freebsd-dev/contrib/gcc/config/freebsd.h
2003-07-11 05:09:19 +00:00

100 lines
3.2 KiB
C

/* Base configuration file for all FreeBSD targets.
Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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 2, or (at your option)
any later version.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Common FreeBSD configuration.
All FreeBSD architectures should include this file, which will specify
their commonalities.
Adapted from gcc/config/i386/freebsd-elf.h by
David O'Brien <obrien@FreeBSD.org>.
Further work by David O'Brien <obrien@FreeBSD.org> and
Loren J. Rittle <ljrittle@acm.org>. */
/* $FreeBSD$ */
/* In case we need to know. */
#define USING_CONFIG_FREEBSD 1
/* This defines which switch letters take arguments. On FreeBSD, most of
the normal cases (defined in gcc.c) apply, and we also have -h* and
-z* options (for the linker) (coming from SVR4).
We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR))
#undef WORD_SWITCH_TAKES_ARG
#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
#undef CPP_PREDEFINES
/* Obsolete, do not define it. */
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS() FBSD_TARGET_OS_CPP_BUILTINS()
#undef CPP_SPEC
#define CPP_SPEC FBSD_CPP_SPEC
#undef STARTFILE_SPEC
#define STARTFILE_SPEC FBSD_STARTFILE_SPEC
#undef ENDFILE_SPEC
#define ENDFILE_SPEC FBSD_ENDFILE_SPEC
#undef LIB_SPEC
#define LIB_SPEC FBSD_LIB_SPEC
/************************[ Target stuff ]***********************************/
/* All FreeBSD Architectures support the ELF object file format. */
#undef OBJECT_FORMAT_ELF
#define OBJECT_FORMAT_ELF 1
/* Don't assume anything about the header files. */
#undef NO_IMPLICIT_EXTERN_C
#define NO_IMPLICIT_EXTERN_C 1
/* Make gcc agree with FreeBSD's standard headers (<machine/ansi.h>, etc...) */
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#ifdef FREEBSD_NATIVE
#define LIBSTDCXX_PROFILE "-lstdc++_p"
#endif
#define MATH_LIBRARY_PROFILE "-lm_p"
/* Code generation parameters. */
/* Writing `int' for a bitfield forces int alignment for the structure. */
/* XXX: ok for Alpha?? */
#undef PCC_BITFIELD_TYPE_MATTERS
#define PCC_BITFIELD_TYPE_MATTERS 1
/* Use periods rather than dollar signs in special g++ assembler names.
This ensures the configuration knows our system correctly so we can link
with libraries compiled with the native cc. */
#undef NO_DOLLAR_IN_LABEL
/* Used by libgcc2.c. We support file locking with fcntl / F_SETLKW.
This enables the test coverage code to use file locking when exiting a
program, which avoids race conditions if the program has forked. */
#define TARGET_HAS_F_SETLKW 1