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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/freebsd-spec.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/freebsd-spec.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/freebsd-spec.h b/gcc-4.2.1-5666.3/gcc/config/freebsd-spec.h new file mode 100644 index 000000000..b3f18e20b --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/config/freebsd-spec.h @@ -0,0 +1,146 @@ +/* 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. */ + +/* 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 |