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Merge gcc.295/cccp.c,v 1.9: don't let gcc(1) hide warnings in system headers.
[FreeBSD/FreeBSD.git] / contrib / gcc / config / netbsd-elf.h
1 /* Common configuration file for NetBSD ELF targets.
2    Copyright (C) 2002 Free Software Foundation, Inc.
3    Contributed by Wasabi Systems, Inc.
4
5 This file is part of GNU CC.
6
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 GNU CC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING.  If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA.  */
21
22
23 /* This defines which switch letters take arguments.  On NetBSD, most
24    of the normal cases (defined by gcc.c) apply, and we also have -h*
25    and -z* options (for the linker) (coming from SVR4).  */
26
27 #undef SWITCH_TAKES_ARG
28 #define SWITCH_TAKES_ARG(CHAR)                  \
29   (DEFAULT_SWITCH_TAKES_ARG (CHAR)              \
30    || (CHAR) == 'h'                             \
31    || (CHAR) == 'z'                             \
32    || (CHAR) == 'R')
33
34
35 /* Provide a STARTFILE_SPEC appropriate for NetBSD ELF.  Here we
36    provide support for the special GCC option -static.  On ELF
37    targets, we also add the crtbegin.o file, which provides part
38    of the support for getting C++ file-scope static objects
39    constructed before entering "main".  */
40
41 #undef STARTFILE_SPEC
42 #define STARTFILE_SPEC          \
43   "%{!shared:                   \
44      %{pg:gcrt0%O%s}            \
45      %{!pg:                     \
46        %{p:gcrt0%O%s}           \
47        %{!p:crt0%O%s}}}         \
48    %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}"
49
50
51 /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF.  Here we
52    add crtend.o, which provides part of the support for getting
53    C++ file-scope static objects deconstructed after exiting "main".  */
54
55 #undef ENDFILE_SPEC
56 #define ENDFILE_SPEC            \
57   "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
58
59
60 /* Provide a LINK_SPEC appropriate for NetBSD ELF.  Here we provide
61    support for the special GCC options -assert, -R, -rpath, -shared,
62    -nostdlib, -static, -rdynamic, and -dynamic-linker.  */
63
64 #undef LINK_SPEC
65 #define LINK_SPEC                                                       \
66   "%{assert*} %{R*} %{rpath*}                                           \
67    %{shared:-shared}                                                    \
68    %{!shared:                                                           \
69      -dc -dp                                                            \
70      %{!nostdlib:                                                       \
71        %{!r*:                                                           \
72          %{!e*:-e __start}}}                                            \
73      %{!static:                                                         \
74        %{rdynamic:-export-dynamic}                                      \
75        %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}       \
76      %{static:-static}}"