/* Operating system specific defines to be used when targeting GCC for
hosting on Windows32, using a Unix style C library and tools.
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#define TARGET_VERSION fprintf (stderr, " (x86 Cygwin)");
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#define EXTRA_OS_CPP_BUILTINS() /* Nothing. */
#undef CPP_SPEC
#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} \
- %{mno-win32:%{mno-cygwin: %emno-cygwin and mno-win32 are not compatible}} \
- %{mno-cygwin:-D__MSVCRT__ -D__MINGW32__ %{!ansi:%{mthreads:-D_MT}}}\
- %{!mno-cygwin:-D__CYGWIN32__ -D__CYGWIN__ %{!ansi:-Dunix} -D__unix__ -D__unix }\
- %{mwin32|mno-cygwin:-DWIN32 -D_WIN32 -D__WIN32 -D__WIN32__ %{!ansi:-DWINNT}}\
- %{!nostdinc:%{!mno-win32|mno-cygwin:-idirafter ../include/w32api%s -idirafter ../../include/w32api%s}}\
+ -D__CYGWIN32__ -D__CYGWIN__ %{!ansi:-Dunix} -D__unix__ -D__unix \
+ %{mwin32:-DWIN32 -D_WIN32 -D__WIN32 -D__WIN32__ %{!ansi:-DWINNT}} \
+ %{!nostdinc:%{!mno-win32:-idirafter ../include/w32api%s -idirafter ../../include/w32api%s}}\
"
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "\
- %{shared|mdll: %{mno-cygwin:dllcrt2%O%s}}\
- %{!shared: %{!mdll: %{!mno-cygwin:crt0%O%s} %{mno-cygwin:crt2%O%s}\
+ %{!shared: %{!mdll: crt0%O%s \
%{pg:gcrt0%O%s}}}\
-"
+ crtbegin.o%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}\
+ crtend.o%s"
/* Normally, -lgcc is not needed since everything in it is in the DLL, but we
want to allow things to be added to it when installing new versions of
GCC without making a new CYGWIN.DLL, so we leave it. Profiling is handled
by calling the init function from main. */
-#undef LIBGCC_SPEC
-#define LIBGCC_SPEC \
- "%{mno-cygwin: %{mthreads:-lmingwthrd} -lmingw32} -lgcc \
- %{mno-cygwin:-lmoldname -lmingwex -lmsvcrt}"
+#ifdef ENABLE_SHARED_LIBGCC
+#define SHARED_LIBGCC_SPEC " \
+ %{static|static-libgcc:-lgcc -lgcc_eh} \
+ %{!static: \
+ %{!static-libgcc: \
+ %{!shared: \
+ %{!shared-libgcc:-lgcc -lgcc_eh} \
+ %{shared-libgcc:-lgcc_s -lgcc} \
+ } \
+ %{shared:-lgcc_s -lgcc} \
+ } \
+ } "
+#else
+#define SHARED_LIBGCC_SPEC " -lgcc "
+#endif
+
+#undef REAL_LIBGCC_SPEC
+#define REAL_LIBGCC_SPEC SHARED_LIBGCC_SPEC
/* We have to dynamic link to get to the system DLLs. All of libc, libm and
the Unix stuff is in cygwin.dll. The import library is called
#undef LIB_SPEC
#define LIB_SPEC "\
%{pg:-lgmon} \
- %{!mno-cygwin:-lcygwin} \
- %{mno-cygwin:%{mthreads:-lmingwthrd} -lmingw32} \
+ -lcygwin \
%{mwindows:-lgdi32 -lcomdlg32} \
- -luser32 -lkernel32 -ladvapi32 -lshell32"
-
-#define LINK_SPEC "\
- %{mwindows:--subsystem windows} \
- %{mconsole:--subsystem console} \
- %{shared: %{mdll: %eshared and mdll are not compatible}} \
- %{shared: --shared} %{mdll:--dll} \
- %{static:-Bstatic} %{!static:-Bdynamic} \
- %{shared|mdll: -e \
- %{mno-cygwin:_DllMainCRTStartup@12} \
- %{!mno-cygwin:__cygwin_dll_entry@12}}\
- %{!mno-cygwin:--dll-search-prefix=cyg}"
-
-/* Allocate space for all of the machine-spec-specific stuff.
- Allocate enough space for cygwin -> mingw32 munging plus
- possible addition of "/mingw". */
-
-#ifndef CYGWIN_MINGW_SUBDIR
-#define CYGWIN_MINGW_SUBDIR "/mingw"
-#endif
-#define CYGWIN_MINGW_SUBDIR_LEN (sizeof (CYGWIN_MINGW_SUBDIR) - 1)
-
-#ifdef GPLUSPLUS_INCLUDE_DIR
-char cygwin_gplusplus_include_dir[sizeof (GPLUSPLUS_INCLUDE_DIR) + 1
- + (CYGWIN_MINGW_SUBDIR_LEN)]
- = GPLUSPLUS_INCLUDE_DIR;
-#undef GPLUSPLUS_INCLUDE_DIR
-#define GPLUSPLUS_INCLUDE_DIR ((const char *) cygwin_gplusplus_include_dir)
-#ifndef GEN_CVT_ARRAY
-#define GEN_CVT_ARRAY
-#endif
-#endif
-
-#ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
-char cygwin_gplusplus_tool_include_dir[sizeof (GPLUSPLUS_TOOL_INCLUDE_DIR) + 1
- + CYGWIN_MINGW_SUBDIR_LEN]
- = GPLUSPLUS_TOOL_INCLUDE_DIR;
-#undef GPLUSPLUS_TOOL_INCLUDE_DIR
-#define GPLUSPLUS_TOOL_INCLUDE_DIR ((const char *) cygwin_gplusplus_tool_include_dir)
-#ifndef GEN_CVT_ARRAY
-#define GEN_CVT_ARRAY
-#endif
-#endif
-
-#ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
-char cygwin_gplusplus_backward_include_dir[sizeof (GPLUSPLUS_BACKWARD_INCLUDE_DIR) + 1
- + CYGWIN_MINGW_SUBDIR_LEN]
- = GPLUSPLUS_BACKWARD_INCLUDE_DIR;
-#undef GPLUSPLUS_BACKWARD_INCLUDE_DIR
-#define GPLUSPLUS_BACKWARD_INCLUDE_DIR ((const char *) cygwin_gplusplus_backward_include_dir)
-#ifndef GEN_CVT_ARRAY
-#define GEN_CVT_ARRAY
-#endif
-#endif
-
-#ifdef LOCAL_INCLUDE_DIR
-char cygwin_local_include_dir[sizeof (LOCAL_INCLUDE_DIR) + 1
- + CYGWIN_MINGW_SUBDIR_LEN]
- = LOCAL_INCLUDE_DIR;
-#undef LOCAL_INCLUDE_DIR
-#define LOCAL_INCLUDE_DIR ((const char *) cygwin_local_include_dir)
-#ifndef GEN_CVT_ARRAY
-#define GEN_CVT_ARRAY
-#endif
-#endif
-
-#ifdef CROSS_INCLUDE_DIR
-char cygwin_cross_include_dir[sizeof (CROSS_INCLUDE_DIR) + 1
- + CYGWIN_MINGW_SUBDIR_LEN]
- = CROSS_INCLUDE_DIR;
-#undef CROSS_INCLUDE_DIR
-#define CROSS_INCLUDE_DIR ((const char *) cygwin_cross_include_dir)
-#ifndef GEN_CVT_ARRAY
-#define GEN_CVT_ARRAY
-#endif
-#endif
-
-#ifdef TOOL_INCLUDE_DIR
-char cygwin_tool_include_dir[sizeof (TOOL_INCLUDE_DIR) + 1
- + CYGWIN_MINGW_SUBDIR_LEN]
- = TOOL_INCLUDE_DIR;
-#undef TOOL_INCLUDE_DIR
-#define TOOL_INCLUDE_DIR ((const char *) cygwin_tool_include_dir)
-
-#ifndef CROSS_COMPILE
-#undef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/usr/include"
-char cygwin_standard_include_dir[sizeof (STANDARD_INCLUDE_DIR) + 1
- + CYGWIN_MINGW_SUBDIR_LEN]
- = STANDARD_INCLUDE_DIR;
-#undef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR ((const char *) cygwin_standard_include_dir)
-#endif
+ -ladvapi32 -lshell32 -luser32 -lkernel32"
+
+/* To implement C++ function replacement we always wrap the cxx
+ malloc-like operators. See N2800 #17.6.4.6 [replacement.functions] */
+#define CXX_WRAP_SPEC_LIST " \
+ --wrap _Znwj \
+ --wrap _Znaj \
+ --wrap _ZdlPv \
+ --wrap _ZdaPv \
+ --wrap _ZnwjRKSt9nothrow_t \
+ --wrap _ZnajRKSt9nothrow_t \
+ --wrap _ZdlPvRKSt9nothrow_t \
+ --wrap _ZdaPvRKSt9nothrow_t \
+"
-#ifndef GEN_CVT_ARRAY
-#define GEN_CVT_ARRAY
-#endif
-#endif
+#if defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS)
-#ifndef GEN_CVT_ARRAY
-extern char *cvt_to_mingw[];
+#if USE_CYGWIN_LIBSTDCXX_WRAPPERS
+/* Default on, only explict -mno disables. */
+#define CXX_WRAP_SPEC_OPT "!mno-use-libstdc-wrappers"
#else
-char *cvt_to_mingw[] =
- {
-#ifdef GPLUSPLUS_INCLUDE_DIR
- cygwin_gplusplus_include_dir,
+/* Default off, only explict -m enables. */
+#define CXX_WRAP_SPEC_OPT "muse-libstdc-wrappers"
#endif
-#ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
- cygwin_gplusplus_tool_include_dir,
-#endif
+#define CXX_WRAP_SPEC "%{" CXX_WRAP_SPEC_OPT ":" CXX_WRAP_SPEC_LIST "}"
-#ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
- cygwin_gplusplus_backward_include_dir,
-#endif
+#else /* !defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS) */
-#ifdef LOCAL_INCLUDE_DIR
- cygwin_local_include_dir,
-#endif
+#define CXX_WRAP_SPEC ""
-#ifdef CROSS_INCLUDE_DIR
- cygwin_cross_include_dir,
-#endif
+#endif /* ?defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS) */
-#ifdef TOOL_INCLUDE_DIR
- cygwin_tool_include_dir,
+#define LINK_SPEC "\
+ %{mwindows:--subsystem windows} \
+ %{mconsole:--subsystem console} \
+ " CXX_WRAP_SPEC " \
+ %{shared: %{mdll: %eshared and mdll are not compatible}} \
+ %{shared: --shared} %{mdll:--dll} \
+ %{static:-Bstatic} %{!static:-Bdynamic} \
+ %{shared|mdll: --enable-auto-image-base -e __cygwin_dll_entry@12} \
+ --dll-search-prefix=cyg -tsaware"
+
+/* Binutils does not handle weak symbols from dlls correctly. For now,
+ do not use them unnecessarily in gthr-posix.h. */
+#define GTHREAD_USE_WEAK 0
+
+/* Every program on cygwin links against cygwin1.dll which contains
+ the pthread routines. There is no need to explicitly link them
+ and the -pthread flag is not recognized. */
+#undef GOMP_SELF_SPECS
+#define GOMP_SELF_SPECS ""
+
+/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */
+#if DWARF2_UNWIND_INFO
+#define LIBGCC_EH_EXTN ""
+#else
+#define LIBGCC_EH_EXTN "-sjlj"
#endif
+#define LIBGCC_SONAME "cyggcc_s" LIBGCC_EH_EXTN "-1.dll"
-#ifdef STANDARD_INCLUDE_DIR
- cygwin_standard_include_dir,
-#endif
+/* We should find a way to not have to update this manually. */
+#define LIBGCJ_SONAME "cyggcj" /*LIBGCC_EH_EXTN*/ "-12.dll"
- NULL
- };
-#undef GEN_CVT_ARRAY
-#endif /*GEN_CVT_ARRAY*/
-
-void mingw_scan PARAMS ((int, const char * const *, char **));
-#if 1
-#define GCC_DRIVER_HOST_INITIALIZATION \
-do \
-{ \
- mingw_scan(argc, argv, (char **) &spec_machine); \
- } \
-while (0)
-#else
-#define GCC_DRIVER_HOST_INITIALIZATION \
-do \
-{ \
- char *cprefix = concat (tooldir_base_prefix, spec_machine, \
- dir_separator_str, NULL); \
- if (!IS_ABSOLUTE_PATHNAME (cprefix)) \
- cprefix = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
- spec_version, dir_separator_str, tooldir_prefix, NULL); \
- add_prefix (&exec_prefixes,\
- concat (cprefix, "../../../../", spec_machine, "/bin/", NULL), \
- "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL); \
- add_prefix (&exec_prefixes, cprefix, \
- "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL); \
- add_prefix (&startfile_prefixes,\
- concat (standard_startfile_prefix, "w32api", NULL),\
- "GCC", PREFIX_PRIORITY_LAST, 0, NULL);\
- mingw_scan(argc, argv, &spec_machine); \
- } \
-while (0)
-#endif
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