/* Target independent definitions for LynxOS.  */

/* ??? The -C option may need to change to whatever option the GNU assembler
   actually accepts.  */
#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.  */
/* ??? The -k option may need to change to whatever option the GNU linker
   actually accepts.  This is to produce COFF output.  */
/* ??? The -V option may need to change to whatever option the GNU linker
   actually accepts.  This is to produce System-V magic numbers.  */
#undef LINK_SPEC
#define LINK_SPEC "%{!e*:-e __main} %{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

/* 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