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# serial 3
# Define some macros required for proper operation of code in lib/*.c
# on MSDOS/Windows systems.
# From Jim Meyering.
AC_DEFUN(jm_AC_DOS,
[
# FIXME: this is incomplete. Add a compile-test that does something
# like this:
#if defined _WIN32 || defined __WIN32__ || defined __MSDOS__
AH_VERBATIM(FILESYSTEM_PREFIX_LEN,
[#if FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
# define FILESYSTEM_PREFIX_LEN(Filename) \
((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)
else
# define FILESYSTEM_PREFIX_LEN(Filename) 0
#endif])
ac_fs_accepts_drive_letter_prefix=0
AC_DEFINE_UNQUOTED([FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX],
$ac_fs_accepts_drive_letter_prefix,
[Define on systems for which file names may have a so-called
`drive letter' prefix, define this to compute the length of that
prefix, including the colon.])
AH_VERBATIM(ISSLASH,
[#if FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR
# define ISSLASH(C) ((C) == '/' || (C) == '\\')
#else
# define ISSLASH(C) ((C) == '/')
#endif])
ac_fs_backslash_is_file_name_separator=0
AC_DEFINE_UNQUOTED([FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR],
$ac_fs_backslash_is_file_name_separator,
[Define if the backslash character may also serve as a file name
component separator.])
])
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