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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc4/] [gcc/] [config/] [freebsd-spec.h] - Rev 519
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/* Base configuration file for all FreeBSD targets. Copyright (C) 1999, 2000, 2001, 2004, 2005, 2007, 2009 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 /* 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 ("__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:crt1.o%s}}}} \ crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.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: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 #if FBSD_MAJOR < 5 #define FBSD_LIB_SPEC " \ %{!shared: \ %{!pg: \ %{!pthread:-lc} \ %{pthread:-lc_r}} \ %{pg: \ %{!pthread:-lc_p} \ %{pthread:-lc_r_p}} \ }" #else #define FBSD_LIB_SPEC " \ %{!shared: \ %{!pg: %{pthread:-lpthread} -lc} \ %{pg: %{pthread:-lpthread_p} -lc_p} \ }" #endif #endif #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 #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