54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
#serial 5
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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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# From Jim Meyering.
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AC_DEFUN([jm_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__
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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"$ac_cv_win_or_dos" = xyes; then
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ac_fs_accepts_drive_letter_prefix=1
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ac_fs_backslash_is_file_name_separator=1
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else
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ac_fs_accepts_drive_letter_prefix=0
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ac_fs_backslash_is_file_name_separator=0
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fi
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AH_VERBATIM(FILESYSTEM_PREFIX_LEN,
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[#if FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
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# define FILESYSTEM_PREFIX_LEN(Filename) \
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((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)
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#else
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# define FILESYSTEM_PREFIX_LEN(Filename) 0
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#endif])
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AC_DEFINE_UNQUOTED([FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX],
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$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 FILESYSTEM_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([FILESYSTEM_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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