3 # Define some macros required for proper operation of code in lib/*.c
4 # on MSDOS/Windows systems.
6 # Copyright (C) 2000, 2001, 2004 Free Software Foundation, Inc.
7 # This file is free software; the Free Software Foundation
8 # gives unlimited permission to copy and/or distribute it,
9 # with or without modifications, as long as this notice is preserved.
15 AC_CACHE_CHECK([whether system is Windows or MSDOS], [ac_cv_win_or_dos],
18 [#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__ && !defined __CYGWIN__
19 neither MSDOS nor Windows
21 [ac_cv_win_or_dos=yes],
22 [ac_cv_win_or_dos=no])
25 if test x"$ac_cv_win_or_dos" = xyes; then
26 ac_fs_accepts_drive_letter_prefix=1
27 ac_fs_backslash_is_file_name_separator=1
29 ac_fs_accepts_drive_letter_prefix=0
30 ac_fs_backslash_is_file_name_separator=0
33 AH_VERBATIM(FILE_SYSTEM_PREFIX_LEN,
34 [#if FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
35 # define FILE_SYSTEM_PREFIX_LEN(Filename) \
36 ((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)
38 # define FILE_SYSTEM_PREFIX_LEN(Filename) 0
41 AC_DEFINE_UNQUOTED([FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX],
42 $ac_fs_accepts_drive_letter_prefix,
43 [Define on systems for which file names may have a so-called
44 `drive letter' prefix, define this to compute the length of that
45 prefix, including the colon.])
48 [#if FILE_SYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR
49 # define ISSLASH(C) ((C) == '/' || (C) == '\\')
51 # define ISSLASH(C) ((C) == '/')
54 AC_DEFINE_UNQUOTED([FILE_SYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR],
55 $ac_fs_backslash_is_file_name_separator,
56 [Define if the backslash character may also serve as a file name
57 component separator.])