diff options
Diffstat (limited to 'gcc-4.9/gcc/config/i386/cygwin.h')
| -rw-r--r-- | gcc-4.9/gcc/config/i386/cygwin.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/cygwin.h b/gcc-4.9/gcc/config/i386/cygwin.h new file mode 100644 index 000000000..f7b9a284c --- /dev/null +++ b/gcc-4.9/gcc/config/i386/cygwin.h @@ -0,0 +1,146 @@ +/* Operating system specific defines to be used when targeting GCC for + hosting on Windows32, using a Unix style C library and tools. + Copyright (C) 1995-2014 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 3, or (at your option) +any later version. + +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 GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#define EXTRA_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_define ("__CYGWIN__"); \ + if (!TARGET_64BIT) \ + builtin_define ("__CYGWIN32__"); \ + builtin_define ("__unix__"); \ + builtin_define ("__unix"); \ + } \ + while (0) + +#undef CPP_SPEC +#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} \ + %{!ansi:-Dunix} \ + %{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: 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. */ + +#ifdef ENABLE_SHARED_LIBGCC +#define SHARED_LIBGCC_SPEC " \ + %{static|static-libgcc:-lgcc -lgcc_eh} \ + %{!static: \ + %{!static-libgcc: \ + -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 + 'libcygwin.a'. For Windows applications, include more libraries, but + always include kernel32. We'd like to specific subsystem windows to + ld, but that doesn't work just yet. */ + +#undef LIB_SPEC +#define LIB_SPEC "\ + %{pg:-lgmon} \ + -lcygwin \ + %{mwindows:-lgdi32 -lcomdlg32} \ + -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 \ +" + +#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 "%{" 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: --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 "" +#undef GTM_SELF_SPECS +#define GTM_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*/ "-15.dll" + |