gcc/config/gnu.h

   1 /* Configuration common to all targets running the GNU system.  */
   2
   3 /*
   4 Copyright (C) 1994-2014 Free Software Foundation, Inc.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 /* Provide GCC options for standard feature-test macros.  */
  23 #undef CPP_SPEC
  24 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
  25
  26 /* Default C library spec.  */
  27 #undef LIB_SPEC
  28 #define LIB_SPEC "%{pthread:-lpthread} %{pg|p|profile:-lc_p;:-lc}"
  29
  30 #undef GNU_USER_TARGET_OS_CPP_BUILTINS
  31 #define GNU_USER_TARGET_OS_CPP_BUILTINS()               \
  32     do {                                        \
  33         builtin_define ("__gnu_hurd__");        \
  34         builtin_define ("__GNU__");             \
  35         builtin_define_std ("unix");            \
  36         builtin_define ("__MACH__");            \
  37         builtin_assert ("system=gnu");          \
  38         builtin_assert ("system=mach");         \
  39         builtin_assert ("system=unix");         \
  40         builtin_assert ("system=posix");        \
  41     } while (0)