179 lines
5.0 KiB
C
179 lines
5.0 KiB
C
/* Target independent definitions for LynxOS.
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Copyright (C) 1993, 1994, 1995, 1996, 1999, 2000, 2002, 2003, 2004
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* In this file we set up defaults that can be chosen by
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<target>/lynx.h files. A target-specific lynx.h file can decide
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either to define and override these definitions or to use them by
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ensuring they are undefined at this point. If we were to #undef
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them here we might accidentally disable some target-specific
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defines. */
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#ifndef EXTRA_OS_LYNX_TARGET_SPECS
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# define EXTRA_OS_LYNX_TARGET_SPECS
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#endif
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#ifndef EXTRA_OS_LYNX_SPECS
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# define EXTRA_OS_LYNX_SPECS \
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{ "cpp_os_lynx", CPP_OS_LYNX_SPEC }, \
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{ "lib_os_lynx", LIB_OS_LYNX_SPEC }, \
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{ "link_os_lynx", LINK_OS_LYNX_SPEC }, \
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{ "startfile_os_lynx", STARTFILE_OS_LYNX_SPEC }, \
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{ "endfile_os_lynx", ENDFILE_OS_LYNX_SPEC }, \
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EXTRA_OS_LYNX_TARGET_SPECS
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#endif
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#ifndef SUBTARGET_EXTRA_SPECS
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# define SUBTARGET_EXTRA_SPECS EXTRA_OS_LYNX_SPECS
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#endif
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#ifndef CPP_SPEC
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# define CPP_SPEC "%(cpp_cpu) %(cpp_os_lynx)"
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#endif
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#ifndef LIB_SPEC
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# define LIB_SPEC "%(lib_os_lynx)"
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#endif
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#ifndef LINK_SPEC
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# define LINK_SPEC "%(link_os_lynx)"
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#endif
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#ifndef STARTFILE_SPEC
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# define STARTFILE_SPEC "%(startfile_os_lynx)"
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#endif
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#ifndef ENDFILE_SPEC
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# define ENDFILE_SPEC "%(endfile_os_lynx)"
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#endif
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#ifndef CPP_OS_LYNX_SPEC
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# define CPP_OS_LYNX_SPEC \
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"%{mthreads: \
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%{mlegacy-threads: \
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%ecannot use mthreads and mlegacy-threads together}} \
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%{mthreads: -D_MULTITHREADED} \
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%{mlegacy-threads: -D_THREADS_POSIX4ad4} \
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-Asystem=lynx -Asystem=unix -D__Lynx__ -D__unix__"
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#endif
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#ifndef LIB_OS_LYNX_SPEC
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# define LIB_OS_LYNX_SPEC \
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"%{mlegacy-threads:-lposix-pre1c} -lm -lc"
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#endif
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/* We link static executables for LynxOS by default unless -mshared is
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used when linking an executable. Along the same line, we link to
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shared libraries when linking a shared object by default unless
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-static is used.
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We have to pass in our -L options here otherwise the translated
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startfile directories (%D) will take priority over this.
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Furthermore since we have to pass in -L options here we have to
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make sure that -L options provided by the user take priority over
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everything we specify. */
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#ifndef LINK_OS_LYNX_SPEC
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# define LINK_OS_LYNX_SPEC \
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"%{shared} %{static} \
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%{mshared: %{static: %ecannot use mshared and static together}} \
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%{!mshared: %{!shared: %{!static: -static}}} \
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%{L*} \
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%{mthreads: \
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%{mshared: -L/lib/thread/shlib -rpath /lib/thread/shlib} \
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%{shared: \
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%{!static: -L/lib/thread/shlib -rpath /lib/thread/shlib} \
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%{!mshared: -L/lib/thread}} \
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%{shared: %{static: -L/lib/thread}}} \
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%{!mthreads: \
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%{mshared: -L/lib/shlib -rpath /lib/shlib} \
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%{shared: -L/lib/shlib -rpath /lib/shlib}} \
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%{mlegacy-threads:-lposix-pre1c} -lm -lc"
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#endif
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#ifndef STARTFILE_OS_LYNX_SPEC
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# define STARTFILE_OS_LYNX_SPEC \
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"%{!shared: \
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%{!mthreads: \
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%{p:gcrt1.o%s} %{pg:gcrt1.o%s} \
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%{!p:%{!pg:crt1.o%s}}} \
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%{mthreads: \
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%{p:thread/gcrt1.o%s} %{pg:thread/gcrt1.o%s} \
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%{!p:%{!pg:thread/crt1.o%s }}}}\
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%{mthreads: thread/crti.o%s} %{!mthreads: crti.o%s} \
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%{!shared: crtbegin.o%s} \
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%{shared: crtbeginS.o%s}"
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#endif
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#ifndef ENDFILE_OS_LYNX_SPEC
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# define ENDFILE_OS_LYNX_SPEC \
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"%{!shared: crtend.o%s} \
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%{shared: crtendS.o%s} \
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%{mthreads: thread/crtn.o%s} %{!mthreads: crtn.o%s}"
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#endif
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/* Define the actual types of some ANSI-mandated types. */
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#ifndef SIZE_TYPE
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# define SIZE_TYPE "unsigned int"
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#endif
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#ifndef PTRDIFF_TYPE
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# define PTRDIFF_TYPE "int"
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#endif
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#ifndef WCHAR_TYPE
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# define WCHAR_TYPE "long int"
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#endif
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#ifndef WCHAR_TYPE_SIZE
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# define WCHAR_TYPE_SIZE BITS_PER_WORD
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#endif
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/* Define ASM_OUTPUT_ALIGN to use the .balign directive rather that
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the .align directive with GAS. */
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#ifndef ASM_OUTPUT_ALIGN
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# define ASM_OUTPUT_ALIGN(FILE, LOG) \
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do \
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{ \
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if ((LOG) != 0) \
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fprintf ((FILE), "\t.balign %d\n", 1 << (LOG)); \
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} \
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while (0)
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#endif
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/* Keep the *_DEBUGGING_INFO defines from elfos.h except that stabs is
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the default on LynxOS. */
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#ifndef PREFERRED_DEBUGGING_TYPE
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# define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#endif
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/* We have C++ support in our system headers. */
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#ifndef NO_IMPLICIT_EXTERN_C
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# define NO_IMPLICIT_EXTERN_C
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#endif
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#ifndef TARGET_POSIX_IO
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# define TARGET_POSIX_IO
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#endif
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