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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [config/] [freebsd-spec.h] - Blame information for rev 154

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/* Base configuration file for all FreeBSD targets.
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   Copyright (C) 1999, 2000, 2001, 2004, 2005, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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/* Common FreeBSD configuration.
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   All FreeBSD architectures should include this file, which will specify
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   their commonalities.
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   Adapted from gcc/config/freebsd.h by
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   David O'Brien <obrien@FreeBSD.org>
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   Loren J. Rittle <ljrittle@acm.org>.  */
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/* In case we need to know.  */
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#define USING_CONFIG_FREEBSD_SPEC 1
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/* This defines which switch letters take arguments.  On FreeBSD, most of
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   the normal cases (defined in gcc.c) apply, and we also have -h* and
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   -z* options (for the linker) (coming from SVR4).
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   We also have -R (alias --rpath), no -z, --soname (-h), --assert etc.  */
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#define FBSD_SWITCH_TAKES_ARG(CHAR)                                     \
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  (DEFAULT_SWITCH_TAKES_ARG (CHAR)                                      \
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    || (CHAR) == 'h'                                                    \
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    || (CHAR) == 'z' /* ignored by ld */                                \
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    || (CHAR) == 'R')
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/* This defines which multi-letter switches take arguments.  */
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#define FBSD_WORD_SWITCH_TAKES_ARG(STR)                                 \
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  (DEFAULT_WORD_SWITCH_TAKES_ARG (STR)                                  \
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   || !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link")         \
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   || !strcmp ((STR), "soname") || !strcmp ((STR), "defsym")            \
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   || !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker"))
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#define FBSD_TARGET_OS_CPP_BUILTINS()                                   \
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  do                                                                    \
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    {                                                                   \
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        builtin_define_with_int_value ("__FreeBSD__", FBSD_MAJOR);      \
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        builtin_define_std ("unix");                                    \
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        builtin_define ("__KPRINTF_ATTRIBUTE__");                       \
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        builtin_assert ("system=unix");                                 \
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        builtin_assert ("system=bsd");                                  \
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        builtin_assert ("system=FreeBSD");                              \
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        FBSD_TARGET_CPU_CPP_BUILTINS();                                 \
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    }                                                                   \
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  while (0)
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/* Define the default FreeBSD-specific per-CPU hook code.  */
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#define FBSD_TARGET_CPU_CPP_BUILTINS() do {} while (0)
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/* Provide a CPP_SPEC appropriate for FreeBSD.  We just deal with the GCC
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   option `-posix', and PIC issues.  */
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#define FBSD_CPP_SPEC "                                                 \
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  %(cpp_cpu)                                                            \
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  %(cpp_arch)                                                           \
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  %{posix:-D_POSIX_SOURCE}"
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/* Provide a STARTFILE_SPEC appropriate for FreeBSD.  Here we add
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   the magical crtbegin.o file (see crtstuff.c) which provides part
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        of the support for getting C++ file-scope static object constructed
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        before entering `main'.  */
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#define FBSD_STARTFILE_SPEC \
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  "%{!shared: \
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     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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                       %{!p:%{profile:gcrt1.o%s} \
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                         %{!profile:crt1.o%s}}}} \
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   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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/* Provide a ENDFILE_SPEC appropriate for FreeBSD.  Here we tack on
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   the magical crtend.o file (see crtstuff.c) which provides part of
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        the support for getting C++ file-scope static object constructed
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        before entering `main', followed by a normal "finalizer" file,
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        `crtn.o'.  */
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#define FBSD_ENDFILE_SPEC \
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  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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/* Provide a LIB_SPEC appropriate for FreeBSD as configured and as
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   required by the user-land thread model.  Before __FreeBSD_version
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   500016, select the appropriate libc, depending on whether we're
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   doing profiling or need threads support.  At __FreeBSD_version
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   500016 and later, when threads support is requested include both
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   -lc and the threading lib instead of only -lc_r.  To make matters
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   interesting, we can't actually use __FreeBSD_version provided by
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   <osreldate.h> directly since it breaks cross-compiling.  As a final
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   twist, make it a hard error if -pthread is provided on the command
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   line and gcc was configured with --disable-threads (this will help
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   avoid bug reports from users complaining about threading when they
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   misconfigured the gcc bootstrap but are later consulting FreeBSD
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   manual pages that refer to the mythical -pthread option).  */
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/* Provide a LIB_SPEC appropriate for FreeBSD.  Just select the appropriate
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   libc, depending on whether we're doing profiling or need threads support.
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   (similar to the default, except no -lg, and no -p).  */
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#ifdef FBSD_NO_THREADS
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#define FBSD_LIB_SPEC "                                                 \
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  %{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \
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is built with the --enable-threads configure-time option.}              \
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  %{!shared:                                                            \
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    %{!pg: -lc}                                                         \
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    %{pg:  -lc_p}                                                       \
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  }"
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#else
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#if FBSD_MAJOR < 5
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#define FBSD_LIB_SPEC "                                                 \
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  %{!shared:                                                            \
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    %{!pg:                                                              \
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      %{!pthread:-lc}                                                   \
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      %{pthread:-lc_r}}                                                 \
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    %{pg:                                                               \
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      %{!pthread:-lc_p}                                                 \
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      %{pthread:-lc_r_p}}                                               \
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  }"
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#else
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#define FBSD_LIB_SPEC "                                                 \
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  %{!shared:                                                            \
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    %{!pg: %{pthread:-lpthread} -lc}                                    \
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    %{pg:  %{pthread:-lpthread_p} -lc_p}                                \
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  }"
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#endif
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#endif
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#if FBSD_MAJOR < 6
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#define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1"
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#else
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#define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1"
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#endif

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