text: /* Base configuration file for all FreeBSD targets.
     Copyright (C) 1999, 2000, 2001, 2004, 2005, 2007 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.
  
  You should have received a copy of the GNU General Public License
  along with GCC; see the file COPYING3.  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
  