Tests for module 'sigprocmask'.

[gnulib.git] / m4 / wmemchr.m4

diff --git a/m4/wmemchr.m4 b/m4/wmemchr.m4
index 9a52b34..2853045 100644 (file)
--- a/m4/wmemchr.m4
+++ b/m4/wmemchr.m4
@@ -1,4 +1,4 @@
-# wmemchr.m4 serial 1
+# wmemchr.m4 serial 2
 dnl Copyright (C) 2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -6,5 +6,9 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_WMEMCHR],
 [
-  AC_REPLACE_FUNCS([wmemchr])
+  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+  AC_CHECK_FUNCS_ONCE([wmemchr])
+  if test $ac_cv_func_wmemchr = no; then
+    HAVE_WMEMCHR=0
+  fi
 ])