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| author | Claudio Fontana <sick_soul@users.sourceforge.net> | 2005-12-27 04:24:57 +0000 |
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| committer | Claudio Fontana <sick_soul@users.sourceforge.net> | 2005-12-27 04:24:57 +0000 |
| commit | 50916693c92ce904c5a57e1ab6a5a6982d2d67df (patch) | |
| tree | 998f3226f26a9ee835cd5a8ea1d4e5f87070449c /m4/dos.m4 | |
| parent | f25997f7039e40474694aa53031d20f6209ba3d8 (diff) | |
| download | idutils-50916693c92ce904c5a57e1ab6a5a6982d2d67df.tar.gz idutils-50916693c92ce904c5a57e1ab6a5a6982d2d67df.tar.bz2 idutils-50916693c92ce904c5a57e1ab6a5a6982d2d67df.zip | |
* started to address portability problems in the id-utils-4.0 release
Diffstat (limited to 'm4/dos.m4')
| -rw-r--r-- | m4/dos.m4 | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/m4/dos.m4 b/m4/dos.m4 new file mode 100644 index 0000000..0713cf1 --- /dev/null +++ b/m4/dos.m4 @@ -0,0 +1,58 @@ +#serial 9 + +# Define some macros required for proper operation of code in lib/*.c +# on MSDOS/Windows systems. + +# Copyright (C) 2000, 2001, 2004 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# From Jim Meyering. + +AC_DEFUN([gl_AC_DOS], + [ + AC_CACHE_CHECK([whether system is Windows or MSDOS], [ac_cv_win_or_dos], + [ + AC_TRY_COMPILE([], + [#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__ && !defined __CYGWIN__ +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(FILE_SYSTEM_PREFIX_LEN, + [#if FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX +# define FILE_SYSTEM_PREFIX_LEN(Filename) \ + ((Filename)[0] && (Filename)[1] == ':' ? 2 : 0) +#else +# define FILE_SYSTEM_PREFIX_LEN(Filename) 0 +#endif]) + + AC_DEFINE_UNQUOTED([FILE_SYSTEM_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 FILE_SYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR +# define ISSLASH(C) ((C) == '/' || (C) == '\\') +#else +# define ISSLASH(C) ((C) == '/') +#endif]) + + AC_DEFINE_UNQUOTED([FILE_SYSTEM_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.]) + ]) |