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freebsd-skq/contrib/gcc/config/freebsd-spec.h

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/* Base configuration file for all FreeBSD targets.
Copyright (C) 1999, 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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.
GCC 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 GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* $FreeBSD$ */
/* Common FreeBSD configuration.
All FreeBSD architectures should include this file, which will specify
their commonalities.
Adapted from gcc/config/freebsd.h by
David O'Brien <obrien@FreeBSD.org>
Loren J. Rittle <ljrittle@acm.org>. */
/* In case we need to know. */
#define USING_CONFIG_FREEBSD_SPEC 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. */
#define FBSD_SWITCH_TAKES_ARG(CHAR) \
(DEFAULT_SWITCH_TAKES_ARG (CHAR) \
|| (CHAR) == 'h' \
|| (CHAR) == 'z' /* ignored by ld */ \
|| (CHAR) == 'R')
/* This defines which multi-letter switches take arguments. */
#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"))
#define FBSD_TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_define_with_int_value ("__FreeBSD__", FBSD_MAJOR); \
builtin_define_std ("unix"); \
builtin_define_std ("__unix__"); \
builtin_define ("__KPRINTF_ATTRIBUTE__"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=bsd"); \
builtin_assert ("system=FreeBSD"); \
FBSD_NATIVE_TARGET_OS_CPP_BUILTINS(); \
FBSD_TARGET_CPU_CPP_BUILTINS(); \
} \
while (0)
/* Define the default FreeBSD-specific per-CPU hook code. */
#define FBSD_TARGET_CPU_CPP_BUILTINS() do {} while (0)
#ifdef FREEBSD_NATIVE
#define FBSD_NATIVE_TARGET_OS_CPP_BUILTINS() \
do { \
builtin_define_with_int_value ("__FreeBSD_cc_version", FBSD_CC_VER); \
} while (0)
#else
#define FBSD_NATIVE_TARGET_OS_CPP_BUILTINS() \
do {} while (0)
#endif
/* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC
option `-posix', and PIC issues. Try to detect support for the
`long long' type. Unfortunately the GCC spec parser will not allow us
to properly detect the "iso9899:1990" and "iso9899:199409" forms of
-std=c89. Because of the ':' in the -std argument. :-( I have left
them in the spec as a place holder in hopes someone knows a way to make
the detection of them work. */
#define FBSD_CPP_SPEC " \
%(cpp_cpu) \
%(cpp_arch) \
%{!ansi:%{!std=c89:%{!std=iso9899.1990:%{!std=iso9899.199409:-D_LONGLONG}}}} \
%{posix:-D_POSIX_SOURCE}"
/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add the magical
crtbegin.o file (see crtstuff.c) which provides part of the support for
getting C++ file-scope static object constructed before entering `main'. */
#define FBSD_STARTFILE_SPEC "\
%{!shared: \
%{pg:gcrt1.o%s} \
%{!pg: \
%{p:gcrt1.o%s} \
%{!p: \
%{profile:gcrt1.o%s} \
%{!profile:crt1.o%s}}}} \
crti.o%s \
%{static:crtbeginT.o%s;shared:crtbeginS.o%s;:crtbegin.o%s}"
/* Provide an ENDFILE_SPEC appropriate for FreeBSD/i386. Here we tack on
our own magical crtend.o file (see crtstuff.c) which provides part of
the support for getting C++ file-scope static object constructed before
entering `main', followed by the normal "finalizer" file, `crtn.o'. */
#define FBSD_ENDFILE_SPEC "\
%{!shared:crtend.o%s} \
%{shared:crtendS.o%s} \
crtn.o%s "
/* Provide a LIB_SPEC appropriate for FreeBSD as configured and as
required by the user-land thread model. Before __FreeBSD_version
500016, select the appropriate libc, depending on whether we're
doing profiling or need threads support. At __FreeBSD_version
500016 and later, when threads support is requested include both
-lc and the threading lib instead of only -lc_r. To make matters
interesting, we can't actually use __FreeBSD_version provided by
<osreldate.h> directly since it breaks cross-compiling. As a final
twist, make it a hard error if -pthread is provided on the command
line and gcc was configured with --disable-threads (this will help
avoid bug reports from users complaining about threading when they
misconfigured the gcc bootstrap but are later consulting FreeBSD
manual pages that refer to the mythical -pthread option). */
/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate
libc, depending on whether we're doing profiling or need threads support.
(similar to the default, except no -lg, and no -p). */
#ifdef FBSD_NO_THREADS
#define FBSD_LIB_SPEC " \
%{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \
is built with the --enable-threads configure-time option.} \
%{!shared: \
%{!pg: -lc} \
%{pg: -lc_p} \
}"
#else
#include <sys/param.h>
#if __FreeBSD_version < 500016
#define FBSD_LIB_SPEC " \
%{!shared: \
%{!pg: \
%{!pthread:-lc} \
%{pthread:-lc_r}} \
%{pg: \
%{!pthread:-lc_p} \
%{pthread:-lc_r_p}} \
}"
#elif __FreeBSD_version < 700022
#define FBSD_LIB_SPEC " \
%{!shared: \
%{!pg: %{pthread:-lpthread} -lc} \
%{pg: %{pthread:-lpthread_p} -lc_p} \
}"
#else
#define FBSD_LIB_SPEC " \
%{!shared: \
%{!pg: %{pthread:-lpthread} -lc} \
%{pg: %{pthread:-lpthread_p} -lc_p}} \
%{shared: \
%{pthread:-lpthread} -lc} \
"
#endif
#endif
#if FBSD_MAJOR < 5
#define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1"
#else
#define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1"
#endif
#if defined(HAVE_LD_EH_FRAME_HDR)
#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
#endif
/* Use --as-needed -lgcc_s for eh support. */
#ifdef HAVE_LD_AS_NEEDED
#define USE_LD_AS_NEEDED 1
#endif
#define FBSD_SIZE_TYPE \
(POINTER_SIZE == 64 ? "long unsigned int" : "unsigned int")
#define FBSD_PTRDIFF_TYPE \
(POINTER_SIZE == 64 ? "long int" : "int")
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