Make it possible to compile strerror.c separately, unconditionally.

[gnulib.git] / m4 / strerror.m4

diff --git a/m4/strerror.m4 b/m4/strerror.m4
index 32bc7ed..bbcda30 100644 (file)
--- a/m4/strerror.m4
+++ b/m4/strerror.m4
@@ -1,17 +1,25 @@
-# strerror.m4 serial 2
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# strerror.m4 serial 3
+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,
 dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_STRERROR],
 [
-  AC_REPLACE_FUNCS(strerror)
+  AC_CHECK_FUNCS_ONCE([strerror])
   if test $ac_cv_func_strerror = no; then
+    AC_LIBOBJ([strerror])
     gl_PREREQ_STRERROR
   fi
 ])
 
+# Like gl_FUNC_STRERROR, except prepare for separate compilation (no AC_LIBOBJ).
+AC_DEFUN([gl_FUNC_STRERROR_SEPARATE],
+[
+  AC_CHECK_FUNCS_ONCE([strerror])
+  gl_PREREQ_STRERROR
+])
+
 # Prerequisites of lib/strerror.c.
 AC_DEFUN([gl_PREREQ_STRERROR], [
   :