-#serial 4
+# Check for fnmatch.
-dnl Determine whether to add fnmatch.o to LIBOBJS and to
-dnl define fnmatch to rpl_fnmatch.
-dnl
+# 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.
-AC_DEFUN([jm_FUNC_FNMATCH],
+# 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
+# IF-FALSE. Use CACHE_VAR.
+AC_DEFUN([_AC_FUNC_FNMATCH_IF],
+[AC_CACHE_CHECK(
+ [for working $1 fnmatch],
+ [$2],
+ [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>
+ 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' < '\\\\')
+ && ]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_FUNC_ALLOCA])dnl
+AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl
+AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>])
+AC_CHECK_FUNCS_ONCE([btowc iswctype mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy])
+AC_CHECK_HEADERS_ONCE([wctype.h])
+AC_LIBOBJ([fnmatch])
+FNMATCH_H=fnmatch.h
+])# _AC_LIBOBJ_FNMATCH
+
+
+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_LIBOBJ(fnmatch)
- AC_DEFINE_UNQUOTED(fnmatch, rpl_fnmatch,
- [Define to rpl_fnmatch if the replacement function should be used.])
+ 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])
])
projects / gnulib.git / blobdiff