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/* Configuration for GCC for Intel 80386 running DJGPP.
Copyright (C) 1988-2022 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"
/* Define standard DJGPP installation paths. */
/* We override default /usr or /usr/local part with /dev/env/DJDIR which */
/* points to actual DJGPP installation directory. */
/* Native system include directory */
#undef NATIVE_SYSTEM_HEADER_DIR
#define NATIVE_SYSTEM_HEADER_DIR "/dev/env/DJDIR/include/"
/* Search for as.exe and ld.exe in DJGPP's binary directory. */
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/dev/env/DJDIR/bin/"
/* Standard DJGPP library and startup files */
#undef STANDARD_STARTFILE_PREFIX_1
#define STANDARD_STARTFILE_PREFIX_1 "/dev/env/DJDIR/lib/"
/* Define STANDARD_STARTFILE_PREFIX_2 equal to STANDARD_STARTFILE_PREFIX_1
to avoid gcc.cc redefining it to /usr/lib */
#undef STANDARD_STARTFILE_PREFIX_2
#define STANDARD_STARTFILE_PREFIX_1 "/dev/env/DJDIR/lib/"
/* Make sure that gcc will not look for .h files in /usr/local/include
unless user explicitly requests it. */
#undef LOCAL_INCLUDE_DIR
/* 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_error (UNKNOWN_LOCATION, "environment variable DJGPP not defined"); \
else if (access (djgpp, R_OK) == 0) \
fatal_error (UNKNOWN_LOCATION, "environment variable DJGPP points to missing file %qs", \
djgpp); \
else \
fatal_error (UNKNOWN_LOCATION, "environment variable DJGPP points to corrupt file %qs", \
djgpp); \
} \
} while (0)
/* Canonicalize paths containing '/dev/env/'; used in prefix.cc.
_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); \
}
#undef MAX_OFILE_ALIGNMENT
#define MAX_OFILE_ALIGNMENT 128
/* DJGPP versions up to current (2.05) have ftw.h but only ftw() not nftw().
Disable use of ftw.h */
#undef HAVE_FTW_H
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