* sockpfaf.m4 (gl_SOCKET_FAMILIES): Avoid gcc -Wall warnings.

[gnulib.git] / m4 / fnmatch.m4

diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4
index bca15ad..d638f67 100644 (file)
--- a/m4/fnmatch.m4
+++ b/m4/fnmatch.m4
@@ -1,13 +1,14 @@
 # Check for fnmatch.
 
-# This is a modified version of autoconf's AC_FUNC_FNMATCH.
-# This file should be simplified after Autoconf 2.57 is required.
-
-# Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
+# Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
+# Autoconf defines AC_FUNC_FNMATCH, but that is obsolescent.
+# New applications should use the macros below instead.
+
 # _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE)
 # -------------------------------------------------------------------------
 # If a STANDARD compliant fnmatch is found, run IF-TRUE, otherwise
@@ -27,9 +28,15 @@ AC_DEFUN([_AC_FUNC_FNMATCH_IF],
 #         include <fnmatch.h>
 #         define y(a, b, c) (fnmatch (a, b, c) == 0)
 #         define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH)
+          static int
+          fnm (char const *pattern, char const *string, int flags)
+          {
+            return fnmatch (pattern, string, flags);
+          }
          ],
         [exit
-          (!(y ("a*", "abc", 0)
+          (!((fnm ? fnm : fnmatch) ("a*", "", 0) == FNM_NOMATCH
+             && y ("a*", "abc", 0)
              && n ("d*/*1", "d/s/1", FNM_PATHNAME)
              && y ("a\\\\bc", "abc", 0)
              && n ("a\\\\bc", "abc", FNM_NOESCAPE)
@@ -54,10 +61,9 @@ AS_IF([test $$2 = yes], [$3], [$4])
 # ------------------
 # Prepare the replacement of fnmatch.
 AC_DEFUN([_AC_LIBOBJ_FNMATCH],
-[AC_REQUIRE([AC_C_CONST])dnl
-AC_REQUIRE([AC_FUNC_ALLOCA])dnl
+[AC_REQUIRE([AC_FUNC_ALLOCA])dnl
 AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl
-AC_CHECK_DECLS([getenv])
+AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>])
 AC_CHECK_FUNCS([btowc mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy])
 AC_CHECK_HEADERS([wchar.h wctype.h])
 AC_LIBOBJ([fnmatch])