-#serial 2
+# Check for fnmatch.
-dnl Determine whether to add fnmatch.o to LIBOBJS and to
-dnl define fnmatch to rpl_fnmatch.
-dnl
+# This is a modified version of autoconf's AC_FUNC_FNMATCH.
+# This file should be simplified after Autoconf 2.57 is required.
-AC_DEFUN(jm_FUNC_FNMATCH,
+# 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.
+
+# _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 <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)
+ ],
+ [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
+
+
+# _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([btowc 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
+
+
+# Additional prerequisites of lib/fnmatch.c, not part of _AC_LIBOBJ_FNMATCH.
+AC_DEFUN([gl_PREREQ_FNMATCH_EXTRA],
+[
+ AC_REQUIRE([AC_HEADER_STDC])
+ AC_CHECK_HEADERS_ONCE(string.h strings.h)
+])
+
+
+AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
[
- AC_REQUIRE([AM_GLIBC])
- AC_FUNC_FNMATCH
- if test $ac_cv_func_fnmatch_works = no \
- && test $ac_cv_gnu_library = no; then
- AC_SUBST(LIBOBJS)
- LIBOBJS="$LIBOBJS fnmatch.$ac_objext"
- AC_DEFINE_UNQUOTED(fnmatch, rpl_fnmatch,
- [Define to rpl_fnmatch if the replacement function should be used.])
+ _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
+ gl_PREREQ_FNMATCH_EXTRA
+ 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_DEFUN([gl_FUNC_FNMATCH_GNU],
+[
+ dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
+ AC_REQUIRE([AC_GNU_SOURCE])
+
+ _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
+ gl_PREREQ_FNMATCH_EXTRA
+ 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
])
projects / gnulib.git / blobdiff