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71 lines
2.3 KiB
Plaintext
71 lines
2.3 KiB
Plaintext
#serial 8
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# Define some macros required for proper operation of code in lib/*.c
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# on MSDOS/Windows systems.
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# Copyright (C) 2000, 2001, 2004 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# From Jim Meyering.
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AC_DEFUN([gl_AC_DOS],
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[
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AC_CACHE_CHECK([whether system is Windows or MSDOS], [ac_cv_win_or_dos],
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[
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AC_TRY_COMPILE([],
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[#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__ && !defined __CYGWIN__
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neither MSDOS nor Windows
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#endif],
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[ac_cv_win_or_dos=yes],
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[ac_cv_win_or_dos=no])
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])
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if test x"$ac_cv_win_or_dos" = xyes; then
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ac_fs_accepts_drive_letter_prefix=1
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ac_fs_backslash_is_file_name_separator=1
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else
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ac_fs_accepts_drive_letter_prefix=0
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ac_fs_backslash_is_file_name_separator=0
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fi
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AH_VERBATIM(FILE_SYSTEM_PREFIX_LEN,
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[#if FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
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# define FILE_SYSTEM_PREFIX_LEN(Filename) \
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((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)
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#else
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# define FILE_SYSTEM_PREFIX_LEN(Filename) 0
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#endif])
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AC_DEFINE_UNQUOTED([FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX],
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$ac_fs_accepts_drive_letter_prefix,
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[Define on systems for which file names may have a so-called
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`drive letter' prefix, define this to compute the length of that
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prefix, including the colon.])
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AH_VERBATIM(ISSLASH,
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[#if FILE_SYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR
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# define ISSLASH(C) ((C) == '/' || (C) == '\\')
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#else
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# define ISSLASH(C) ((C) == '/')
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#endif])
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AC_DEFINE_UNQUOTED([FILE_SYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR],
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$ac_fs_backslash_is_file_name_separator,
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[Define if the backslash character may also serve as a file name
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component separator.])
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])
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