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110 lines
3.7 KiB
Plaintext
110 lines
3.7 KiB
Plaintext
# Check for fnmatch.
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# This is a modified version of autoconf's AC_FUNC_FNMATCH.
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# This file should be simplified after Autoconf 2.57 is required.
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# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software
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# Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE)
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# -------------------------------------------------------------------------
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# If a STANDARD compliant fnmatch is found, run IF-TRUE, otherwise
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# IF-FALSE. Use CACHE_VAR.
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AC_DEFUN([_AC_FUNC_FNMATCH_IF],
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[AC_CACHE_CHECK(
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[for working $1 fnmatch],
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[$2],
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[dnl Some versions of Solaris, SCO, and the GNU C Library
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dnl have a broken or incompatible fnmatch.
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dnl So we run a test program. If we are cross-compiling, take no chance.
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dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this test.
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AC_RUN_IFELSE(
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[AC_LANG_PROGRAM(
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[
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# include <stdlib.h>
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# include <fnmatch.h>
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# define y(a, b, c) (fnmatch (a, b, c) == 0)
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# define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH)
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static int
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fnm (char const *pattern, char const *string, int flags)
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{
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return fnmatch (pattern, string, flags);
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}
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],
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[exit
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(!((fnm ? fnm : fnmatch) ("a*", "", 0) == FNM_NOMATCH
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&& y ("a*", "abc", 0)
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&& n ("d*/*1", "d/s/1", FNM_PATHNAME)
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&& y ("a\\\\bc", "abc", 0)
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&& n ("a\\\\bc", "abc", FNM_NOESCAPE)
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&& y ("*x", ".x", 0)
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&& n ("*x", ".x", FNM_PERIOD)
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&& m4_if([$1], [GNU],
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[y ("xxXX", "xXxX", FNM_CASEFOLD)
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&& y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH)
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&& n ("d*/*1", "d/s/1", FNM_FILE_NAME)
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&& y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR)
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&& y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR)
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&& y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR)],
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1)));])],
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[$2=yes],
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[$2=no],
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[$2=cross])])
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AS_IF([test $$2 = yes], [$3], [$4])
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])# _AC_FUNC_FNMATCH_IF
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# _AC_LIBOBJ_FNMATCH
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# ------------------
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# Prepare the replacement of fnmatch.
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AC_DEFUN([_AC_LIBOBJ_FNMATCH],
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[AC_REQUIRE([AC_C_CONST])dnl
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AC_REQUIRE([AC_FUNC_ALLOCA])dnl
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AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl
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AC_CHECK_DECLS([getenv])
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AC_CHECK_FUNCS([btowc mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy])
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AC_CHECK_HEADERS([wchar.h wctype.h])
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AC_LIBOBJ([fnmatch])
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FNMATCH_H=fnmatch.h
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])# _AC_LIBOBJ_FNMATCH
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AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
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[
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FNMATCH_H=
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_AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_posix],
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[rm -f lib/fnmatch.h],
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[_AC_LIBOBJ_FNMATCH])
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if test $ac_cv_func_fnmatch_posix != yes; then
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dnl We must choose a different name for our function, since on ELF systems
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dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
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dnl compiled into a shared library.
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AC_DEFINE([fnmatch], [posix_fnmatch],
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[Define to a replacement function name for fnmatch().])
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fi
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AC_SUBST([FNMATCH_H])
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])
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AC_DEFUN([gl_FUNC_FNMATCH_GNU],
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[
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dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
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AC_REQUIRE([AC_GNU_SOURCE])
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FNMATCH_H=
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_AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu],
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[rm -f lib/fnmatch.h],
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[_AC_LIBOBJ_FNMATCH])
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if test $ac_cv_func_fnmatch_gnu != yes; then
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dnl We must choose a different name for our function, since on ELF systems
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dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
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dnl compiled into a shared library.
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AC_DEFINE([fnmatch], [gnu_fnmatch],
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[Define to a replacement function name for fnmatch().])
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fi
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AC_SUBST([FNMATCH_H])
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])
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