diff options
author | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
---|---|---|
committer | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
commit | 40d7cd0fd78fe2004e2a53c4618c148339b02733 (patch) | |
tree | 5874557a6c86a1f564a03e5f28b266e31bc3759c /gcc-4.6/gcc/config/i386/xm-djgpp.h | |
parent | fe2afdf3f3701489c05d2a7509752d6f0c7616f7 (diff) | |
download | toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.gz toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.bz2 toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.zip |
Add gcc-4.6. Synced to @180989
Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile
Diffstat (limited to 'gcc-4.6/gcc/config/i386/xm-djgpp.h')
-rw-r--r-- | gcc-4.6/gcc/config/i386/xm-djgpp.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/gcc-4.6/gcc/config/i386/xm-djgpp.h b/gcc-4.6/gcc/config/i386/xm-djgpp.h new file mode 100644 index 000000000..c3758ea9e --- /dev/null +++ b/gcc-4.6/gcc/config/i386/xm-djgpp.h @@ -0,0 +1,84 @@ +/* Configuration for GCC for Intel 80386 running DJGPP. + Copyright (C) 1988, 1996, 1998, 1999, 2000, 2001, 2004, 2007 + 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); \ + } |