cygwinccompiler.py patch

113c113
<         self.gcc_version, self.ld_version, self.dllwrap_version = \
---
>         self.gcc_version, self.ld_version, self.dllwrap_version, self.clang_gcc_version = \
314a315,355
> class ClangCCompiler(CygwinCCompiler):
>     """ Handles the Clang C compiler.
>     """
>     compiler_type = 'clang'
>
>     def __init__(self, verbose=0, dry_run=0, force=0):
>
>         CygwinCCompiler.__init__ (self, verbose, dry_run, force)
>
>         # ld_version >= "2.13" support -shared so use it instead of
>         # -mdll -static
>         if self.ld_version >= "2.13":
>             shared_option = "-shared"
>         else:
>             shared_option = "-mdll -static"
>
>         # A real mingw32 doesn't need to specify a different entry point,
>         # but cygwin 2.91.57 in no-cygwin-mode needs it.
>         if self.clang_gcc_version <= "2.91.57":
>             entry_point = '--entry _DllMain@12'
>         else:
>             entry_point = ''
>
>         self.set_executables(compiler='clang -mno-cygwin -O -Wall',
>                              compiler_so='clang -mno-cygwin -mdll -O -Wall',
>                              compiler_cxx='clang++ -mno-cygwin -O -Wall',
>                              linker_exe='clang -mno-cygwin',
>                              linker_so='%s -mno-cygwin %s %s'
>                                         % (self.linker_dll, shared_option,
>                                            entry_point))
>         # Maybe we should also append -mthreads, but then the finished
>         # dlls need another dll (mingwm10.dll see Mingw32 docs)
>         # (-mthreads: Support thread-safe exception handling on `Mingw32')
>
>         # no additional libraries needed
>         self.dll_libraries=[]
>
>         # Include the appropriate MSVC runtime library if Python was built
>         # with MSVC 7.0 or later.
>         self.dll_libraries = get_msvcr()
>
394c435
<     commands = ['gcc -dumpversion', 'ld -v', 'dllwrap --version']
---
>     commands = ['gcc -dumpversion', 'ld -v', 'dllwrap --version',  'clang -dumpversion']