1 /* Configuration for GNU C-compiler for Intel 80386 running DJGPP.
2 Copyright (C) 1988, 1996, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
4 This file is part of GNU CC.
6 GNU CC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU CC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Use semicolons to separate elements of a path. */
22 #define PATH_SEPARATOR ';'
24 #define HOST_EXECUTABLE_SUFFIX ".exe"
26 /* System dependent initialization for collect2
27 to tell system() to act like Unix. */
28 #define COLLECT2_HOST_INITIALIZATION \
29 do { __system_flags |= (__system_allow_multiple_cmds \
30 | __system_emulate_chdir); } while (0)
32 /* Define a version appropriate for DOS. */
34 #define XREF_FILE_NAME(xref_file, file) \
36 const char xref_ext[] = ".gxref"; \
37 strcpy (xref_file, file); \
38 s = basename (xref_file); \
39 t = strchr (s, '.'); \
41 strcpy (t, xref_ext); \
43 strcat (xref_file, xref_ext); \
46 /* Change /dev/env/DJDIR/prefix/dir/ to canonical form so gcc_exec_prefix
47 is set properly in 'gcc.c'. It also helps to cut down the number of times
48 the value of the DJGPP environment variable 'DJDIR' is evaluated. */
49 #undef GCC_DRIVER_HOST_INITIALIZATION
50 #define GCC_DRIVER_HOST_INITIALIZATION \
52 /* If the environment variable DJDIR is not defined, then DJGPP is not \
53 installed correctly and GCC will quickly become confused with the \
54 default prefix settings. Report the problem now so the user doesn't \
55 receive deceptive "file not found" error messages later. */ \
56 char *djdir = getenv ("DJDIR"); \
59 /* DJDIR is automatically defined by the DJGPP environment config \
60 file pointed to by the environment variable DJGPP. Examine DJGPP \
61 to try and figure out what's wrong. */ \
62 char *djgpp = getenv ("DJGPP"); \
64 fatal ("environment variable DJGPP not defined"); \
65 else if (access (djgpp, R_OK) == 0) \
66 fatal ("environment variable DJGPP points to missing file '%s'", \
69 fatal ("environment variable DJGPP points to corrupt file '%s'", \
72 standard_exec_prefix = update_path (standard_exec_prefix, NULL); \
73 standard_bindir_prefix = update_path (standard_bindir_prefix, NULL); \
74 standard_startfile_prefix = update_path (standard_startfile_prefix, NULL); \
77 /* Canonicalize paths containing '/dev/env/'; used in prefix.c.
78 _fixpath is a djgpp-specific function to canonicalize a path.
79 "/dev/env/DJDIR" evaluates to "c:/djgpp" if DJDIR is "c:/djgpp" for
80 example. It removes any trailing '/', so add it back. */
81 /* We cannot free PATH below as it can point to string constant */
82 #define UPDATE_PATH_HOST_CANONICALIZE(PATH) \
83 if (memcmp ((PATH), "/dev/env/", sizeof("/dev/env/") - 1) == 0) \
85 static char fixed_path[FILENAME_MAX + 1]; \
87 _fixpath ((PATH), fixed_path); \
88 strcat (fixed_path, "/"); \
89 (PATH) = xstrdup (fixed_path); \