gcc/config/i386/cygwin.h

   1 /* Operating system specific defines to be used when targeting GCC for
   2    hosting on Windows32, using a Unix style C library and tools.
   3    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
   4    Free Software Foundation, Inc.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23 #define TARGET_VERSION fprintf (stderr, " (x86 Cygwin)");
  24
  25 #define EXTRA_OS_CPP_BUILTINS()  /* Nothing.  */
  26
  27 #undef CPP_SPEC
  28 #define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} \
  29   %{mno-win32:%{mno-cygwin: %emno-cygwin and mno-win32 are not compatible}} \
  30   %{mno-cygwin:-D__MSVCRT__ -D__MINGW32__ %{!ansi:%{mthreads:-D_MT}}}\
  31   %{!mno-cygwin:-D__CYGWIN32__ -D__CYGWIN__ %{!ansi:-Dunix} -D__unix__ -D__unix }\
  32   %{mwin32|mno-cygwin:-DWIN32 -D_WIN32 -D__WIN32 -D__WIN32__ %{!ansi:-DWINNT}}\
  33   %{!nostdinc:%{!mno-win32|mno-cygwin:-idirafter ../include/w32api%s -idirafter ../../include/w32api%s}}\
  34 "
  35
  36 #undef STARTFILE_SPEC
  37 #define STARTFILE_SPEC "\
  38   %{shared|mdll: %{mno-cygwin:dllcrt2%O%s}}\
  39   %{!shared: %{!mdll: %{!mno-cygwin:crt0%O%s} %{mno-cygwin:crt2%O%s}\
  40   %{pg:gcrt0%O%s}}}\
  41 "
  42
  43 /* Normally, -lgcc is not needed since everything in it is in the DLL, but we
  44    want to allow things to be added to it when installing new versions of
  45    GCC without making a new CYGWIN.DLL, so we leave it.  Profiling is handled
  46    by calling the init function from main.  */
  47
  48 #undef LIBGCC_SPEC
  49 #define LIBGCC_SPEC \
  50   "%{mno-cygwin: %{mthreads:-lmingwthrd} -lmingw32} -lgcc       \
  51    %{mno-cygwin:-lmoldname -lmingwex -lmsvcrt}"
  52
  53 /* We have to dynamic link to get to the system DLLs.  All of libc, libm and
  54    the Unix stuff is in cygwin.dll.  The import library is called
  55    'libcygwin.a'.  For Windows applications, include more libraries, but
  56    always include kernel32.  We'd like to specific subsystem windows to
  57    ld, but that doesn't work just yet.  */
  58
  59 #undef LIB_SPEC
  60 #define LIB_SPEC "\
  61   %{pg:-lgmon} \
  62   %{!mno-cygwin:-lcygwin} \
  63   %{mno-cygwin:%{mthreads:-lmingwthrd} -lmingw32} \
  64   %{mwindows:-lgdi32 -lcomdlg32} \
  65   -luser32 -lkernel32 -ladvapi32 -lshell32"
  66
  67 #define LINK_SPEC "\
  68   %{mwindows:--subsystem windows} \
  69   %{mconsole:--subsystem console} \
  70   %{shared: %{mdll: %eshared and mdll are not compatible}} \
  71   %{shared: --shared} %{mdll:--dll} \
  72   %{static:-Bstatic} %{!static:-Bdynamic} \
  73   %{shared|mdll: -e \
  74     %{mno-cygwin:_DllMainCRTStartup@12} \
  75     %{!mno-cygwin:__cygwin_dll_entry@12}}\
  76   %{!mno-cygwin:--dll-search-prefix=cyg}"
  77
  78 /* Allocate space for all of the machine-spec-specific stuff.
  79    Allocate enough space for cygwin -> mingw32  munging plus
  80    possible addition of "/mingw".  */
  81
  82 #ifndef CYGWIN_MINGW_SUBDIR
  83 #define CYGWIN_MINGW_SUBDIR "/mingw"
  84 #endif
  85 #define CYGWIN_MINGW_SUBDIR_LEN (sizeof (CYGWIN_MINGW_SUBDIR) - 1)
  86
  87 #ifdef GPLUSPLUS_INCLUDE_DIR
  88 char cygwin_gplusplus_include_dir[sizeof (GPLUSPLUS_INCLUDE_DIR) + 1
  89                                   + (CYGWIN_MINGW_SUBDIR_LEN)]
  90   = GPLUSPLUS_INCLUDE_DIR;
  91 #undef GPLUSPLUS_INCLUDE_DIR
  92 #define GPLUSPLUS_INCLUDE_DIR ((const char *) cygwin_gplusplus_include_dir)
  93 #ifndef GEN_CVT_ARRAY
  94 #define GEN_CVT_ARRAY
  95 #endif
  96 #endif
  97
  98 #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
  99 char cygwin_gplusplus_tool_include_dir[sizeof (GPLUSPLUS_TOOL_INCLUDE_DIR) + 1
 100                                        + CYGWIN_MINGW_SUBDIR_LEN]
 101   = GPLUSPLUS_TOOL_INCLUDE_DIR;
 102 #undef GPLUSPLUS_TOOL_INCLUDE_DIR
 103 #define GPLUSPLUS_TOOL_INCLUDE_DIR ((const char *) cygwin_gplusplus_tool_include_dir)
 104 #ifndef GEN_CVT_ARRAY
 105 #define GEN_CVT_ARRAY
 106 #endif
 107 #endif
 108
 109 #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
 110 char cygwin_gplusplus_backward_include_dir[sizeof (GPLUSPLUS_BACKWARD_INCLUDE_DIR)  + 1
 111                                            + CYGWIN_MINGW_SUBDIR_LEN]
 112   = GPLUSPLUS_BACKWARD_INCLUDE_DIR;
 113 #undef GPLUSPLUS_BACKWARD_INCLUDE_DIR
 114 #define GPLUSPLUS_BACKWARD_INCLUDE_DIR ((const char *) cygwin_gplusplus_backward_include_dir)
 115 #ifndef GEN_CVT_ARRAY
 116 #define GEN_CVT_ARRAY
 117 #endif
 118 #endif
 119
 120 #ifdef LOCAL_INCLUDE_DIR
 121 char cygwin_local_include_dir[sizeof (LOCAL_INCLUDE_DIR)  + 1
 122                               + CYGWIN_MINGW_SUBDIR_LEN]
 123   = LOCAL_INCLUDE_DIR;
 124 #undef LOCAL_INCLUDE_DIR
 125 #define LOCAL_INCLUDE_DIR ((const char *) cygwin_local_include_dir)
 126 #ifndef GEN_CVT_ARRAY
 127 #define GEN_CVT_ARRAY
 128 #endif
 129 #endif
 130
 131 #ifdef CROSS_INCLUDE_DIR
 132 char cygwin_cross_include_dir[sizeof (CROSS_INCLUDE_DIR) + 1
 133                               + CYGWIN_MINGW_SUBDIR_LEN]
 134   = CROSS_INCLUDE_DIR;
 135 #undef CROSS_INCLUDE_DIR
 136 #define CROSS_INCLUDE_DIR ((const char *) cygwin_cross_include_dir)
 137 #ifndef GEN_CVT_ARRAY
 138 #define GEN_CVT_ARRAY
 139 #endif
 140 #endif
 141
 142 #ifdef TOOL_INCLUDE_DIR
 143 char cygwin_tool_include_dir[sizeof (TOOL_INCLUDE_DIR) + 1
 144                              + CYGWIN_MINGW_SUBDIR_LEN]
 145   = TOOL_INCLUDE_DIR;
 146 #undef TOOL_INCLUDE_DIR
 147 #define TOOL_INCLUDE_DIR ((const char *) cygwin_tool_include_dir)
 148
 149 #ifndef CROSS_DIRECTORY_STRUCTURE
 150 #undef STANDARD_INCLUDE_DIR
 151 #define STANDARD_INCLUDE_DIR "/usr/include"
 152 char cygwin_standard_include_dir[sizeof (STANDARD_INCLUDE_DIR) + 1
 153                                  + CYGWIN_MINGW_SUBDIR_LEN]
 154   = STANDARD_INCLUDE_DIR;
 155 #undef STANDARD_INCLUDE_DIR
 156 #define STANDARD_INCLUDE_DIR ((const char *) cygwin_standard_include_dir)
 157 #endif
 158
 159 #ifndef GEN_CVT_ARRAY
 160 #define GEN_CVT_ARRAY
 161 #endif
 162 #endif
 163
 164 #ifndef GEN_CVT_ARRAY
 165 extern char *cvt_to_mingw[];
 166 #else
 167 char *cvt_to_mingw[] =
 168   {
 169 #ifdef GPLUSPLUS_INCLUDE_DIR
 170     cygwin_gplusplus_include_dir,
 171 #endif
 172
 173 #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
 174     cygwin_gplusplus_tool_include_dir,
 175 #endif
 176
 177 #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
 178     cygwin_gplusplus_backward_include_dir,
 179 #endif
 180
 181 #ifdef LOCAL_INCLUDE_DIR
 182     cygwin_local_include_dir,
 183 #endif
 184
 185 #ifdef CROSS_INCLUDE_DIR
 186     cygwin_cross_include_dir,
 187 #endif
 188
 189 #ifdef TOOL_INCLUDE_DIR
 190     cygwin_tool_include_dir,
 191 #endif
 192
 193 #ifdef STANDARD_INCLUDE_DIR
 194     cygwin_standard_include_dir,
 195 #endif
 196
 197     NULL
 198   };
 199 #undef GEN_CVT_ARRAY
 200 #endif /*GEN_CVT_ARRAY*/
 201
 202 void mingw_scan (int, const char * const *, char **);
 203 #if 1
 204 #define GCC_DRIVER_HOST_INITIALIZATION \
 205 do \
 206 { \
 207   mingw_scan(argc, (const char * const *) argv, (char **) &spec_machine); \
 208   } \
 209 while (0)
 210 #else
 211 #define GCC_DRIVER_HOST_INITIALIZATION \
 212 do \
 213 { \
 214   char *cprefix = concat (tooldir_base_prefix, spec_machine, \
 215                           dir_separator_str, NULL); \
 216   if (!IS_ABSOLUTE_PATH (cprefix)) \
 217     cprefix = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
 218                       spec_version, dir_separator_str, tooldir_prefix, NULL); \
 219   add_prefix (&exec_prefixes,\
 220               concat (cprefix, "../../../../", spec_machine, "/bin/", NULL), \
 221               "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL); \
 222   add_prefix (&exec_prefixes, cprefix, \
 223               "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL); \
 224   add_prefix (&startfile_prefixes,\
 225               concat (standard_startfile_prefix, "w32api", NULL),\
 226               "GCC", PREFIX_PRIORITY_LAST, 0, NULL);\
 227   mingw_scan(argc, (const char * const *) argv, &spec_machine); \
 228   } \
 229 while (0)
 230 #endif
 231
 232 /* Binutils does not handle weak symbols from dlls correctly.  For now,
 233    do not use them unnecessarily in gthr-posix.h.  */
 234 #define GTHREAD_USE_WEAK 0
 235
 236 /* Every program on cygwin links against cygwin1.dll which contains
 237    the pthread routines.  There is no need to explicitly link them
 238    and the -pthread flag is not recognized.  */
 239 #undef GOMP_SELF_SPECS
 240 #define GOMP_SELF_SPECS ""