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view m4/dos.m4 @ 269:6cbc409ff09f 2.6
Added asprintf redux
author | lost |
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date | Tue, 22 Dec 2009 05:53:05 +0000 |
parents | bec6d2480f08 |
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#serial 10 -*- autoconf -*- # Define some macros required for proper operation of code in lib/*.c # on MSDOS/Windows systems. # Copyright (C) 2000, 2001, 2004, 2005, 2006 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"$ac_cv_win_or_dos" = xyes; then ac_fs_accepts_drive_letter_prefix=1 ac_fs_backslash_is_file_name_separator=1 AC_CACHE_CHECK([whether drive letter can start relative path], [ac_cv_drive_letter_can_be_relative], [ AC_TRY_COMPILE([], [#if defined __CYGWIN__ drive letters are always absolute #endif], [ac_cv_drive_letter_can_be_relative=yes], [ac_cv_drive_letter_can_be_relative=no]) ]) if test x"$ac_cv_drive_letter_can_be_relative" = xyes; then ac_fs_drive_letter_can_be_relative=1 else ac_fs_drive_letter_can_be_relative=0 fi else ac_fs_accepts_drive_letter_prefix=0 ac_fs_backslash_is_file_name_separator=0 ac_fs_drive_letter_can_be_relative=0 fi 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.]) AC_DEFINE_UNQUOTED([FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE], $ac_fs_drive_letter_can_be_relative, [Define if a drive letter prefix denotes a relative path if it is not followed by a file name component separator.]) ])