+    HAVE_STPCPY=0
   fi
 ])
 
@@ -19,4 +23,3 @@ AC_DEFUN([gl_FUNC_STPCPY],
 AC_DEFUN([gl_PREREQ_STPCPY], [
   :
 ])
-