/* 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")) #ifndef FREEBSD_NATIVE /* these bits are here to reduce merge diffs, but I don't want to acutally use the bits right now */ #if FBSD_MAJOR == 6 #define FBSD_CPP_PREDEFINES \ "-D__FreeBSD__=6 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD" #endif #if FBSD_MAJOR == 5 #define FBSD_CPP_PREDEFINES \ "-D__FreeBSD__=5 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD" #endif #if FBSD_MAJOR == 4 #define FBSD_CPP_PREDEFINES \ "-D__FreeBSD__=4 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD" #endif #if FBSD_MAJOR == 3 #define FBSD_CPP_PREDEFINES \ "-D__FreeBSD__=3 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD" #endif #ifndef FBSD_CPP_PREDEFINES #define FBSD_CPP_PREDEFINES \ "-D__FreeBSD__ -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD" #endif #else /* FREEBSD_NATIVE */ /* Place spaces around this string. We depend on string splicing to produce the final CPP_PREDEFINES value. */ #define FBSD_CPP_PREDEFINES \ "-D__FreeBSD__=5 -D__FreeBSD_cc_version=500003 -Dunix -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD" #endif /* ! FREEBSD_NATIVE */ /* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC option `-posix', and PIC issues. */ #define FBSD_CPP_SPEC " \ %(cpp_cpu) \ %{!maout: -D__ELF__} \ %{munderscores: -D__UNDERSCORES__} \ %{maout: %{!mno-underscores: -D__UNDERSCORES__}} \ %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \ %{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