102 lines
3.9 KiB
C
102 lines
3.9 KiB
C
/* $Id: freebsd.h,v 1.17 1999/08/15 22:02:47 obrien Exp $ */
|
|
/* Base configuration file for all FreeBSD targets.
|
|
Copyright (C) 1999 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 /usr/src/contrib/gcc/config/i386/freebsd.h &
|
|
egcs/gcc/config/i386/freebsd-elf.h version by David O'Brien */
|
|
|
|
|
|
/* Don't assume anything about the header files. */
|
|
#undef NO_IMPLICIT_EXTERN_C
|
|
#define NO_IMPLICIT_EXTERN_C
|
|
|
|
/* 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) (comming from svr4).
|
|
We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */
|
|
|
|
#define FBSD_SWITCH_TAKES_ARG(CHAR) \
|
|
(DEFAULT_SWITCH_TAKES_ARG (CHAR) \
|
|
|| (CHAR) == 'h' \
|
|
|| (CHAR) == 'z' /* ignored by ld */ \
|
|
|| (CHAR) == 'R')
|
|
|
|
#undef SWITCH_TAKES_ARG
|
|
#define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR))
|
|
|
|
#define FBSD_WORD_SWITCH_TAKES_ARG(STR) \
|
|
(DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
|
|
|| !strcmp (STR, "rpath") || !strcmp (STR, "rpath-link") \
|
|
|| !strcmp (STR, "soname") || !strcmp (STR, "defsym") \
|
|
|| !strcmp (STR, "assert") || !strcmp (STR, "dynamic-linker"))
|
|
|
|
#undef WORD_SWITCH_TAKES_ARG
|
|
#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
|
|
|
|
/* Place spaces around this string. We depend on string splicing to produce
|
|
the final CPP_PREDEFINES value. */
|
|
#define CPP_FBSD_PREDEFINES " -Dunix -D__FreeBSD__=4 -D__FreeBSD_cc_version=400002 -Asystem(unix) -Asystem(FreeBSD) "
|
|
|
|
/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate
|
|
libc, depending on whether we're doing profiling.
|
|
(like the default, except no -lg, and no -p). */
|
|
#undef LIB_SPEC
|
|
#define LIB_SPEC "%{!shared:%{!pg:%{!pthread:%{!kthread:-lc}%{kthread:-lpthread -lc}}%{pthread:-lc_r}}%{pg:%{!pthread:%{!kthread:-lc_p}%{kthread:-lpthread_p -lc_p}}%{pthread:-lc_r_p}}}"
|
|
|
|
|
|
/* Code generation parameters. */
|
|
|
|
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
|
|
we want to retain compatibility with older gcc versions
|
|
(even though the svr4 ABI for the i386 says that records and unions are
|
|
returned in memory). */
|
|
#undef DEFAULT_PCC_STRUCT_RETURN
|
|
#define DEFAULT_PCC_STRUCT_RETURN 0
|
|
|
|
/* Ensure we the configuration knows our system correctly so we can link with
|
|
libraries compiled with the native cc. */
|
|
#undef NO_DOLLAR_IN_LABEL
|
|
|
|
/* Use more efficient ``thunks'' to implement C++ vtables. XXX note that
|
|
this setting is claimed to have a few bugs by the EGCS maintainers. They
|
|
believe the bugs will be worked out in EGCS 1.2. */
|
|
#undef DEFAULT_VTABLE_THUNKS
|
|
#define DEFAULT_VTABLE_THUNKS 1
|
|
|
|
/* This is BSD, so we want the DBX format. */
|
|
#define DBX_DEBUGGING_INFO
|
|
|
|
/* Use stabs instead of DWARF debug format. */
|
|
#undef PREFERRED_DEBUGGING_TYPE
|
|
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
|
|
|
|
|
|
/* Miscellaneous parameters. */
|
|
|
|
/* Tell libgcc2.c that FreeBSD targets support atexit(3). */
|
|
#define HAVE_ATEXIT
|
|
|
|
/* Our malloc can allocte pagesized blocks efficiently. The default size
|
|
of 4072 bytes is not optimal on the i386 nor the Alpha. */
|
|
#define OBSTACK_CHUNK_SIZE (getpagesize())
|