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4f587cb0 | 1 | /* Target independent definitions for LynxOS. |
2f83c7d6 NC |
2 | Copyright (C) 1993, 1994, 1995, 1996, 1999, 2000, 2002, 2003, 2004, |
3 | 2007 Free Software Foundation, Inc. | |
4fb420c2 | 4 | |
2a71dcad | 5 | This file is part of GCC. |
4843c185 | 6 | |
2a71dcad | 7 | GCC is free software; you can redistribute it and/or modify |
4843c185 | 8 | it under the terms of the GNU General Public License as published by |
2f83c7d6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
4843c185 RS |
10 | any later version. |
11 | ||
2a71dcad | 12 | GCC is distributed in the hope that it will be useful, |
4843c185 RS |
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 | |
2f83c7d6 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
4843c185 | 20 | |
4f587cb0 AN |
21 | /* In this file we set up defaults that can be chosen by |
22 | <target>/lynx.h files. A target-specific lynx.h file can decide | |
23 | either to define and override these definitions or to use them by | |
24 | ensuring they are undefined at this point. If we were to #undef | |
25 | them here we might accidentally disable some target-specific | |
26 | defines. */ | |
27 | ||
28 | #ifndef EXTRA_OS_LYNX_TARGET_SPECS | |
29 | # define EXTRA_OS_LYNX_TARGET_SPECS | |
30 | #endif | |
31 | ||
32 | #ifndef EXTRA_OS_LYNX_SPECS | |
33 | # define EXTRA_OS_LYNX_SPECS \ | |
34 | { "cpp_os_lynx", CPP_OS_LYNX_SPEC }, \ | |
35 | { "lib_os_lynx", LIB_OS_LYNX_SPEC }, \ | |
36 | { "link_os_lynx", LINK_OS_LYNX_SPEC }, \ | |
37 | { "startfile_os_lynx", STARTFILE_OS_LYNX_SPEC }, \ | |
38 | { "endfile_os_lynx", ENDFILE_OS_LYNX_SPEC }, \ | |
39 | EXTRA_OS_LYNX_TARGET_SPECS | |
40 | #endif | |
41 | ||
42 | #ifndef SUBTARGET_EXTRA_SPECS | |
43 | # define SUBTARGET_EXTRA_SPECS EXTRA_OS_LYNX_SPECS | |
44 | #endif | |
45 | ||
46 | #ifndef CPP_SPEC | |
47 | # define CPP_SPEC "%(cpp_cpu) %(cpp_os_lynx)" | |
48 | #endif | |
49 | ||
50 | #ifndef LIB_SPEC | |
51 | # define LIB_SPEC "%(lib_os_lynx)" | |
52 | #endif | |
53 | ||
54 | #ifndef LINK_SPEC | |
55 | # define LINK_SPEC "%(link_os_lynx)" | |
56 | #endif | |
57 | ||
58 | #ifndef STARTFILE_SPEC | |
59 | # define STARTFILE_SPEC "%(startfile_os_lynx)" | |
60 | #endif | |
61 | ||
62 | #ifndef ENDFILE_SPEC | |
63 | # define ENDFILE_SPEC "%(endfile_os_lynx)" | |
64 | #endif | |
65 | ||
66 | #ifndef CPP_OS_LYNX_SPEC | |
67 | # define CPP_OS_LYNX_SPEC \ | |
68 | "%{mthreads: \ | |
69 | %{mlegacy-threads: \ | |
ab532386 | 70 | %ecannot use mthreads and mlegacy-threads together}} \ |
4f587cb0 AN |
71 | %{mthreads: -D_MULTITHREADED} \ |
72 | %{mlegacy-threads: -D_THREADS_POSIX4ad4} \ | |
73 | -Asystem=lynx -Asystem=unix -D__Lynx__ -D__unix__" | |
74 | #endif | |
75 | ||
76 | #ifndef LIB_OS_LYNX_SPEC | |
77 | # define LIB_OS_LYNX_SPEC \ | |
78 | "%{mlegacy-threads:-lposix-pre1c} -lm -lc" | |
79 | #endif | |
80 | ||
81 | /* We link static executables for LynxOS by default unless -mshared is | |
82 | used when linking an executable. Along the same line, we link to | |
83 | shared libraries when linking a shared object by default unless | |
84 | -static is used. | |
85 | ||
86 | We have to pass in our -L options here otherwise the translated | |
87 | startfile directories (%D) will take priority over this. | |
88 | Furthermore since we have to pass in -L options here we have to | |
89 | make sure that -L options provided by the user take priority over | |
90 | everything we specify. */ | |
91 | ||
92 | #ifndef LINK_OS_LYNX_SPEC | |
93 | # define LINK_OS_LYNX_SPEC \ | |
94 | "%{shared} %{static} \ | |
ab532386 | 95 | %{mshared: %{static: %ecannot use mshared and static together}} \ |
4f587cb0 AN |
96 | %{!mshared: %{!shared: %{!static: -static}}} \ |
97 | %{L*} \ | |
98 | %{mthreads: \ | |
99 | %{mshared: -L/lib/thread/shlib -rpath /lib/thread/shlib} \ | |
100 | %{shared: \ | |
101 | %{!static: -L/lib/thread/shlib -rpath /lib/thread/shlib} \ | |
102 | %{!mshared: -L/lib/thread}} \ | |
103 | %{shared: %{static: -L/lib/thread}}} \ | |
104 | %{!mthreads: \ | |
105 | %{mshared: -L/lib/shlib -rpath /lib/shlib} \ | |
106 | %{shared: -L/lib/shlib -rpath /lib/shlib}} \ | |
107 | %{mlegacy-threads:-lposix-pre1c} -lm -lc" | |
108 | #endif | |
109 | ||
110 | #ifndef STARTFILE_OS_LYNX_SPEC | |
111 | # define STARTFILE_OS_LYNX_SPEC \ | |
112 | "%{!shared: \ | |
113 | %{!mthreads: \ | |
114 | %{p:gcrt1.o%s} %{pg:gcrt1.o%s} \ | |
115 | %{!p:%{!pg:crt1.o%s}}} \ | |
116 | %{mthreads: \ | |
117 | %{p:thread/gcrt1.o%s} %{pg:thread/gcrt1.o%s} \ | |
118 | %{!p:%{!pg:thread/crt1.o%s }}}}\ | |
119 | %{mthreads: thread/crti.o%s} %{!mthreads: crti.o%s} \ | |
120 | %{!shared: crtbegin.o%s} \ | |
121 | %{shared: crtbeginS.o%s}" | |
122 | #endif | |
123 | ||
124 | #ifndef ENDFILE_OS_LYNX_SPEC | |
125 | # define ENDFILE_OS_LYNX_SPEC \ | |
126 | "%{!shared: crtend.o%s} \ | |
127 | %{shared: crtendS.o%s} \ | |
128 | %{mthreads: thread/crtn.o%s} %{!mthreads: crtn.o%s}" | |
129 | #endif | |
130 | ||
4f587cb0 AN |
131 | /* Define the actual types of some ANSI-mandated types. */ |
132 | ||
133 | #ifndef SIZE_TYPE | |
134 | # define SIZE_TYPE "unsigned int" | |
135 | #endif | |
136 | ||
137 | #ifndef PTRDIFF_TYPE | |
138 | # define PTRDIFF_TYPE "int" | |
139 | #endif | |
140 | ||
141 | #ifndef WCHAR_TYPE | |
142 | # define WCHAR_TYPE "long int" | |
143 | #endif | |
144 | ||
145 | #ifndef WCHAR_TYPE_SIZE | |
146 | # define WCHAR_TYPE_SIZE BITS_PER_WORD | |
147 | #endif | |
148 | ||
149 | /* Define ASM_OUTPUT_ALIGN to use the .balign directive rather that | |
150 | the .align directive with GAS. */ | |
151 | ||
152 | #ifndef ASM_OUTPUT_ALIGN | |
153 | # define ASM_OUTPUT_ALIGN(FILE, LOG) \ | |
154 | do \ | |
155 | { \ | |
156 | if ((LOG) != 0) \ | |
157 | fprintf ((FILE), "\t.balign %d\n", 1 << (LOG)); \ | |
158 | } \ | |
159 | while (0) | |
160 | #endif | |
161 | ||
162 | /* Keep the *_DEBUGGING_INFO defines from elfos.h except that stabs is | |
163 | the default on LynxOS. */ | |
164 | ||
165 | #ifndef PREFERRED_DEBUGGING_TYPE | |
166 | # define PREFERRED_DEBUGGING_TYPE DBX_DEBUG | |
167 | #endif | |
168 | ||
169 | /* We have C++ support in our system headers. */ | |
170 | ||
171 | #ifndef NO_IMPLICIT_EXTERN_C | |
172 | # define NO_IMPLICIT_EXTERN_C | |
173 | #endif | |
174 | ||
4969c0d8 L |
175 | #ifndef TARGET_POSIX_IO |
176 | # define TARGET_POSIX_IO | |
4f587cb0 | 177 | #endif |