-# Check for fnmatch.
+# Check for fnmatch - serial 4.
-# This is a modified version of autoconf's AC_FUNC_FNMATCH.
-# This file should be removed after Autoconf 2.54 is required.
+# Copyright (C) 2000-2007, 2009-2010 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.
-# Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+# Autoconf defines AC_FUNC_FNMATCH, but that is obsolescent.
+# New applications should use the macros below instead.
-# 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.
+# Request a POSIX compliant fnmatch function.
+AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
+[
+ m4_divert_text([DEFAULTS], [gl_fnmatch_required=POSIX])
-# 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.
+ dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
+ dnl This is only needed if gl_fnmatch_required = GNU. It would be possible
+ dnl to avoid this dependency for gl_FUNC_FNMATCH_POSIX by putting
+ dnl gl_FUNC_FNMATCH_GNU into a separate .m4 file.
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-# 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.
+ FNMATCH_H=
+ gl_fnmatch_required_lowercase=`echo $gl_fnmatch_required | tr 'A-Z' 'a-z'`
+ gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}"
+ AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch],
+ [$gl_fnmatch_cache_var],
+ [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
+ dnl test.
+ if test $gl_fnmatch_required = GNU; then
+ gl_fnmatch_gnu_start=
+ gl_fnmatch_gnu_end=
+ else
+ gl_fnmatch_gnu_start='#if 0'
+ gl_fnmatch_gnu_end='#endif'
+ fi
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <fnmatch.h>
+ static int
+ y (char const *pattern, char const *string, int flags)
+ {
+ return fnmatch (pattern, string, flags) == 0;
+ }
+ static int
+ n (char const *pattern, char const *string, int flags)
+ {
+ return fnmatch (pattern, string, flags) == 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)
+ && 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' < '\\\\')
+ $gl_fnmatch_gnu_start
+ && 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)
+ $gl_fnmatch_gnu_end
+ );
+ ]])],
+ [eval "$gl_fnmatch_cache_var=yes"],
+ [eval "$gl_fnmatch_cache_var=no"],
+ [eval "$gl_fnmatch_cache_var=\"guessing no\""])
+ ])
+ eval "gl_fnmatch_result=\"\$$gl_fnmatch_cache_var\""
+ if test "$gl_fnmatch_result" = yes; then
+ dnl Not strictly necessary. Only to avoid spurious leftover files if people
+ dnl don't do "make distclean".
+ rm -f "$gl_source_base/fnmatch.h"
+ else
+ FNMATCH_H=fnmatch.h
+ AC_LIBOBJ([fnmatch])
+ 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_UNQUOTED([fnmatch], [${gl_fnmatch_required_lowercase}_fnmatch],
+ [Define to a replacement function name for fnmatch().])
+ dnl Prerequisites of lib/fnmatch.c.
+ AC_REQUIRE([AC_TYPE_MBSTATE_T])
+ 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])
+ fi
+ AC_SUBST([FNMATCH_H])
+])
-# _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE)
-# -------------------------------------------------------------------------
-# If a STANDARD compliant fnmatch is found, run IF-TRUE, otherwise
-# IF-FALSE. Use CACHE_VAR.
-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.
- AC_RUN_IFELSE(
- [AC_LANG_PROGRAM(
- [#include <fnmatch.h>
-# define y(a, b, c) (fnmatch (a, b, c) == 0)
-# define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH)
- ],
- [exit
- (!(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 ("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)));])],
- [$2=yes],
- [$2=no],
- [$2=cross])])
-AS_IF([test $$2 = yes], [$3], [$4])
-])# _AC_FUNC_FNMATCH_IF
+# Request a POSIX compliant fnmatch function with GNU extensions.
+AC_DEFUN([gl_FUNC_FNMATCH_GNU],
+[
+ m4_divert_text([INIT_PREPARE], [gl_fnmatch_required=GNU])
-
-# _AC_LIBOBJ_FNMATCH
-# ------------------
-# 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_TYPE_MBSTATE_T])dnl
-AC_CHECK_DECLS([getenv])
-AC_CHECK_FUNCS([mbsrtowcs mempcpy 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.])
-])# _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_REQUIRE([gl_FUNC_FNMATCH_POSIX])
+])
projects / gnulib.git / blobdiff