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(jm_AC_DOS): New file and macro.

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Jim Meyering
2000-12-17 09:22:56 +00:00
parent 3f6afc4a7a
commit 55f51356fb
1 changed files with 24 additions and 0 deletions
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m4/dos.m4 Normal file
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# serial 1
# Define some macros required for proper operation of code in lib/*.c
# on MSDOS/Windows systems.
# From Jim Meyering.
AC_DEFUN(jm_AC_DOS,
[
#if defined _WIN32 || defined __WIN32__ || defined __MSDOS__
ac_fspl_def="((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)"
ac_fspl_def=0
AC_DEFINE_UNQUOTED([FILESYSTEM_PREFIX_LEN], $ac_fspl_def,
[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. Otherwise, define it to zero.])
ac_isslash_def="((C) == '/' || (C) == '\\')"
ac_isslash_def="((C) == '/')"
AC_DEFINE_UNQUOTED([ISSLASH], $ac_isslash_def,
[Define to return nonzero for any character that may serve as
a file name component separator. On POSIX systems, it is the
slash character. Some other systems also accept backslash.])
])