98 lines
3.9 KiB
C
98 lines
3.9 KiB
C
/* Configuration for GNU C-compiler for Intel 80386 running DJGPP.
|
|
Copyright (C) 1988, 1996, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU CC.
|
|
|
|
GNU CC is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU CC is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU CC; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
/* Use semicolons to separate elements of a path. */
|
|
#define PATH_SEPARATOR ';'
|
|
|
|
#define HOST_EXECUTABLE_SUFFIX ".exe"
|
|
|
|
/* Even though we support "/", allow "\" since everybody tests both. */
|
|
#define DIR_SEPARATOR '/'
|
|
#define DIR_SEPARATOR_2 '\\'
|
|
|
|
/* Allow test for DOS drive names. */
|
|
#define HAVE_DOS_BASED_FILE_SYSTEM
|
|
|
|
/* System dependent initialization for collect2
|
|
to tell system() to act like Unix. */
|
|
#define COLLECT2_HOST_INITIALIZATION \
|
|
do { __system_flags |= (__system_allow_multiple_cmds \
|
|
| __system_emulate_chdir); } while (0)
|
|
|
|
/* Define a version appropriate for DOS. */
|
|
#undef XREF_FILE_NAME
|
|
#define XREF_FILE_NAME(xref_file, file) \
|
|
do { \
|
|
const char xref_ext[] = ".gxref"; \
|
|
strcpy (xref_file, file); \
|
|
s = basename (xref_file); \
|
|
t = strchr (s, '.'); \
|
|
if (t) \
|
|
strcpy (t, xref_ext); \
|
|
else \
|
|
strcat (xref_file, xref_ext); \
|
|
} while (0)
|
|
|
|
/* Change /dev/env/DJDIR/prefix/dir/ to canonical form so gcc_exec_prefix
|
|
is set properly in 'gcc.c'. It also helps to cut down the number of times
|
|
the value of the DJGPP environment variable 'DJDIR' is evaluated. */
|
|
#undef GCC_DRIVER_HOST_INITIALIZATION
|
|
#define GCC_DRIVER_HOST_INITIALIZATION \
|
|
do { \
|
|
/* If the environment variable DJDIR is not defined, then DJGPP is not \
|
|
installed correctly and GCC will quickly become confused with the \
|
|
default prefix settings. Report the problem now so the user doesn't \
|
|
receive deceptive "file not found" error messages later. */ \
|
|
char *djdir = getenv ("DJDIR"); \
|
|
if (djdir == NULL) \
|
|
{ \
|
|
/* DJDIR is automatically defined by the DJGPP environment config \
|
|
file pointed to by the environment variable DJGPP. Examine DJGPP \
|
|
to try and figure out what's wrong. */ \
|
|
char *djgpp = getenv ("DJGPP"); \
|
|
if (djgpp == NULL) \
|
|
fatal ("environment variable DJGPP not defined"); \
|
|
else if (access (djgpp, R_OK) == 0) \
|
|
fatal ("environment variable DJGPP points to missing file '%s'", \
|
|
djgpp); \
|
|
else \
|
|
fatal ("environment variable DJGPP points to corrupt file '%s'", \
|
|
djgpp); \
|
|
} \
|
|
standard_exec_prefix = update_path (standard_exec_prefix, NULL); \
|
|
standard_bindir_prefix = update_path (standard_bindir_prefix, NULL); \
|
|
standard_startfile_prefix = update_path (standard_startfile_prefix, NULL); \
|
|
} while (0)
|
|
|
|
/* Canonicalize paths containing '/dev/env/'; used in prefix.c.
|
|
_fixpath is a djgpp-specific function to canonicalize a path.
|
|
"/dev/env/DJDIR" evaluates to "c:/djgpp" if DJDIR is "c:/djgpp" for
|
|
example. It removes any trailing '/', so add it back. */
|
|
/* We cannot free PATH below as it can point to string constant */
|
|
#define UPDATE_PATH_HOST_CANONICALIZE(PATH) \
|
|
if (memcmp ((PATH), "/dev/env/", sizeof("/dev/env/") - 1) == 0) \
|
|
{ \
|
|
static char fixed_path[FILENAME_MAX + 1]; \
|
|
\
|
|
_fixpath ((PATH), fixed_path); \
|
|
strcat (fixed_path, "/"); \
|
|
(PATH) = xstrdup (fixed_path); \
|
|
}
|