1 /* Base configuration file for all MINIX targets. 2 Copyright (C) 1999, 2000, 2001, 2004, 2005 Free Software Foundation, Inc. 3 Adapted for MINIX by Lionel Sambuc <lionel@minix3.org> 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published 9 by the Free Software Foundation; either version 2, or (at your 10 option) any later version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING. If not, write to the 19 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22 /* MINIX defines 23 * Default, architecture independent values for MINIX 24 * 25 * For this to work properly, the order in the tm_file variable has 26 * to be the following: 27 * minix-spec.h $arch/minix.h minix.h 28 * 29 * minix-spec.h : specifies default arch-independent values 30 * $arch/minix.h: redefines as needed default minix values 31 * minix.h : maps GCC defines to the minix defines. 32 * 33 * WARNING: 34 * When changing any default, also check in the arch headers 35 * if the default is redefined and update them as required. 36 */ 37 38 /* In case we need to know. */ 39 #define USING_CONFIG_MINIX_SPEC 1 40 41 #define MINIX_TARGET_OS_CPP_BUILTINS() \ 42 do \ 43 { \ 44 builtin_define ("__minix"); \ 45 builtin_define ("__minix__"); \ 46 builtin_define ("__unix__"); \ 47 builtin_assert ("system=bsd"); \ 48 builtin_assert ("system=unix"); \ 49 builtin_assert ("system=minix"); \ 50 MINIX_TARGET_CPU_CPP_BUILTINS(); \ 51 } \ 52 while (0) 53 54 /* Define the default MINIX-specific per-CPU hook code. */ 55 #define MINIX_TARGET_CPU_CPP_BUILTINS() do {} while (0) 56 57 /* Look for the include files in the system-defined places. */ 58 59 #define MINIX_GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" 60 61 #define MINIX_GPLUSPLUS_BACKWARD_INCLUDE_DIR "/usr/include/g++/backward" 62 63 #define MINIX_GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT 1 64 65 #define MINIX_GCC_INCLUDE_DIR_ADD_SYSROOT 1 66 67 /* 68 * XXX figure out a better way to do this 69 */ 70 #define MINIX_GCC_INCLUDE_DIR "/usr/include/gcc-4.8" 71 72 /* Provide a CPP_SPEC appropriate for MINIX. We just deal with the GCC 73 option `-posix'. */ 74 #define MINIX_CPP_SPEC "%{posix:-D_POSIX_SOURCE}" 75 76 /* Pass -cxx-isystem to cc1/cc1plus. */ 77 #define MINIX_CC1PLUS_SPEC "%{cxx-isystem}" 78 #define MINIX_CC1_SPEC "%{cxx-isystem}" 79 80 81 #define MINIX_SUBTARGET_CPP_SPEC "" 82 #define MINIX_SUBTARGET_EXTRA_ASM_SPEC "" 83 #define MINIX_SUBTARGET_ASM_FLOAT_SPEC "" 84 85 #define MINIX_DYNAMIC_LINKER "/usr/libexec/ld.elf_so" 86 87 /* Under MINIX, just like on NetBSD, the normal location of the various 88 * *crt*.o files is the /usr/lib directory. */ 89 #define MINIX_STANDARD_STARTFILE_PREFIX "/usr/lib/" 90 91 /* Under NetBSD, the normal location of the compiler back ends is the 92 /usr/libexec directory. */ 93 94 #define MINIX_STANDARD_EXEC_PREFIX "/usr/libexec/" 95 #define MINIX_TOOLDIR_BASE_PREFIX "../" 96 #define MINIX_STANDARD_BINDIR_PREFIX "/usr/bin" 97 #define MINIX_STANDARD_LIBEXEC_PREFIX MINIX_STANDARD_EXEC_PREFIX 98 99 #define MINIX_LINK_GCC_C_SEQUENCE_SPEC \ 100 "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" 101 102 /* Provide a STARTFILE_SPEC appropriate for MINIX. Here we add 103 the magical crtbegin.o file (see crtstuff.c) which provides part 104 of the support for getting C++ file-scope static object constructed 105 before entering `main'. */ 106 #define MINIX_STARTFILE_SPEC \ 107 "%{!shared: \ 108 %{pg:gcrt0%O%s} \ 109 %{!pg: \ 110 %{p:gcrt0%O%s} \ 111 %{!p:%{profile:gcrt0%O%s} \ 112 %{!profile:crt0%O%s}}}} \ 113 %:if-exists(crti%O%s) \ 114 %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \ 115 %{!static: \ 116 %{!shared: \ 117 %{!pie:crtbegin%O%s} \ 118 %{pie:crtbeginS%O%s}} \ 119 %{shared:crtbeginS%O%s}}" 120 121 /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we 122 add crtend.o, which provides part of the support for getting 123 C++ file-scope static objects deconstructed after exiting "main". */ 124 #define MINIX_ENDFILE_SPEC \ 125 "%{!shared: \ 126 %{!pie:crtend%O%s} \ 127 %{pie:crtendS%O%s}} \ 128 %{shared:crtendS%O%s} \ 129 %:if-exists(crtn%O%s)" 130 131 /* Provide a LIB_SPEC appropriate for MINIX. Just select the appropriate 132 libc, depending on whether we're doing profiling or need threads support. 133 (similar to the default, except no -lg, and no -p). */ 134 #define MINIX_LIB_SPEC " \ 135 %{pthread: %eThe -pthread option is only supported on MINIX when gcc \ 136 is built with the --enable-threads configure-time option.} \ 137 %{shared:-lc} \ 138 %{!shared: \ 139 %{!symbolic: \ 140 %{!p: \ 141 %{!pg:-lc}} \ 142 %{p:-lc_p} \ 143 %{pg:-lc_p}}}" 144 145 /* Provide a LINK_SPEC appropriate for MINIX. Here we provide support 146 for the special GCC options -static and -shared, which allow us to 147 link things in one of these three modes by applying the appropriate 148 combinations of options at link-time. We like to support here for 149 as many of the other GNU linker options as possible. But I don't 150 have the time to search for those flags. I am sure how to add 151 support for -soname shared_object_name. H.J. 152 153 I took out %{v:%{!V:-V}}. It is too much :-(. They can use 154 -Wl,-V. 155 156 When the -shared link option is used a final link is not being 157 done. */ 158 #define MINIX_LINK_SPEC " \ 159 -X \ 160 %{p:%nconsider using `-pg' instead of `-p' with gprof(1) } \ 161 %{assert*} %{R*} %{rpath*} \ 162 %{shared:-Bshareable %{h*} %{soname*}} \ 163 %{symbolic:-Bsymbolic} \ 164 %{!shared: \ 165 -dc -dp \ 166 %{!static: \ 167 %{rdynamic:-export-dynamic} \ 168 %{!dynamic-linker:-dynamic-linker %(minix_dynamic_linker) }} \ 169 %{static:-Bstatic}}" 170 171 #define MINIX_TARGET_UNWIND_TABLES_DEFAULT true 172