/* Base configuration file for all DragonFly targets.
   Copyright (C) 1999, 2000, 2001, 2007, 2008 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 DragonFly configuration. 
   All DragonFly architectures should include this file, which will specify
   their commonalities.

   Adapted from gcc/config/freebsd.h by
   Joerg Sonnenberger <joerg@bec.de>

   Adapted from gcc/config/i386/freebsd-elf.h by 
   David O'Brien <obrien@FreeBSD.org>.  
   Further work by David O'Brien <obrien@FreeBSD.org> and
   Loren J. Rittle <ljrittle@acm.org>.  */


/* This defines which switch letters take arguments.  On DragonFly, 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.  */

#undef  SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR)						\
  (DEFAULT_SWITCH_TAKES_ARG (CHAR)					\
    || (CHAR) == 'h'							\
    || (CHAR) == 'z' /* ignored by ld */				\
    || (CHAR) == 'R')


#undef  WORD_SWITCH_TAKES_ARG
#define 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"))


#undef  TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS()					\
  do									\
    {									\
	builtin_define ("__DragonFly__");				\
	builtin_define_std ("unix");					\
	builtin_assert ("system=unix");					\
	builtin_assert ("system=bsd");					\
	builtin_assert ("system=DragonFly");				\
    }									\
  while (0)

#undef  CPP_SPEC
#define CPP_SPEC "							\
  %(cpp_cpu)								\
  %(cpp_arch)								\
  %{posix:-D_POSIX_SOURCE}"

#undef  STARTFILE_SPEC
#define 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}"

#undef  ENDFILE_SPEC
#define ENDFILE_SPEC	\
  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"

#undef  LIB_SPEC
#define LIB_SPEC "							\
  %{pthread:-lpthread}							\
  -lc									\
  "

/* Provide a LINK_SPEC appropriate for DragonFly.  Here we provide support
   for the special GCC options -static and -shared, which allow us to
   link things in one of these three modes by applying the appropriate
   combinations of options at link-time. We like to support here for
   as many of the other GNU linker options as possible. But I don't
   have the time to search for those flags. I am sure how to add
   support for -soname shared_object_name. H.J.

   I took out %{v:%{!V:-V}}. It is too much :-(. They can use
   -Wl,-V.

   When the -shared link option is used a final link is not being
   done.  */

#define DFBSD_LINK_SPEC "\
  %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
  %{v:-V} \
  %{assert*} %{R*} %{rpath*} %{defsym*} \
  %{shared:-Bshareable %{h*} %{soname*}} \
    %{!shared: \
      %{!static: \
        %{rdynamic:-export-dynamic} \
        %{!dynamic-linker:-dynamic-linker %(dfbsd_dynamic_linker) }} \
    %{static:-Bstatic}} \
  %{symbolic:-Bsymbolic}"

#undef	LINK_SPEC
#define	LINK_SPEC DFBSD_LINK_SPEC

/* Define this so we can compile MS code for use with WINE.  */
#define HANDLE_PRAGMA_PACK_PUSH_POP 1

#define	DFBSD_DYNAMIC_LINKER		"/usr/libexec/ld-elf.so.2"

#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

/************************[  Target stuff  ]***********************************/

/* All DragonFly Architectures support the ELF object file format.  */
#undef  OBJECT_FORMAT_ELF
#define OBJECT_FORMAT_ELF

/* Don't assume anything about the header files.  */
#undef  NO_IMPLICIT_EXTERN_C
#define NO_IMPLICIT_EXTERN_C	1

/* Make gcc agree with DragonFly's standard headers (<machine/stdint.h>, etc...)  */

#undef  WCHAR_TYPE
#define WCHAR_TYPE "int"

/* Code generation parameters.  */

/* Use periods rather than dollar signs in special g++ assembler names.
   This ensures the configuration knows our system correctly so we can link
   with libraries compiled with the native cc.  */
#undef NO_DOLLAR_IN_LABEL

/* Used by libgcc2.c.  We support file locking with fcntl / F_SETLKW.
   This enables the test coverage code to use file locking when exiting a
   program, which avoids race conditions if the program has forked.  */
#define TARGET_POSIX_IO