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/* Base configuration file for all FreeBSD targets.
Copyright (C) 1999-2024 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 3, 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* 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
#define FBSD_TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_define_with_int_value ("__FreeBSD__", FBSD_MAJOR); \
builtin_define_std ("unix"); \
builtin_define ("__KPRINTF_ATTRIBUTE__"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=bsd"); \
builtin_assert ("system=FreeBSD"); \
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)
/* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC
option `-posix', and PIC issues. */
#define FBSD_CPP_SPEC " \
%(cpp_cpu) \
%(cpp_arch) \
%{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: \
%{pie: Scrt1.o%s;:crt1.o%s}}}}} \
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
/* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on
the 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 a normal "finalizer" file,
`crtn.o'. */
#define FBSD_ENDFILE_SPEC \
"%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
/* When threads support is requested include both -lc and the threading
library (which assumes FreeBSD 5.x or later, __FreeBSD_version 500016
to be precise).
And 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). */
#if FBSD_MAJOR < 14
#define FBSD_LINK_PG_NOTHREADS "%{!pg: -lc} %{pg: -lc_p}"
#define FBSD_LINK_PG_THREADS "%{!pg: %{pthread:-lpthread} -lc} " \
"%{pg: %{pthread:-lpthread} -lc_p}"
#define FBSD_LINK_PG_NOTE ""
#else
#define FBSD_LINK_PG_NOTHREADS "%{-lc} "
#define FBSD_LINK_PG_THREADS "%{pthread:-lpthread} -lc "
#define FBSD_LINK_PG_NOTE "%{pg:%nFreeBSD no longer provides profiled "\
"system libraries}"
#endif
#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: \
" FBSD_LINK_PG_NOTHREADS " \
}"
#else
#define FBSD_LIB_SPEC " \
%{!shared: \
" FBSD_LINK_PG_THREADS " \
} \
%{shared: \
%{pthread:-lpthread} -lc \
}"
#endif
/* To make matters interesting, we can't actually use __FreeBSD_version
provided by <osreldate.h> directly since it breaks cross-compiling. */
#if FBSD_MAJOR < 6
#define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1"
#else
#define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1"
#endif
/* NOTE: The freebsd-spec.h header is included also for various
non-FreeBSD powerpc targets, thus it should never define macros
other than FBSD_* prefixed ones, or USING_CONFIG_FREEBSD_SPEC. */
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