X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffnmatch.m4;h=ce94c84a701505889fdd58420b7574fa54ab3540;hb=272a4999b3891f75cec1544a46a01a59b6932053;hp=1b19d3377856570a5636834a7c96792c9961050f;hpb=08039218a59ee1c02c0372257ef10754d2c4d62e;p=gnulib.git

diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4
index 1b19d3377..ce94c84a7 100644
--- a/m4/fnmatch.m4
+++ b/m4/fnmatch.m4
@@ -1,24 +1,13 @@
 # Check for fnmatch.
 
 # This is a modified version of autoconf's AC_FUNC_FNMATCH.
-# This file should be removed after Autoconf 2.54 is required.
+# This file should be simplified after Autoconf 2.57 is required.
 
-# Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# 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.
 
 # _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE)
 # -------------------------------------------------------------------------
@@ -28,18 +17,26 @@ AC_DEFUN([_AC_FUNC_FNMATCH_IF],
 [AC_CACHE_CHECK(
    [for working $1 fnmatch],
    [$2],
-  [# Some versions of Solaris, SCO, and the GNU C Library
-   # have a broken or incompatible fnmatch.
-   # So we run a test program.  If we are cross-compiling, take no chance.
-   # Thanks to John Oleynick, Franc,ois Pinard, and Paul Eggert for this test.
+  [dnl Some versions of Solaris, SCO, and the GNU C Library
+   dnl have a broken or incompatible fnmatch.
+   dnl So we run a test program.  If we are cross-compiling, take no chance.
+   dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this test.
    AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
-	 [#include <fnmatch.h>
+	 [
+#	   include <stdlib.h>
+#	   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)
@@ -64,24 +61,48 @@ 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_FUNCS([mbsrtowcs mempcpy wmempcpy])
+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])
-AC_CONFIG_LINKS([lib/fnmatch.h:lib/fnmatch_.h])
-AC_DEFINE(fnmatch, rpl_fnmatch,
-          [Define to rpl_fnmatch if the replacement function should be used.])
+FNMATCH_H=fnmatch.h
 ])# _AC_LIBOBJ_FNMATCH
 
 
-# AC_FUNC_FNMATCH_GNU
-# -------------------
-AC_DEFUN([AC_FUNC_FNMATCH_GNU],
-[AC_REQUIRE([AC_GNU_SOURCE])
-_AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu],
-                    [rm -f lib/fnmatch.h],
-                    [_AC_LIBOBJ_FNMATCH])
-])# AC_FUNC_FNMATCH_GNU
+AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
+[
+  FNMATCH_H=
+  _AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_posix],
+                      [rm -f lib/fnmatch.h],
+                      [_AC_LIBOBJ_FNMATCH])
+  if test $ac_cv_func_fnmatch_posix != yes; then
+    dnl We must choose a different name for our function, since on ELF systems
+    dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
+    dnl compiled into a shared library.
+    AC_DEFINE([fnmatch], [posix_fnmatch],
+      [Define to a replacement function name for fnmatch().])
+  fi
+  AC_SUBST([FNMATCH_H])
+])
+
+
+AC_DEFUN([gl_FUNC_FNMATCH_GNU],
+[
+  dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
+  AC_REQUIRE([AC_GNU_SOURCE])
+
+  FNMATCH_H=
+  _AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu],
+                      [rm -f lib/fnmatch.h],
+                      [_AC_LIBOBJ_FNMATCH])
+  if test $ac_cv_func_fnmatch_gnu != yes; then
+    dnl We must choose a different name for our function, since on ELF systems
+    dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
+    dnl compiled into a shared library.
+    AC_DEFINE([fnmatch], [gnu_fnmatch],
+      [Define to a replacement function name for fnmatch().])
+  fi
+  AC_SUBST([FNMATCH_H])
+])