freebsd.h revision 45135
1/* Base configuration file for all FreeBSD targets. 2 Copyright (C) 1999 Free Software Foundation, Inc. 3 4This file is part of GNU CC. 5 6GNU CC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) 9any later version. 10 11GNU CC is distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with GNU CC; see the file COPYING. If not, write to 18the Free Software Foundation, 59 Temple Place - Suite 330, 19Boston, MA 02111-1307, USA. */ 20 21/* Common FreeBSD configuration. 22 All FreeBSD architectures should include this file, which will specify 23 their commonalities. 24 Adapted from /usr/src/contrib/gcc/config/i386/freebsd.h & 25 egcs/gcc/config/i386/freebsd-elf.h version by David O'Brien */ 26 27 28/* Don't assume anything about the header files. */ 29#define NO_IMPLICIT_EXTERN_C 30 31/* This defines which switch letters take arguments. On svr4, most of 32 the normal cases (defined in gcc.c) apply, and we also have -h* and 33 -z* options (for the linker). We have a slightly different mix. We 34 have -R (alias --rpath), no -z, --soname (-h), --assert etc. */ 35 36#undef SWITCH_TAKES_ARG 37#define SWITCH_TAKES_ARG(CHAR) \ 38 ( (CHAR) == 'D' \ 39 || (CHAR) == 'U' \ 40 || (CHAR) == 'o' \ 41 || (CHAR) == 'e' \ 42 || (CHAR) == 'T' \ 43 || (CHAR) == 'u' \ 44 || (CHAR) == 'I' \ 45 || (CHAR) == 'm' \ 46 || (CHAR) == 'x' \ 47 || (CHAR) == 'L' \ 48 || (CHAR) == 'A' \ 49 || (CHAR) == 'V' \ 50 || (CHAR) == 'B' \ 51 || (CHAR) == 'b' \ 52 || (CHAR) == 'h' \ 53 || (CHAR) == 'z' /* ignored by ld */ \ 54 || (CHAR) == 'R') 55 56#undef WORD_SWITCH_TAKES_ARG 57#define WORD_SWITCH_TAKES_ARG(STR) \ 58 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ 59 || !strcmp (STR, "rpath") || !strcmp (STR, "rpath-link") \ 60 || !strcmp (STR, "soname") || !strcmp (STR, "defsym") \ 61 || !strcmp (STR, "assert") || !strcmp (STR, "dynamic-linker")) 62 63 64#define CPP_FBSD_PREDEFINES "-Dunix -D__ELF__ -D__FreeBSD__=4 -D__FreeBSD_cc_version=400001 -Asystem(unix) -Asystem(FreeBSD)" 65 66 67/* Code generation parameters. */ 68 69/* Don't default to pcc-struct-return, because gcc is the only compiler, and 70 we want to retain compatibility with older gcc versions. 71 (even though the svr4 ABI for the i386 says that records and unions are 72 returned in memory) */ 73#define DEFAULT_PCC_STRUCT_RETURN 0 74 75/* Ensure we the configuration knows our system correctly so we can link with 76 libraries compiled with the native cc. */ 77#undef NO_DOLLAR_IN_LABEL 78 79 80/* Miscellaneous parameters. */ 81 82/* Tell libgcc2.c that FreeBSD targets support atexit(3). */ 83#define HAVE_ATEXIT 84 85 86/* FREEBSD_NATIVE is defined when gcc is integrated into the FreeBSD 87 source tree so it can be configured appropriately without using 88 the GNU configure/build mechanism. */ 89 90#ifdef FREEBSD_NATIVE 91 92/* Look for the include files in the system-defined places. */ 93 94#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" 95#define GCC_INCLUDE_DIR "/usr/include" 96 97/* Now that GCC knows what the include path applies to, put the G++ one first. 98 C++ can now have include files that override the default C ones. */ 99#define INCLUDE_DEFAULTS \ 100 { \ 101 { GPLUSPLUS_INCLUDE_DIR, "C++", 1, 1 }, \ 102 { GCC_INCLUDE_DIR, "GCC", 0, 0 }, \ 103 { 0, 0, 0, 0 } \ 104 } 105 106/* Under FreeBSD, the normal location of the compiler back ends is the 107 /usr/libexec directory. */ 108 109#define STANDARD_EXEC_PREFIX "/usr/libexec/" 110#define TOOLDIR_BASE_PREFIX "/usr/libexec/" 111 112/* Under FreeBSD, the normal location of the various *crt*.o files is the 113 /usr/lib directory. */ 114 115#define STANDARD_STARTFILE_PREFIX "/usr/lib/" 116 117/* FreeBSD is 4.4BSD derived */ 118#define bsd4_4 119 120#endif /* FREEBSD_NATIVE */ 121