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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [i386/] [xm-djgpp.h] - Blame information for rev 282

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1 282 jeremybenn
/* Configuration for GCC for Intel 80386 running DJGPP.
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   Copyright (C) 1988, 1996, 1998, 1999, 2000, 2001, 2004, 2007
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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 3, 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 COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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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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