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86 lines
3.2 KiB
C
86 lines
3.2 KiB
C
/* Configuration for GCC for Intel 80386 running DJGPP.
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Copyright (C) 1988, 1996, 1998, 1999, 2000, 2001, 2004
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* Use semicolons to separate elements of a path. */
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#define PATH_SEPARATOR ';'
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#define HOST_EXECUTABLE_SUFFIX ".exe"
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/* System dependent initialization for collect2
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to tell system() to act like Unix. */
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#define COLLECT2_HOST_INITIALIZATION \
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do { __system_flags |= (__system_allow_multiple_cmds \
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| __system_emulate_chdir); } while (0)
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/* Define a version appropriate for DOS. */
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#undef XREF_FILE_NAME
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#define XREF_FILE_NAME(xref_file, file) \
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do { \
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const char xref_ext[] = ".gxref"; \
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strcpy (xref_file, file); \
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s = basename (xref_file); \
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t = strchr (s, '.'); \
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if (t) \
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strcpy (t, xref_ext); \
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else \
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strcat (xref_file, xref_ext); \
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} while (0)
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#undef GCC_DRIVER_HOST_INITIALIZATION
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#define GCC_DRIVER_HOST_INITIALIZATION \
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do { \
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/* If the environment variable DJDIR is not defined, then DJGPP is not \
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installed correctly and GCC will quickly become confused with the \
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default prefix settings. Report the problem now so the user doesn't \
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receive deceptive "file not found" error messages later. */ \
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char *djdir = getenv ("DJDIR"); \
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if (djdir == NULL) \
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{ \
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/* DJDIR is automatically defined by the DJGPP environment config \
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file pointed to by the environment variable DJGPP. Examine DJGPP \
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to try and figure out what's wrong. */ \
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char *djgpp = getenv ("DJGPP"); \
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if (djgpp == NULL) \
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fatal ("environment variable DJGPP not defined"); \
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else if (access (djgpp, R_OK) == 0) \
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fatal ("environment variable DJGPP points to missing file '%s'", \
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djgpp); \
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else \
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fatal ("environment variable DJGPP points to corrupt file '%s'", \
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djgpp); \
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} \
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} while (0)
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/* Canonicalize paths containing '/dev/env/'; used in prefix.c.
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_fixpath is a djgpp-specific function to canonicalize a path.
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"/dev/env/DJDIR" evaluates to "c:/djgpp" if DJDIR is "c:/djgpp" for
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example. It removes any trailing '/', so add it back. */
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/* We cannot free PATH below as it can point to string constant */
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#define UPDATE_PATH_HOST_CANONICALIZE(PATH) \
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if (memcmp ((PATH), "/dev/env/", sizeof("/dev/env/") - 1) == 0) \
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{ \
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static char fixed_path[FILENAME_MAX + 1]; \
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\
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_fixpath ((PATH), fixed_path); \
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strcat (fixed_path, "/"); \
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(PATH) = xstrdup (fixed_path); \
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}
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