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/* Configuration for GCC for Intel 80386 running DJGPP.
Copyright (C) 1988-2015 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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 3, or (at your option)
any later version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Use semicolons to separate elements of a path. */
#define PATH_SEPARATOR ';'
#define HOST_EXECUTABLE_SUFFIX ".exe"
/* 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)
#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); \
} \
} 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); \
}
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