Exemplo n.º 1
0
    def __init__ (self,
                  verbose=0,
                  dry_run=0,
                  force=0):

        UnixCCompiler.__init__ (self, verbose, dry_run, force)

        (status, details) = check_config_h()
        self.debug_print("Python's GCC status: %s (details: %s)" %
                         (status, details))
        if status is not CONFIG_H_OK:
            self.warn(
                "Python's pyconfig.h doesn't seem to support your compiler.  " +
                ("Reason: %s." % details) +
                "Compiling may fail because of undefined preprocessor macros.")

        gcc_version, ld_version, dllwrap_version = get_compiler_versions()
        self.gcc_version, self.ld_version = gcc_version, ld_version
        self.debug_print(self.compiler_type + ": gcc %s, ld %s\n" %
                         (self.gcc_version,
                          self.ld_version) )

        # Hard-code GCC because that's what this is all about.
        # XXX optimization, warnings etc. should be customizable.
        self.set_executables(compiler='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
                             compiler_so='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
                             linker_exe='gcc -Zomf -Zmt -Zcrtdll',
                             linker_so='gcc -Zomf -Zmt -Zcrtdll -Zdll')

        # want the gcc library statically linked (so that we don't have
        # to distribute a version dependent on the compiler we have)
        self.dll_libraries=["gcc"]
Exemplo n.º 2
0
    def __init__(self, verbose=0, dry_run=0, force=0):

        UnixCCompiler.__init__(self, verbose, dry_run, force)

        status, details = check_config_h()
        self.debug_print("Python's GCC status: %s (details: %s)" %
                         (status, details))
        if status is not CONFIG_H_OK:
            self.warn(
                "Python's pyconfig.h doesn't seem to support your compiler. "
                "Reason: %s. "
                "Compiling may fail because of undefined preprocessor macros."
                % details)

        self.gcc_version, self.ld_version, self.dllwrap_version = \
            get_compiler_versions()
        self.debug_print(self.compiler_type + ": gcc %s, ld %s, dllwrap %s\n" %
                         (self.gcc_version,
                          self.ld_version,
                          self.dllwrap_version) )

        # ld_version >= "2.10.90" and < "2.13" should also be able to use
        # gcc -mdll instead of dllwrap
        # Older dllwraps had own version numbers, newer ones use the
        # same as the rest of binutils ( also ld )
        # dllwrap 2.10.90 is buggy
        if self.ld_version >= "2.10.90":
            self.linker_dll = "gcc"
        else:
            self.linker_dll = "dllwrap"

        # 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"

        # Hard-code GCC because that's what this is all about.
        # XXX optimization, warnings etc. should be customizable.
        self.set_executables(compiler='gcc -mcygwin -O -Wall',
                             compiler_so='gcc -mcygwin -mdll -O -Wall',
                             compiler_cxx='g++ -mcygwin -O -Wall',
                             linker_exe='gcc -mcygwin',
                             linker_so=('%s -mcygwin %s' %
                                        (self.linker_dll, shared_option)))

        # cygwin and mingw32 need different sets of libraries
        if self.gcc_version == "2.91.57":
            # cygwin shouldn't need msvcrt, but without the dlls will crash
            # (gcc version 2.91.57) -- perhaps something about initialization
            self.dll_libraries=["msvcrt"]
            self.warn(
                "Consider upgrading to a newer version of gcc")
        else:
            # Include the appropriate MSVC runtime library if Python was built
            # with MSVC 7.0 or later.
            self.dll_libraries = get_msvcr()
Exemplo n.º 3
0
    def link (self,
              target_desc,
              objects,
              output_filename,
              output_dir=None,
              libraries=None,
              library_dirs=None,
              runtime_library_dirs=None,
              export_symbols=None,
              debug=0,
              extra_preargs=None,
              extra_postargs=None,
              build_temp=None,
              target_lang=None):

        # use separate copies, so we can modify the lists
        extra_preargs = copy.copy(extra_preargs or [])
        libraries = copy.copy(libraries or [])
        objects = copy.copy(objects or [])

        # Additional libraries
        libraries.extend(self.dll_libraries)

        # handle export symbols by creating a def-file
        # with executables this only works with gcc/ld as linker
        if ((export_symbols is not None) and
            (target_desc != self.EXECUTABLE)):
            # (The linker doesn't do anything if output is up-to-date.
            # So it would probably better to check if we really need this,
            # but for this we had to insert some unchanged parts of
            # UnixCCompiler, and this is not what we want.)

            # we want to put some files in the same directory as the
            # object files are, build_temp doesn't help much
            # where are the object files
            temp_dir = os.path.dirname(objects[0])
            # name of dll to give the helper files the same base name
            (dll_name, dll_extension) = os.path.splitext(
                os.path.basename(output_filename))

            # generate the filenames for these files
            def_file = os.path.join(temp_dir, dll_name + ".def")

            # Generate .def file
            contents = [
                "LIBRARY %s INITINSTANCE TERMINSTANCE" % \
                os.path.splitext(os.path.basename(output_filename))[0],
                "DATA MULTIPLE NONSHARED",
                "EXPORTS"]
            for sym in export_symbols:
                contents.append('  "%s"' % sym)
            self.execute(write_file, (def_file, contents),
                         "writing %s" % def_file)

            # next add options for def-file and to creating import libraries
            # for gcc/ld the def-file is specified as any other object files
            objects.append(def_file)

        #end: if ((export_symbols is not None) and
        #        (target_desc != self.EXECUTABLE or self.linker_dll == "gcc")):

        # who wants symbols and a many times larger output file
        # should explicitly switch the debug mode on
        # otherwise we let dllwrap/ld strip the output file
        # (On my machine: 10KB < stripped_file < ??100KB
        #   unstripped_file = stripped_file + XXX KB
        #  ( XXX=254 for a typical python extension))
        if not debug:
            extra_preargs.append("-s")

        UnixCCompiler.link(self,
                           target_desc,
                           objects,
                           output_filename,
                           output_dir,
                           libraries,
                           library_dirs,
                           runtime_library_dirs,
                           None, # export_symbols, we do this in our def-file
                           debug,
                           extra_preargs,
                           extra_postargs,
                           build_temp,
                           target_lang)