Subversion Repositories scarts

/* Target independent definitions for LynxOS.

   Copyright (C) 1993, 1994, 1995, 1996, 1999, 2000, 2002, 2003, 2004

   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.  */

/* In this file we set up defaults that can be chosen by

   <target>/lynx.h files.  A target-specific lynx.h file can decide

   either to define and override these definitions or to use them by

   ensuring they are undefined at this point.  If we were to #undef

   them here we might accidentally disable some target-specific

   defines.  */

#ifndef EXTRA_OS_LYNX_TARGET_SPECS

# define EXTRA_OS_LYNX_TARGET_SPECS

#endif

#ifndef EXTRA_OS_LYNX_SPECS

# define EXTRA_OS_LYNX_SPECS \

  { "cpp_os_lynx", CPP_OS_LYNX_SPEC }, \

  { "lib_os_lynx", LIB_OS_LYNX_SPEC }, \

  { "link_os_lynx", LINK_OS_LYNX_SPEC }, \

  { "startfile_os_lynx", STARTFILE_OS_LYNX_SPEC }, \

  { "endfile_os_lynx", ENDFILE_OS_LYNX_SPEC }, \

  EXTRA_OS_LYNX_TARGET_SPECS

#endif

#ifndef SUBTARGET_EXTRA_SPECS

# define SUBTARGET_EXTRA_SPECS EXTRA_OS_LYNX_SPECS

#endif

#ifndef CPP_SPEC

# define CPP_SPEC "%(cpp_cpu) %(cpp_os_lynx)"

#endif

#ifndef LIB_SPEC

# define LIB_SPEC "%(lib_os_lynx)"

#endif

#ifndef LINK_SPEC

# define LINK_SPEC "%(link_os_lynx)"

#endif

#ifndef STARTFILE_SPEC

# define STARTFILE_SPEC "%(startfile_os_lynx)"

#endif

#ifndef ENDFILE_SPEC

# define ENDFILE_SPEC "%(endfile_os_lynx)"

#endif

#ifndef CPP_OS_LYNX_SPEC

# define CPP_OS_LYNX_SPEC \

"%{mthreads: \

   %{mlegacy-threads: \

     %ecannot use mthreads and mlegacy-threads together}} \

 %{mthreads: -D_MULTITHREADED} \

 %{mlegacy-threads: -D_THREADS_POSIX4ad4} \

 -Asystem=lynx -Asystem=unix -D__Lynx__ -D__unix__"

#endif

#ifndef LIB_OS_LYNX_SPEC

# define LIB_OS_LYNX_SPEC \

"%{mlegacy-threads:-lposix-pre1c} -lm -lc"

#endif

/* We link static executables for LynxOS by default unless -mshared is

   used when linking an executable.  Along the same line, we link to

   shared libraries when linking a shared object by default unless

   -static is used.

   We have to pass in our -L options here otherwise the translated

   startfile directories (%D) will take priority over this.

   Furthermore since we have to pass in -L options here we have to

   make sure that -L options provided by the user take priority over

   everything we specify.  */

#ifndef LINK_OS_LYNX_SPEC

# define LINK_OS_LYNX_SPEC \

"%{shared} %{static} \

 %{mshared: %{static: %ecannot use mshared and static together}} \

 %{!mshared: %{!shared: %{!static: -static}}} \

 %{L*} \

 %{mthreads: \

   %{mshared: -L/lib/thread/shlib -rpath /lib/thread/shlib} \

   %{shared: \

     %{!static: -L/lib/thread/shlib -rpath /lib/thread/shlib} \

   %{!mshared: -L/lib/thread}} \

   %{shared: %{static: -L/lib/thread}}} \

 %{!mthreads: \

   %{mshared: -L/lib/shlib -rpath /lib/shlib} \

   %{shared: -L/lib/shlib -rpath /lib/shlib}} \

 %{mlegacy-threads:-lposix-pre1c} -lm -lc"

#endif

#ifndef STARTFILE_OS_LYNX_SPEC

# define STARTFILE_OS_LYNX_SPEC \

"%{!shared: \

   %{!mthreads: \

     %{p:gcrt1.o%s} %{pg:gcrt1.o%s} \

     %{!p:%{!pg:crt1.o%s}}} \

   %{mthreads: \

     %{p:thread/gcrt1.o%s} %{pg:thread/gcrt1.o%s} \

     %{!p:%{!pg:thread/crt1.o%s }}}}\

 %{mthreads: thread/crti.o%s} %{!mthreads: crti.o%s} \

 %{!shared: crtbegin.o%s} \

 %{shared: crtbeginS.o%s}"

#endif

#ifndef ENDFILE_OS_LYNX_SPEC

# define ENDFILE_OS_LYNX_SPEC \

"%{!shared: crtend.o%s} \

 %{shared: crtendS.o%s} \

 %{mthreads: thread/crtn.o%s} %{!mthreads: crtn.o%s}"

#endif

/* Define the actual types of some ANSI-mandated types.  */

#ifndef SIZE_TYPE

# define SIZE_TYPE "unsigned int"

#endif

#ifndef  PTRDIFF_TYPE

# define PTRDIFF_TYPE "int"

#endif

#ifndef  WCHAR_TYPE

# define WCHAR_TYPE "long int"

#endif

#ifndef  WCHAR_TYPE_SIZE

# define WCHAR_TYPE_SIZE BITS_PER_WORD

#endif

/* Define ASM_OUTPUT_ALIGN to use the .balign directive rather that

   the .align directive with GAS.  */

#ifndef ASM_OUTPUT_ALIGN

# define ASM_OUTPUT_ALIGN(FILE, LOG)                    \

  do                                                    \

    {                                                   \

      if ((LOG) != 0)                                    \

        fprintf ((FILE), "\t.balign %d\n", 1 << (LOG)); \

    }                                                   \

  while (0)

#endif

/* Keep the *_DEBUGGING_INFO defines from elfos.h except that stabs is

   the default on LynxOS.  */

#ifndef PREFERRED_DEBUGGING_TYPE

# define PREFERRED_DEBUGGING_TYPE DBX_DEBUG

#endif

/* We have C++ support in our system headers.  */

#ifndef NO_IMPLICIT_EXTERN_C

# define NO_IMPLICIT_EXTERN_C

#endif

#ifndef TARGET_POSIX_IO

# define TARGET_POSIX_IO

#endif