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   crtbegin.o%s"
  42
  43 #undef ENDFILE_SPEC
  44 #define ENDFILE_SPEC \
  45   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}\
  46    crtend.o%s"
  47
  48 /* Normally, -lgcc is not needed since everything in it is in the DLL, but we
  49    want to allow things to be added to it when installing new versions of
  50    GCC without making a new CYGWIN.DLL, so we leave it.  Profiling is handled
  51    by calling the init function from main.  */
  52
  53 #undef LIBGCC_SPEC
  54 #define LIBGCC_SPEC \
  55   "%{mno-cygwin: %{mthreads:-lmingwthrd} -lmingw32} -lgcc       \
  56    %{mno-cygwin:-lmoldname -lmingwex -lmsvcrt}"
  57
  58 /* We have to dynamic link to get to the system DLLs.  All of libc, libm and
  59    the Unix stuff is in cygwin.dll.  The import library is called
  60    'libcygwin.a'.  For Windows applications, include more libraries, but
  61    always include kernel32.  We'd like to specific subsystem windows to
  62    ld, but that doesn't work just yet.  */
  63
  64 #undef LIB_SPEC
  65 #define LIB_SPEC "\
  66   %{pg:-lgmon} \
  67   %{!mno-cygwin:-lcygwin} \
  68   %{mno-cygwin:%{mthreads:-lmingwthrd} -lmingw32} \
  69   %{mwindows:-lgdi32 -lcomdlg32} \
  70   -luser32 -lkernel32 -ladvapi32 -lshell32"
  71
  72 #define LINK_SPEC "\
  73   %{mwindows:--subsystem windows} \
  74   %{mconsole:--subsystem console} \
  75   %{shared: %{mdll: %eshared and mdll are not compatible}} \
  76   %{shared: --shared} %{mdll:--dll} \
  77   %{static:-Bstatic} %{!static:-Bdynamic} \
  78   %{shared|mdll: -e \
  79     %{mno-cygwin:_DllMainCRTStartup@12} \
  80     %{!mno-cygwin:__cygwin_dll_entry@12}}\
  81   %{!mno-cygwin:--dll-search-prefix=cyg}"
  82
  83 /* Allocate space for all of the machine-spec-specific stuff.
  84    Allocate enough space for cygwin -> mingw32  munging plus
  85    possible addition of "/mingw".  */
  86
  87 #ifndef CYGWIN_MINGW_SUBDIR
  88 #define CYGWIN_MINGW_SUBDIR "/mingw"
  89 #endif
  90 #define CYGWIN_MINGW_SUBDIR_LEN (sizeof (CYGWIN_MINGW_SUBDIR) - 1)
  91
  92 #ifdef GPLUSPLUS_INCLUDE_DIR
  93 char cygwin_gplusplus_include_dir[sizeof (GPLUSPLUS_INCLUDE_DIR) + 1
  94                                   + (CYGWIN_MINGW_SUBDIR_LEN)]
  95   = GPLUSPLUS_INCLUDE_DIR;
  96 #undef GPLUSPLUS_INCLUDE_DIR
  97 #define GPLUSPLUS_INCLUDE_DIR ((const char *) cygwin_gplusplus_include_dir)
  98 #ifndef GEN_CVT_ARRAY
  99 #define GEN_CVT_ARRAY
 100 #endif
 101 #endif
 102
 103 #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
 104 char cygwin_gplusplus_tool_include_dir[sizeof (GPLUSPLUS_TOOL_INCLUDE_DIR) + 1
 105                                        + CYGWIN_MINGW_SUBDIR_LEN]
 106   = GPLUSPLUS_TOOL_INCLUDE_DIR;
 107 #undef GPLUSPLUS_TOOL_INCLUDE_DIR
 108 #define GPLUSPLUS_TOOL_INCLUDE_DIR ((const char *) cygwin_gplusplus_tool_include_dir)
 109 #ifndef GEN_CVT_ARRAY
 110 #define GEN_CVT_ARRAY
 111 #endif
 112 #endif
 113
 114 #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
 115 char cygwin_gplusplus_backward_include_dir[sizeof (GPLUSPLUS_BACKWARD_INCLUDE_DIR)  + 1
 116                                            + CYGWIN_MINGW_SUBDIR_LEN]
 117   = GPLUSPLUS_BACKWARD_INCLUDE_DIR;
 118 #undef GPLUSPLUS_BACKWARD_INCLUDE_DIR
 119 #define GPLUSPLUS_BACKWARD_INCLUDE_DIR ((const char *) cygwin_gplusplus_backward_include_dir)
 120 #ifndef GEN_CVT_ARRAY
 121 #define GEN_CVT_ARRAY
 122 #endif
 123 #endif
 124
 125 #ifdef LOCAL_INCLUDE_DIR
 126 char cygwin_local_include_dir[sizeof (LOCAL_INCLUDE_DIR)  + 1
 127                               + CYGWIN_MINGW_SUBDIR_LEN]
 128   = LOCAL_INCLUDE_DIR;
 129 #undef LOCAL_INCLUDE_DIR
 130 #define LOCAL_INCLUDE_DIR ((const char *) cygwin_local_include_dir)
 131 #ifndef GEN_CVT_ARRAY
 132 #define GEN_CVT_ARRAY
 133 #endif
 134 #endif
 135
 136 #ifdef CROSS_INCLUDE_DIR
 137 char cygwin_cross_include_dir[sizeof (CROSS_INCLUDE_DIR) + 1
 138                               + CYGWIN_MINGW_SUBDIR_LEN]
 139   = CROSS_INCLUDE_DIR;
 140 #undef CROSS_INCLUDE_DIR
 141 #define CROSS_INCLUDE_DIR ((const char *) cygwin_cross_include_dir)
 142 #ifndef GEN_CVT_ARRAY
 143 #define GEN_CVT_ARRAY
 144 #endif
 145 #endif
 146
 147 #ifdef TOOL_INCLUDE_DIR
 148 char cygwin_tool_include_dir[sizeof (TOOL_INCLUDE_DIR) + 1
 149                              + CYGWIN_MINGW_SUBDIR_LEN]
 150   = TOOL_INCLUDE_DIR;
 151 #undef TOOL_INCLUDE_DIR
 152 #define TOOL_INCLUDE_DIR ((const char *) cygwin_tool_include_dir)
 153
 154 #ifndef CROSS_DIRECTORY_STRUCTURE
 155 #undef STANDARD_INCLUDE_DIR
 156 #define STANDARD_INCLUDE_DIR "/usr/include"
 157 char cygwin_standard_include_dir[sizeof (STANDARD_INCLUDE_DIR) + 1
 158                                  + CYGWIN_MINGW_SUBDIR_LEN]
 159   = STANDARD_INCLUDE_DIR;
 160 #undef STANDARD_INCLUDE_DIR
 161 #define STANDARD_INCLUDE_DIR ((const char *) cygwin_standard_include_dir)
 162 #endif
 163
 164 #ifndef GEN_CVT_ARRAY
 165 #define GEN_CVT_ARRAY
 166 #endif
 167 #endif
 168
 169 #ifndef GEN_CVT_ARRAY
 170 extern char *cvt_to_mingw[];
 171 #else
 172 char *cvt_to_mingw[] =
 173   {
 174 #ifdef GPLUSPLUS_INCLUDE_DIR
 175     cygwin_gplusplus_include_dir,
 176 #endif
 177
 178 #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
 179     cygwin_gplusplus_tool_include_dir,
 180 #endif
 181
 182 #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
 183     cygwin_gplusplus_backward_include_dir,
 184 #endif
 185
 186 #ifdef LOCAL_INCLUDE_DIR
 187     cygwin_local_include_dir,
 188 #endif
 189
 190 #ifdef CROSS_INCLUDE_DIR
 191     cygwin_cross_include_dir,
 192 #endif
 193
 194 #ifdef TOOL_INCLUDE_DIR
 195     cygwin_tool_include_dir,
 196 #endif
 197
 198 #ifdef STANDARD_INCLUDE_DIR
 199     cygwin_standard_include_dir,
 200 #endif
 201
 202     NULL
 203   };
 204 #undef GEN_CVT_ARRAY
 205 #endif /*GEN_CVT_ARRAY*/
 206
 207 void mingw_scan (int, const char * const *, char **);
 208 #if 1
 209 #define GCC_DRIVER_HOST_INITIALIZATION \
 210 do \
 211 { \
 212   mingw_scan(argc, (const char * const *) argv, (char **) &spec_machine); \
 213   } \
 214 while (0)
 215 #else
 216 #define GCC_DRIVER_HOST_INITIALIZATION \
 217 do \
 218 { \
 219   char *cprefix = concat (tooldir_base_prefix, spec_machine, \
 220                           dir_separator_str, NULL); \
 221   if (!IS_ABSOLUTE_PATH (cprefix)) \
 222     cprefix = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
 223                       spec_version, dir_separator_str, tooldir_prefix, NULL); \
 224   add_prefix (&exec_prefixes,\
 225               concat (cprefix, "../../../../", spec_machine, "/bin/", NULL), \
 226               "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL); \
 227   add_prefix (&exec_prefixes, cprefix, \
 228               "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL); \
 229   add_prefix (&startfile_prefixes,\
 230               concat (standard_startfile_prefix, "w32api", NULL),\
 231               "GCC", PREFIX_PRIORITY_LAST, 0, NULL);\
 232   mingw_scan(argc, (const char * const *) argv, &spec_machine); \
 233   } \
 234 while (0)
 235 #endif
 236
 237 /* Binutils does not handle weak symbols from dlls correctly.  For now,
 238    do not use them unnecessarily in gthr-posix.h.  */
 239 #define GTHREAD_USE_WEAK 0
 240
 241 /* Every program on cygwin links against cygwin1.dll which contains
 242    the pthread routines.  There is no need to explicitly link them
 243    and the -pthread flag is not recognized.  */
 244 #undef GOMP_SELF_SPECS
 245 #define GOMP_SELF_SPECS ""