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Up to [GCC 2.x] / gcc / config|
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1.1 root 1: /* Target independent definitions for LynxOS, using Lynx's old as and ld.
2: Copyright (C) 1993 Free Software Foundation, Inc.
3:
4: This file is part of GNU CC.
5:
6: GNU CC is free software; you can redistribute it and/or modify
7: it under the terms of the GNU General Public License as published by
8: the Free Software Foundation; either version 2, or (at your option)
9: any later version.
10:
11: GNU CC is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU General Public License for more details.
15:
16: You should have received a copy of the GNU General Public License
17: along with GNU CC; see the file COPYING. If not, write to
18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20: /* This is for backwards compatibility with older Lynx tools, which use
21: a version of a.out format. */
22:
23: #undef ASM_SPEC
24: #define ASM_SPEC "%{mcoff:-C}"
25:
26: #undef CPP_SPEC
27: #define CPP_SPEC "%{mthreads:-D_MULTITHREADED} \
28: %{mposix:-D_POSIX_SOURCE} \
29: %{msystem-v:-I/usr/include_v}"
30:
31: /* Provide required defaults for linker switches. */
32:
33: #undef LINK_SPEC
34: #define LINK_SPEC "%{msystem-v:-V} %{mcoff:-k}"
35:
36: #undef LIB_SPEC
37: #define LIB_SPEC "%{mthreads:-L/lib/thread/}%{msystem-v:-lc_v}%{!msystem-v:%{mposix:-lc_p} -lc}"
38:
39: #undef STARTFILE_SPEC
40: #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}}}"
41:
42: #undef ENDFILE_SPEC
43: #define ENDFILE_SPEC "%{mcoff:initn.o%s} %{p:_etext.o%s}"
44:
45: #undef SIZE_TYPE
46: #define SIZE_TYPE "unsigned int"
47:
48: #undef WCHAR_TYPE
49: #define WCHAR_TYPE "int"
50:
51: #undef PTRDIFF_TYPE
52: #define PTRDIFF_TYPE "long int"
53:
54: /* We want to output DBX debugging information. */
55:
56: #define DBX_DEBUGGING_INFO
57: #undef PREFERRED_DEBUGGING_TYPE
58: #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
59:
60: /* We optionally want to be able to produce SDB debugging output so that
61: we can create debuggable SDB/coff files. This won't be needed when
62: stabs-in-coff works. */
63:
64: #define SDB_DEBUGGING_INFO
65:
66: /* Generate calls to memcpy, memcmp and memset. */
67:
68: #define TARGET_MEM_FUNCTIONS
69:
70: /* Handle #pragma pack and sometimes #pragma weak. */
71:
72: #define HANDLE_SYSV_PRAGMA
73:
74: #define TARGET_THREADS (target_flags & MASK_THREADS)
75: #define MASK_THREADS 0x40000000
76:
77: #define TARGET_POSIX (target_flags & MASK_POSIX)
78: #define MASK_POSIX 0x20000000
79:
80: #define TARGET_SYSTEM_V (target_flags & MASK_SYSTEM_V)
81: #define MASK_SYSTEM_V 0x10000000
82:
83: #define TARGET_COFF (target_flags & MASK_COFF)
84: #define MASK_COFF 0x08000000
85:
86: #undef SUBTARGET_SWITCHES
87: #define SUBTARGET_SWITCHES \
88: {"threads", MASK_THREADS}, \
89: {"posix", MASK_POSIX}, \
90: {"system-v", MASK_SYSTEM_V}, \
91: {"coff", MASK_COFF},
92:
93: #undef SUBTARGET_OVERRIDE_OPTIONS
94: #define SUBTARGET_OVERRIDE_OPTIONS \
95: { if (TARGET_SYSTEM_V && profile_flag) \
96: warning ("-msystem-v and -p are incompatible"); \
97: if (TARGET_SYSTEM_V && TARGET_THREADS) \
98: warning ("-msystem-v and -mthreads are incompatible"); }
99:
100: /* Define this so that C++ destructors will use atexit. */
101:
102: #define HAVE_ATEXIT
103:
104: /* This is defined only so that we can find the assembler. Everything else
105: is in /bin. */
106:
107: #define MD_EXEC_PREFIX "/usr/local/lib/gcc-"
108:
109: /* This is needed because /bin/ld does not handle -L options correctly. */
110:
111: #define LINK_LIBGCC_SPECIAL_1
112:
113: /* The Lynx linker considers __main to be a possible entry point, so we
114: must use a different name. */
115:
116: #define NAME__MAIN "____main"
117: #define SYMBOL__MAIN ____main
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