New module 'frexpl'.

[gnulib.git] / m4 / strcasestr.m4

diff --git a/m4/strcasestr.m4 b/m4/strcasestr.m4
index 61c348a..52f3a58 100644 (file)
--- a/m4/strcasestr.m4
+++ b/m4/strcasestr.m4
@@ -1,4 +1,4 @@
-# strcasestr.m4 serial 4
+# strcasestr.m4 serial 6
 dnl Copyright (C) 2005, 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,
@@ -7,15 +7,14 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_STRCASESTR],
 [
   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
-  dnl No known system has a strcasestr() function that works correctly in
-  dnl multibyte locales. Therefore we use our version always.
-  AC_LIBOBJ(strcasestr)
-  REPLACE_STRCASESTR=1
-  gl_PREREQ_STRCASESTR
+  AC_REPLACE_FUNCS(strcasestr)
+  if test $ac_cv_func_strcasestr = no; then
+    HAVE_STRCASESTR=0
+    gl_PREREQ_STRCASESTR
+  fi
 ])
 
 # Prerequisites of lib/strcasestr.c.
 AC_DEFUN([gl_PREREQ_STRCASESTR], [
-  AC_REQUIRE([gl_FUNC_MBRTOWC])
   :
 ])