| """CCompiler implementation for the Borland C++ compiler.""" |
| |
| # This implementation by Lyle Johnson, based on the original msvccompiler.py |
| # module and using the directions originally published by Gordon Williams. |
| |
| # XXX looks like there's a LOT of overlap between these two classes: |
| # someone should sit down and factor out the common code as |
| # WindowsCCompiler! --GPW |
| |
| import os |
| |
| from packaging.errors import (PackagingExecError, CompileError, LibError, |
| LinkError, UnknownFileError) |
| from packaging.compiler.ccompiler import CCompiler |
| from packaging.compiler import gen_preprocess_options |
| from packaging.file_util import write_file |
| from packaging.dep_util import newer |
| from packaging import logger |
| |
| |
| class BCPPCompiler(CCompiler) : |
| """Concrete class that implements an interface to the Borland C/C++ |
| compiler, as defined by the CCompiler abstract class. |
| """ |
| |
| name = 'bcpp' |
| description = 'Borland C++ Compiler' |
| |
| # Just set this so CCompiler's constructor doesn't barf. We currently |
| # don't use the 'set_executables()' bureaucracy provided by CCompiler, |
| # as it really isn't necessary for this sort of single-compiler class. |
| # Would be nice to have a consistent interface with UnixCCompiler, |
| # though, so it's worth thinking about. |
| executables = {} |
| |
| # Private class data (need to distinguish C from C++ source for compiler) |
| _c_extensions = ['.c'] |
| _cpp_extensions = ['.cc', '.cpp', '.cxx'] |
| |
| # Needed for the filename generation methods provided by the |
| # base class, CCompiler. |
| src_extensions = _c_extensions + _cpp_extensions |
| obj_extension = '.obj' |
| static_lib_extension = '.lib' |
| shared_lib_extension = '.dll' |
| static_lib_format = shared_lib_format = '%s%s' |
| exe_extension = '.exe' |
| |
| |
| def __init__(self, dry_run=False, force=False): |
| super(BCPPCompiler, self).__init__(dry_run, force) |
| |
| # These executables are assumed to all be in the path. |
| # Borland doesn't seem to use any special registry settings to |
| # indicate their installation locations. |
| |
| self.cc = "bcc32.exe" |
| self.linker = "ilink32.exe" |
| self.lib = "tlib.exe" |
| |
| self.preprocess_options = None |
| self.compile_options = ['/tWM', '/O2', '/q', '/g0'] |
| self.compile_options_debug = ['/tWM', '/Od', '/q', '/g0'] |
| |
| self.ldflags_shared = ['/Tpd', '/Gn', '/q', '/x'] |
| self.ldflags_shared_debug = ['/Tpd', '/Gn', '/q', '/x'] |
| self.ldflags_static = [] |
| self.ldflags_exe = ['/Gn', '/q', '/x'] |
| self.ldflags_exe_debug = ['/Gn', '/q', '/x','/r'] |
| |
| |
| # -- Worker methods ------------------------------------------------ |
| |
| def compile(self, sources, |
| output_dir=None, macros=None, include_dirs=None, debug=False, |
| extra_preargs=None, extra_postargs=None, depends=None): |
| |
| macros, objects, extra_postargs, pp_opts, build = \ |
| self._setup_compile(output_dir, macros, include_dirs, sources, |
| depends, extra_postargs) |
| compile_opts = extra_preargs or [] |
| compile_opts.append('-c') |
| if debug: |
| compile_opts.extend(self.compile_options_debug) |
| else: |
| compile_opts.extend(self.compile_options) |
| |
| for obj in objects: |
| try: |
| src, ext = build[obj] |
| except KeyError: |
| continue |
| # XXX why do the normpath here? |
| src = os.path.normpath(src) |
| obj = os.path.normpath(obj) |
| # XXX _setup_compile() did a mkpath() too but before the normpath. |
| # Is it possible to skip the normpath? |
| self.mkpath(os.path.dirname(obj)) |
| |
| if ext == '.res': |
| # This is already a binary file -- skip it. |
| continue # the 'for' loop |
| if ext == '.rc': |
| # This needs to be compiled to a .res file -- do it now. |
| try: |
| self.spawn(["brcc32", "-fo", obj, src]) |
| except PackagingExecError as msg: |
| raise CompileError(msg) |
| continue # the 'for' loop |
| |
| # The next two are both for the real compiler. |
| if ext in self._c_extensions: |
| input_opt = "" |
| elif ext in self._cpp_extensions: |
| input_opt = "-P" |
| else: |
| # Unknown file type -- no extra options. The compiler |
| # will probably fail, but let it just in case this is a |
| # file the compiler recognizes even if we don't. |
| input_opt = "" |
| |
| output_opt = "-o" + obj |
| |
| # Compiler command line syntax is: "bcc32 [options] file(s)". |
| # Note that the source file names must appear at the end of |
| # the command line. |
| try: |
| self.spawn([self.cc] + compile_opts + pp_opts + |
| [input_opt, output_opt] + |
| extra_postargs + [src]) |
| except PackagingExecError as msg: |
| raise CompileError(msg) |
| |
| return objects |
| |
| |
| def create_static_lib(self, objects, output_libname, output_dir=None, |
| debug=False, target_lang=None): |
| objects, output_dir = self._fix_object_args(objects, output_dir) |
| output_filename = \ |
| self.library_filename(output_libname, output_dir=output_dir) |
| |
| if self._need_link(objects, output_filename): |
| lib_args = [output_filename, '/u'] + objects |
| if debug: |
| pass # XXX what goes here? |
| try: |
| self.spawn([self.lib] + lib_args) |
| except PackagingExecError as msg: |
| raise LibError(msg) |
| else: |
| logger.debug("skipping %s (up-to-date)", output_filename) |
| |
| |
| def link(self, target_desc, objects, output_filename, output_dir=None, |
| libraries=None, library_dirs=None, runtime_library_dirs=None, |
| export_symbols=None, debug=False, extra_preargs=None, |
| extra_postargs=None, build_temp=None, target_lang=None): |
| |
| # XXX this ignores 'build_temp'! should follow the lead of |
| # msvccompiler.py |
| |
| objects, output_dir = self._fix_object_args(objects, output_dir) |
| libraries, library_dirs, runtime_library_dirs = \ |
| self._fix_lib_args(libraries, library_dirs, runtime_library_dirs) |
| |
| if runtime_library_dirs: |
| logger.warning("don't know what to do with " |
| "'runtime_library_dirs': %r", runtime_library_dirs) |
| |
| if output_dir is not None: |
| output_filename = os.path.join(output_dir, output_filename) |
| |
| if self._need_link(objects, output_filename): |
| |
| # Figure out linker args based on type of target. |
| if target_desc == CCompiler.EXECUTABLE: |
| startup_obj = 'c0w32' |
| if debug: |
| ld_args = self.ldflags_exe_debug[:] |
| else: |
| ld_args = self.ldflags_exe[:] |
| else: |
| startup_obj = 'c0d32' |
| if debug: |
| ld_args = self.ldflags_shared_debug[:] |
| else: |
| ld_args = self.ldflags_shared[:] |
| |
| |
| # Create a temporary exports file for use by the linker |
| if export_symbols is None: |
| def_file = '' |
| else: |
| head, tail = os.path.split(output_filename) |
| modname, ext = os.path.splitext(tail) |
| temp_dir = os.path.dirname(objects[0]) # preserve tree structure |
| def_file = os.path.join(temp_dir, '%s.def' % modname) |
| contents = ['EXPORTS'] |
| for sym in (export_symbols or []): |
| contents.append(' %s=_%s' % (sym, sym)) |
| self.execute(write_file, (def_file, contents), |
| "writing %s" % def_file) |
| |
| # Borland C++ has problems with '/' in paths |
| objects2 = [os.path.normpath(o) for o in objects] |
| # split objects in .obj and .res files |
| # Borland C++ needs them at different positions in the command line |
| objects = [startup_obj] |
| resources = [] |
| for file in objects2: |
| base, ext = os.path.splitext(os.path.normcase(file)) |
| if ext == '.res': |
| resources.append(file) |
| else: |
| objects.append(file) |
| |
| |
| for l in library_dirs: |
| ld_args.append("/L%s" % os.path.normpath(l)) |
| ld_args.append("/L.") # we sometimes use relative paths |
| |
| # list of object files |
| ld_args.extend(objects) |
| |
| # XXX the command line syntax for Borland C++ is a bit wonky; |
| # certain filenames are jammed together in one big string, but |
| # comma-delimited. This doesn't mesh too well with the |
| # Unix-centric attitude (with a DOS/Windows quoting hack) of |
| # 'spawn()', so constructing the argument list is a bit |
| # awkward. Note that doing the obvious thing and jamming all |
| # the filenames and commas into one argument would be wrong, |
| # because 'spawn()' would quote any filenames with spaces in |
| # them. Arghghh!. Apparently it works fine as coded... |
| |
| # name of dll/exe file |
| ld_args.extend((',',output_filename)) |
| # no map file and start libraries |
| ld_args.append(',,') |
| |
| for lib in libraries: |
| # see if we find it and if there is a bcpp specific lib |
| # (xxx_bcpp.lib) |
| libfile = self.find_library_file(library_dirs, lib, debug) |
| if libfile is None: |
| ld_args.append(lib) |
| # probably a BCPP internal library -- don't warn |
| else: |
| # full name which prefers bcpp_xxx.lib over xxx.lib |
| ld_args.append(libfile) |
| |
| # some default libraries |
| ld_args.append('import32') |
| ld_args.append('cw32mt') |
| |
| # def file for export symbols |
| ld_args.extend((',',def_file)) |
| # add resource files |
| ld_args.append(',') |
| ld_args.extend(resources) |
| |
| |
| if extra_preargs: |
| ld_args[:0] = extra_preargs |
| if extra_postargs: |
| ld_args.extend(extra_postargs) |
| |
| self.mkpath(os.path.dirname(output_filename)) |
| try: |
| self.spawn([self.linker] + ld_args) |
| except PackagingExecError as msg: |
| raise LinkError(msg) |
| |
| else: |
| logger.debug("skipping %s (up-to-date)", output_filename) |
| |
| # -- Miscellaneous methods ----------------------------------------- |
| |
| |
| def find_library_file(self, dirs, lib, debug=False): |
| # List of effective library names to try, in order of preference: |
| # xxx_bcpp.lib is better than xxx.lib |
| # and xxx_d.lib is better than xxx.lib if debug is set |
| # |
| # The "_bcpp" suffix is to handle a Python installation for people |
| # with multiple compilers (primarily Packaging hackers, I suspect |
| # ;-). The idea is they'd have one static library for each |
| # compiler they care about, since (almost?) every Windows compiler |
| # seems to have a different format for static libraries. |
| if debug: |
| dlib = (lib + "_d") |
| try_names = (dlib + "_bcpp", lib + "_bcpp", dlib, lib) |
| else: |
| try_names = (lib + "_bcpp", lib) |
| |
| for dir in dirs: |
| for name in try_names: |
| libfile = os.path.join(dir, self.library_filename(name)) |
| if os.path.exists(libfile): |
| return libfile |
| else: |
| # Oops, didn't find it in *any* of 'dirs' |
| return None |
| |
| # overwrite the one from CCompiler to support rc and res-files |
| def object_filenames(self, source_filenames, strip_dir=False, |
| output_dir=''): |
| if output_dir is None: |
| output_dir = '' |
| obj_names = [] |
| for src_name in source_filenames: |
| # use normcase to make sure '.rc' is really '.rc' and not '.RC' |
| base, ext = os.path.splitext(os.path.normcase(src_name)) |
| if ext not in (self.src_extensions + ['.rc','.res']): |
| raise UnknownFileError("unknown file type '%s' (from '%s')" % \ |
| (ext, src_name)) |
| if strip_dir: |
| base = os.path.basename(base) |
| if ext == '.res': |
| # these can go unchanged |
| obj_names.append(os.path.join(output_dir, base + ext)) |
| elif ext == '.rc': |
| # these need to be compiled to .res-files |
| obj_names.append(os.path.join(output_dir, base + '.res')) |
| else: |
| obj_names.append(os.path.join(output_dir, |
| base + self.obj_extension)) |
| return obj_names |
| |
| |
| def preprocess(self, source, output_file=None, macros=None, |
| include_dirs=None, extra_preargs=None, |
| extra_postargs=None): |
| _, macros, include_dirs = \ |
| self._fix_compile_args(None, macros, include_dirs) |
| pp_opts = gen_preprocess_options(macros, include_dirs) |
| pp_args = ['cpp32.exe'] + pp_opts |
| if output_file is not None: |
| pp_args.append('-o' + output_file) |
| if extra_preargs: |
| pp_args[:0] = extra_preargs |
| if extra_postargs: |
| pp_args.extend(extra_postargs) |
| pp_args.append(source) |
| |
| # We need to preprocess: either we're being forced to, or the |
| # source file is newer than the target (or the target doesn't |
| # exist). |
| if self.force or output_file is None or newer(source, output_file): |
| if output_file: |
| self.mkpath(os.path.dirname(output_file)) |
| try: |
| self.spawn(pp_args) |
| except PackagingExecError as msg: |
| raise CompileError(msg) |