gcc/config/gnu.h

   1 /* Configuration common to all targets running the GNU system.  */
   2
   3 /*
   4 Copyright (C) 1994, 1995, 1997, 1998, 1999, 2002, 2003, 2004, 2007, 2008, 2011
   5 Free Software Foundation, Inc.
   6
   7 This file is part of GCC.
   8
   9 GCC is free software: you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation, either version 3 of the License, or
  12 (at your option) any later version.
  13
  14 GCC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 /* Provide GCC options for standard feature-test macros.  */
  24 #undef CPP_SPEC
  25 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
  26
  27 /* Default C library spec.  */
  28 #undef LIB_SPEC
  29 #define LIB_SPEC "%{pthread:-lpthread} %{pg|p|profile:-lc_p;:-lc}"
  30
  31 #undef GNU_USER_TARGET_OS_CPP_BUILTINS
  32 #define GNU_USER_TARGET_OS_CPP_BUILTINS()               \
  33     do {                                        \
  34         builtin_define ("__gnu_hurd__");        \
  35         builtin_define ("__GNU__");             \
  36         builtin_define_std ("unix");            \
  37         builtin_define_std ("MACH");            \
  38         builtin_assert ("system=gnu");          \
  39         builtin_assert ("system=mach");         \
  40         builtin_assert ("system=unix");         \
  41         builtin_assert ("system=posix");        \
  42     } while (0)