/* Base configuration file for all FreeBSD targets. Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC 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. GNU CC 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 GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 Loren J. Rittle . */ /* 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 \ { \ if (FBSD_MAJOR == 6) \ builtin_define ("__FreeBSD__=6"); \ else if (FBSD_MAJOR == 5) \ builtin_define ("__FreeBSD__=5"); \ else if (FBSD_MAJOR == 4) \ builtin_define ("__FreeBSD__=4"); \ else if (FBSD_MAJOR == 3) \ builtin_define ("__FreeBSD__=3"); \ else \ builtin_define ("__FreeBSD__"); \ builtin_define_std ("unix"); \ builtin_define ("__ELF__"); \ 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_std ("__FreeBSD_cc_version=500006"); \ } 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) \ %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \ %{!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 %{!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 -lc_r instead of only -lc_r. To make matters interesting, we can't actually use __FreeBSD_version provided by 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. (simular 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 #if __FreeBSD_version >= 500016 #define FBSD_LIB_SPEC " \ %{!shared: \ %{!pg: %{pthread:-lc_r} -lc} \ %{pg: %{pthread:-lc_r_p} -lc_p} \ }" #else #define FBSD_LIB_SPEC " \ %{!shared: \ %{!pg: \ %{!pthread:-lc} \ %{pthread:-lc_r}} \ %{pg: \ %{!pthread:-lc_p} \ %{pthread:-lc_r_p}} \ }" #endif #endif