maint: update copyright

[gnulib.git] / m4 / strverscmp.m4

diff --git a/m4/strverscmp.m4 b/m4/strverscmp.m4
index 9f36c6e..aca1d54 100644 (file)
--- a/m4/strverscmp.m4
+++ b/m4/strverscmp.m4
@@ -1,5 +1,5 @@
-# strverscmp.m4 serial 2
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# strverscmp.m4 serial 8
+dnl Copyright (C) 2002, 2005-2014 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 +7,12 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_STRVERSCMP],
 [
   dnl Persuade glibc <string.h> to declare strverscmp().
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
-  AC_REPLACE_FUNCS(strverscmp)
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  AC_CHECK_FUNCS([strverscmp])
   if test $ac_cv_func_strverscmp = no; then
-    gl_PREREQ_STRVERSCMP
+    HAVE_STRVERSCMP=0
   fi
 ])