xref: /minix3/external/gpl3/gcc/files/minix-spec.h (revision f14fb602092e015ff630df58e17c2a9cd57d29b3)

/* Base configuration file for all FreeBSD targets.
   Copyright (C) 1999, 2000, 2001, 2004, 2005 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.  */

/* Common MINIX configuration.
   All MINIX architectures should include this file, which will specify
   their commonalities.
*/

/* In case we need to know.  */
#define USING_CONFIG_MINIX_SPEC 1

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

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

/* This defines which multi-letter switches take arguments.  */

#define MINIX_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"))

#define MINIX_TARGET_OS_CPP_BUILTINS()					\
  do									\
    {									\
		builtin_define ("__minix");				\
		MINIX_TARGET_CPU_CPP_BUILTINS();			\
    }									\
  while (0)

/* Define the default MINIX-specific per-CPU hook code.  */
#define MINIX_TARGET_CPU_CPP_BUILTINS() do {} while (0)

/* Provide a CPP_SPEC appropriate for MINIX.  We just deal with the GCC
   option `-posix', and PIC issues.  */

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

/* Provide a STARTFILE_SPEC appropriate for MINIX.  Here we add
   the magical crtbegin.o file (see crtstuff.c) which provides part
	of the support for getting C++ file-scope static object constructed
	before entering `main'.  */

#define MINIX_STARTFILE_SPEC \
  "%{!shared: \
     %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} \
		       %{!p:%{profile:gcrt0%O%s} \
			 %{!profile:crt0%O%s}}}} \
   crti%O%s %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}"

/* Provide a ENDFILE_SPEC appropriate for MINIX.  Here we tack on
   the magical crtend.o file (see crtstuff.c) which provides part of
	the support for getting C++ file-scope static object constructed
	before entering `main', followed by a normal "finalizer" file,
	`crtn.o'.  */

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

/* Provide a LIB_SPEC appropriate for MINIX.  Just select the appropriate
   libc, depending on whether we're doing profiling or need threads support.
   (similar to the default, except no -lg, and no -p).  */

#define MINIX_LIB_SPEC "							\
  %{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \
is built with the --enable-threads configure-time option.}		\
  %{!shared:								\
    %{!pg: -lc}								\
    %{pg:  -lc_p}							\
  }"

/* Under MINIX, just like on NetBSD, the normal location of the various
 *    *crt*.o files is the /usr/lib directory.  */

#undef STANDARD_STARTFILE_PREFIX
#define STANDARD_STARTFILE_PREFIX	"/usr/lib/"
#undef STANDARD_STARTFILE_PREFIX_1
#define STANDARD_STARTFILE_PREFIX_1	"/usr/lib/"

#define MINIX_DYNAMIC_LINKER "/libexec/ld-elf.so.1"