minix/external/gpl3/gcc/files/minix-spec.h

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/* Base configuration file for all MINIX targets.
Copyright (C) 1999, 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
Adapted for MINIX by Lionel Sambuc <lionel@minix3.org>
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. */
/* MINIX defines
* Default, architecture independent values for MINIX
*
* For this to work properly, the order in the tm_file variable has
* to be the following:
* minix-spec.h $arch/minix.h minix.h
*
* minix-spec.h : specifies default arch-independent values
* $arch/minix.h: redefines as needed default minix values
* minix.h : maps GCC defines to the minix defines.
*
* WARNING:
* When changing any default, also check in the arch headers
* if the default is redefined and update them as required.
*/
/* 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"); \
builtin_define ("__minix__"); \
builtin_define ("__unix__"); \
builtin_assert ("system=bsd"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=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)
/* Look for the include files in the system-defined places. */
#define MINIX_GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
#define MINIX_GPLUSPLUS_BACKWARD_INCLUDE_DIR "/usr/include/g++/backward"
/*
* XXX figure out a better way to do this
*/
#define MINIX_GCC_INCLUDE_DIR "/usr/include/gcc-4.5"
#define MINIX_INCLUDE_DEFAULTS \
{ \
{ MINIX_GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, 1 }, \
{ MINIX_GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, 1 }, \
{ MINIX_GCC_INCLUDE_DIR, "GCC", 0, 0, 1 }, \
{ "/usr/include", "GCC", 0, 0, 1 }, \
{ 0, 0, 0, 0 } \
}
/* Provide a CPP_SPEC appropriate for MINIX. We just deal with the GCC
option `-posix'. */
#define MINIX_CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
#define MINIX_CC1_SPEC ""
/* Pass -cxx-isystem to cc1plus. */
#define MINIX_CC1PLUS_SPEC "%{cxx-isystem}"
#define MINIX_SUBTARGET_CPP_SPEC ""
#define MINIX_SUBTARGET_EXTRA_ASM_SPEC ""
#define MINIX_SUBTARGET_ASM_FLOAT_SPEC ""
#define MINIX_DYNAMIC_LINKER "/usr/libexec/ld.elf_so"
/* Under MINIX, just like on NetBSD, the normal location of the various
* *crt*.o files is the /usr/lib directory. */
#define MINIX_STANDARD_STARTFILE_PREFIX "/usr/lib/"
#define MINIX_LINK_GCC_C_SEQUENCE_SPEC \
"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
/* 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}}}} \
%:if-exists(crti%O%s) \
%{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
%{!static: \
%{!shared: \
%{!pie:crtbegin%O%s} \
%{pie:crtbeginS%O%s}} \
%{shared:crtbeginS%O%s}}"
/* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we
add crtend.o, which provides part of the support for getting
C++ file-scope static objects deconstructed after exiting "main". */
#define MINIX_ENDFILE_SPEC \
"%{!shared: \
%{!pie:crtend%O%s} \
%{pie:crtendS%O%s}} \
%{shared:crtendS%O%s} \
%:if-exists(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 MINIX when gcc \
is built with the --enable-threads configure-time option.} \
%{shared:-lc} \
%{!shared: \
%{!symbolic: \
%{!p: \
%{!pg:-lc}} \
%{p:-lc_p} \
%{pg:-lc_p}}}"
/* Provide a LINK_SPEC appropriate for MINIX. Here we provide support
for the special GCC options -static and -shared, which allow us to
link things in one of these three modes by applying the appropriate
combinations of options at link-time. We like to support here for
as many of the other GNU linker options as possible. But I don't
have the time to search for those flags. I am sure how to add
support for -soname shared_object_name. H.J.
I took out %{v:%{!V:-V}}. It is too much :-(. They can use
-Wl,-V.
When the -shared link option is used a final link is not being
done. */
#define MINIX_LINK_SPEC " \
-X \
%{p:%nconsider using `-pg' instead of `-p' with gprof(1) } \
%{assert*} %{R*} %{rpath*} \
%{shared:-Bshareable %{h*} %{soname*}} \
%{symbolic:-Bsymbolic} \
%{!shared: \
-dc -dp \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker %(minix_dynamic_linker) }} \
%{static:-Bstatic}}"
#define MINIX_TARGET_UNWIND_TABLES_DEFAULT true