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| author | Jim Meyering <jim@meyering.net> | 2001-05-21 06:46:52 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2001-05-21 06:46:52 +0000 |
| commit | 8e1897a33bc7873d7b69b6f7f57f748129e4a787 (patch) | |
| tree | 7d7174c22af7d1c70d0d61073f45cb0d730f8f2b /m4 | |
| parent | 2c3988dbca72ed1c9ba0e17f470eefd863912bc8 (diff) | |
| download | coreutils-8e1897a33bc7873d7b69b6f7f57f748129e4a787.tar.xz | |
(jm_AC_DOS): Check for _WIN32, __WIN32__, and __MSDOS__.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/dos.m4 | 26 |
1 files changed, 19 insertions, 7 deletions
@@ -1,4 +1,4 @@ -# serial 3 +# serial 4 # Define some macros required for proper operation of code in lib/*.c # on MSDOS/Windows systems. @@ -7,19 +7,32 @@ 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__ + AC_CACHE_CHECK([whether system is Windows or MSDOS], [ac_cv_win_or_dos], + [ + AC_TRY_COMPILE([], + [#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__ +neither MSDOS nor Windows +#endif], + [ac_cv_win_or_dos=yes], + [ac_cv_win_or_dos=no]) + ]) + + if test x"$ac_cv_win_or_dos" = xyes; then + ac_fs_accepts_drive_letter_prefix=1 + ac_fs_backslash_is_file_name_separator=1 + else + ac_fs_accepts_drive_letter_prefix=0 + ac_fs_backslash_is_file_name_separator=0 + fi AH_VERBATIM(FILESYSTEM_PREFIX_LEN, [#if FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX # define FILESYSTEM_PREFIX_LEN(Filename) \ ((Filename)[0] && (Filename)[1] == ':' ? 2 : 0) -else +#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 @@ -33,7 +46,6 @@ 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 |