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- /* Target independent definitions for LynxOS, using Lynx's old as and ld.
- Copyright (C) 1993 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* This is for backwards compatibility with older Lynx tools, which use
- a version of a.out format. */
-
- #undef ASM_SPEC
- #define ASM_SPEC "%{mcoff:-C}"
-
- #undef CPP_SPEC
- #define CPP_SPEC "%{mthreads:-D_MULTITHREADED} \
- %{mposix:-D_POSIX_SOURCE} \
- %{msystem-v:-I/usr/include_v}"
-
- /* Provide required defaults for linker switches. */
-
- #undef LINK_SPEC
- #define LINK_SPEC "%{msystem-v:-V} %{mcoff:-k}"
-
- #undef LIB_SPEC
- #define LIB_SPEC "%{mthreads:-L/lib/thread/}%{msystem-v:-lc_v}%{!msystem-v:%{mposix:-lc_p} -lc}"
-
- #undef STARTFILE_SPEC
- #define STARTFILE_SPEC "%{p:%{mcoff:pinit1.o%s}%{!mcoff:pinit.o%s}}%{!p:%{msystem-v:%{mcoff:vinit1.o%s}%{!mcoff:vinit.o%s}}%{!msystem-v:%{mcoff:init1.o%s}%{!mcoff:init.o%s}}}"
-
- #undef ENDFILE_SPEC
- #define ENDFILE_SPEC "%{mcoff:initn.o%s} %{p:_etext.o%s}"
-
- #undef SIZE_TYPE
- #define SIZE_TYPE "unsigned int"
-
- #undef WCHAR_TYPE
- #define WCHAR_TYPE "int"
-
- #undef PTRDIFF_TYPE
- #define PTRDIFF_TYPE "long int"
-
- /* We want to output DBX debugging information. */
-
- #define DBX_DEBUGGING_INFO
- #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
- /* We optionally want to be able to produce SDB debugging output so that
- we can create debuggable SDB/coff files. This won't be needed when
- stabs-in-coff works. */
-
- #define SDB_DEBUGGING_INFO
-
- /* Generate calls to memcpy, memcmp and memset. */
-
- #define TARGET_MEM_FUNCTIONS
-
- /* Handle #pragma pack and sometimes #pragma weak. */
-
- #define HANDLE_SYSV_PRAGMA
-
- #define TARGET_THREADS (target_flags & MASK_THREADS)
- #define MASK_THREADS 0x40000000
-
- #define TARGET_POSIX (target_flags & MASK_POSIX)
- #define MASK_POSIX 0x20000000
-
- #define TARGET_SYSTEM_V (target_flags & MASK_SYSTEM_V)
- #define MASK_SYSTEM_V 0x10000000
-
- #define TARGET_COFF (target_flags & MASK_COFF)
- #define MASK_COFF 0x08000000
-
- #undef SUBTARGET_SWITCHES
- #define SUBTARGET_SWITCHES \
- {"threads", MASK_THREADS}, \
- {"posix", MASK_POSIX}, \
- {"system-v", MASK_SYSTEM_V}, \
- {"coff", MASK_COFF},
-
- #undef SUBTARGET_OVERRIDE_OPTIONS
- #define SUBTARGET_OVERRIDE_OPTIONS \
- { if (TARGET_SYSTEM_V && profile_flag) \
- warning ("-msystem-v and -p are incompatible"); \
- if (TARGET_SYSTEM_V && TARGET_THREADS) \
- warning ("-msystem-v and -mthreads are incompatible"); }
-
- /* Define this so that C++ destructors will use atexit. */
-
- #define HAVE_ATEXIT
-
- /* This is defined only so that we can find the assembler. Everything else
- is in /bin. */
-
- #define MD_EXEC_PREFIX "/usr/local/lib/gcc-"
-
- /* This is needed because /bin/ld does not handle -L options correctly. */
-
- #define LINK_LIBGCC_SPECIAL_1
-
- /* The Lynx linker considers __main to be a possible entry point, so we
- must use a different name. */
-
- #define NAME__MAIN "____main"
- #define SYMBOL__MAIN ____main
-