gcc/config/freebsd.h

   1 /* Base configuration file for all FreeBSD targets.
   2    Copyright (C) 1999, 2000, 2001, 2007, 2008, 2009,
   3    2010 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 /* Common FreeBSD configuration.
  22    All FreeBSD architectures should include this file, which will specify
  23    their commonalities.
  24    Adapted from gcc/config/i386/freebsd-elf.h by
  25    David O'Brien <obrien@FreeBSD.org>.
  26    Further work by David O'Brien <obrien@FreeBSD.org> and
  27    Loren J. Rittle <ljrittle@acm.org>.  */
  28
  29
  30 /* In case we need to know.  */
  31 #define USING_CONFIG_FREEBSD 1
  32
  33 /* This defines which switch letters take arguments.  On FreeBSD, most of
  34    the normal cases (defined in gcc.c) apply, and we also have -h* and
  35    -z* options (for the linker) (coming from SVR4).
  36    We also have -R (alias --rpath), no -z, --soname (-h), --assert etc.  */
  37
  38 #undef  SWITCH_TAKES_ARG
  39 #define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR))
  40
  41 #undef  WORD_SWITCH_TAKES_ARG
  42 #define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
  43
  44 #undef  TARGET_OS_CPP_BUILTINS
  45 #define TARGET_OS_CPP_BUILTINS() FBSD_TARGET_OS_CPP_BUILTINS()
  46
  47 #undef  CPP_SPEC
  48 #define CPP_SPEC FBSD_CPP_SPEC
  49
  50 #undef  STARTFILE_SPEC
  51 #define STARTFILE_SPEC FBSD_STARTFILE_SPEC
  52
  53 #undef  ENDFILE_SPEC
  54 #define ENDFILE_SPEC FBSD_ENDFILE_SPEC
  55
  56 #undef  LIB_SPEC
  57 #define LIB_SPEC FBSD_LIB_SPEC
  58
  59 /* Define this so we can compile MS code for use with WINE.  */
  60 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
  61
  62 /************************[  Target stuff  ]***********************************/
  63
  64 /* All FreeBSD Architectures support the ELF object file format.  */
  65 #undef  OBJECT_FORMAT_ELF
  66 #define OBJECT_FORMAT_ELF
  67
  68 /* Don't assume anything about the header files.  */
  69 #undef  NO_IMPLICIT_EXTERN_C
  70 #define NO_IMPLICIT_EXTERN_C    1
  71
  72 /* Follow FreeBSD's standard headers (<sys/_types.h> etc...).  */
  73
  74 #undef  WCHAR_TYPE
  75 #define WCHAR_TYPE "int"
  76
  77 #undef  WINT_TYPE
  78 #define WINT_TYPE "int"
  79
  80 #define MATH_LIBRARY_PROFILE    "m_p"
  81
  82 /* Code generation parameters.  */
  83
  84 /* Use periods rather than dollar signs in special g++ assembler names.
  85    This ensures the configuration knows our system correctly so we can link
  86    with libraries compiled with the native cc.  */
  87 #undef NO_DOLLAR_IN_LABEL
  88
  89 /* Used by libgcc2.c.  We support file locking with fcntl / F_SETLKW.
  90    This enables the test coverage code to use file locking when exiting a
  91    program, which avoids race conditions if the program has forked.  */
  92 #define TARGET_POSIX_IO