/* 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 Free Software Foundation, Inc.
This file is part of GCC.
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.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#define TARGET_VERSION fprintf (stderr, " (x86 Cygwin)");
%{shared|mdll: %{mno-cygwin:dllcrt2%O%s}}\
%{!shared: %{!mdll: %{!mno-cygwin:crt0%O%s} %{mno-cygwin:crt2%O%s}\
%{pg:gcrt0%O%s}}}\
-"
+ crtbegin.o%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{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 \
+#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 \
+ "%{mno-cygwin: %{mthreads:-lmingwthrd} -lmingw32} \
+ " SHARED_LIBGCC_SPEC " \
%{mno-cygwin:-lmoldname -lmingwex -lmsvcrt}"
/* We have to dynamic link to get to the system DLLs. All of libc, libm and
%{mwindows:-lgdi32 -lcomdlg32} \
-luser32 -lkernel32 -ladvapi32 -lshell32"
+/* 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 \
+"
+
+#if defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS)
+
+#if USE_CYGWIN_LIBSTDCXX_WRAPPERS
+/* Default on, only explict -mno disables. */
+#define CXX_WRAP_SPEC_OPT "!mno-use-libstdc-wrappers"
+#else
+/* Default off, only explict -m enables. */
+#define CXX_WRAP_SPEC_OPT "muse-libstdc-wrappers"
+#endif
+
+#define CXX_WRAP_SPEC "%{!mno-cygwin:%{" CXX_WRAP_SPEC_OPT ":" CXX_WRAP_SPEC_LIST "}}"
+
+#else /* !defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS) */
+
+#define CXX_WRAP_SPEC ""
+
+#endif /* ?defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS) */
+
#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: -e \
+ %{shared|mdll: --enable-auto-image-base -e \
%{mno-cygwin:_DllMainCRTStartup@12} \
%{!mno-cygwin:__cygwin_dll_entry@12}}\
- %{!mno-cygwin:--dll-search-prefix=cyg}"
+ %{!mno-cygwin:--dll-search-prefix=cyg -tsaware}"
/* Allocate space for all of the machine-spec-specific stuff.
Allocate enough space for cygwin -> mingw32 munging plus
#undef TOOL_INCLUDE_DIR
#define TOOL_INCLUDE_DIR ((const char *) cygwin_tool_include_dir)
-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE
#undef STANDARD_INCLUDE_DIR
#define STANDARD_INCLUDE_DIR "/usr/include"
char cygwin_standard_include_dir[sizeof (STANDARD_INCLUDE_DIR) + 1
#undef GEN_CVT_ARRAY
#endif /*GEN_CVT_ARRAY*/
-void mingw_scan (int, const char * const *, char **);
+void mingw_scan (int, const char * const *, const char **);
#if 1
#define GCC_DRIVER_HOST_INITIALIZATION \
do \
{ \
- mingw_scan(argc, argv, (char **) &spec_machine); \
+ mingw_scan(argc, (const char * const *) argv, &spec_machine); \
} \
while (0)
#else
add_prefix (&startfile_prefixes,\
concat (standard_startfile_prefix, "w32api", NULL),\
"GCC", PREFIX_PRIORITY_LAST, 0, NULL);\
- mingw_scan(argc, argv, &spec_machine); \
+ mingw_scan(argc, (const char * const *) argv, &spec_machine); \
} \
while (0)
#endif
/* 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"
+
+/* We should find a way to not have to update this manually. */
+#define LIBGCJ_SONAME "cyggcj" /*LIBGCC_EH_EXTN*/ "-11.dll"
+
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