X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffnmatch.m4;h=495cbf940efecd6367d3a3f81a0eecfac0fb2697;hb=f664d100c1b6807491654bfdf6d90e2d9fd5b4fd;hp=863265151b6958cd0955070940dc9e911a419f07;hpb=95d2aaeab5b8caa01c776d3afa097220cd8982b9;p=gnulib.git

diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4
index 863265151..495cbf940 100644
--- a/m4/fnmatch.m4
+++ b/m4/fnmatch.m4
@@ -1,13 +1,14 @@
-# Check for fnmatch.
+# Check for fnmatch - serial 2.
 
-# 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, 2007 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
@@ -22,33 +23,52 @@ AC_DEFUN([_AC_FUNC_FNMATCH_IF],
    dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this test.
    AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
-	 [
-#	   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)
+	 [[#include <fnmatch.h>
+	   static int
+	   y (char const *pattern, char const *string, int flags)
+	   {
+	     return fnmatch (pattern, string, flags) == 0;
+	   }
 	   static int
-	   fnm (char const *pattern, char const *string, int flags)
+	   n (char const *pattern, char const *string, int flags)
 	   {
-	     return fnmatch (pattern, string, flags);
+	     return fnmatch (pattern, string, flags) == FNM_NOMATCH;
 	   }
-         ],
-	 [exit
-	   (!((fnm ? fnm : fnmatch) ("a*", "", 0) == FNM_NOMATCH
+	 ]],
+	 [[char const *Apat = 'A' < '\\\\' ? "[A-\\\\\\\\]" : "[\\\\\\\\-A]";
+	   char const *apat = 'a' < '\\\\' ? "[a-\\\\\\\\]" : "[\\\\\\\\-a]";
+	   static char const A_1[] = { 'A' - 1, 0 };
+	   static char const A01[] = { 'A' + 1, 0 };
+	   static char const a_1[] = { 'a' - 1, 0 };
+	   static char const a01[] = { 'a' + 1, 0 };
+	   static char const bs_1[] = { '\\\\' - 1, 0 };
+	   static char const bs01[] = { '\\\\' + 1, 0 };
+	   return
+	    !(n ("a*", "", 0)
 	      && y ("a*", "abc", 0)
 	      && n ("d*/*1", "d/s/1", FNM_PATHNAME)
 	      && y ("a\\\\bc", "abc", 0)
 	      && n ("a\\\\bc", "abc", FNM_NOESCAPE)
 	      && y ("*x", ".x", 0)
 	      && n ("*x", ".x", FNM_PERIOD)
-	      && m4_if([$1], [GNU],
+	      && y (Apat, "\\\\", 0) && y (Apat, "A", 0)
+	      && y (apat, "\\\\", 0) && y (apat, "a", 0)
+	      && n (Apat, A_1, 0) == ('A' < '\\\\')
+	      && n (apat, a_1, 0) == ('a' < '\\\\')
+	      && y (Apat, A01, 0) == ('A' < '\\\\')
+	      && y (apat, a01, 0) == ('a' < '\\\\')
+	      && y (Apat, bs_1, 0) == ('A' < '\\\\')
+	      && y (apat, bs_1, 0) == ('a' < '\\\\')
+	      && n (Apat, bs01, 0) == ('A' < '\\\\')
+	      && n (apat, bs01, 0) == ('a' < '\\\\')
+	      && ]m4_if([$1], [GNU],
 		   [y ("xxXX", "xXxX", FNM_CASEFOLD)
 		    && y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH)
 		    && n ("d*/*1", "d/s/1", FNM_FILE_NAME)
 		    && y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR)
 		    && y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR)
 		    && y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR)],
-		   1)));])],
+		   1))[;]])],
       [$2=yes],
       [$2=no],
       [$2=cross])])
@@ -60,12 +80,11 @@ 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([btowc mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy])
-AC_CHECK_HEADERS([wchar.h wctype.h])
+AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>])
+AC_CHECK_FUNCS_ONCE([btowc isblank iswctype mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy])
+AC_CHECK_HEADERS_ONCE([wctype.h])
 AC_LIBOBJ([fnmatch])
 FNMATCH_H=fnmatch.h
 ])# _AC_LIBOBJ_FNMATCH
@@ -75,8 +94,8 @@ 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])
+		      [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
@@ -91,12 +110,12 @@ AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
 AC_DEFUN([gl_FUNC_FNMATCH_GNU],
 [
   dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
   FNMATCH_H=
   _AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu],
-                      [rm -f lib/fnmatch.h],
-                      [_AC_LIBOBJ_FNMATCH])
+		      [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