"""distutils.msvccompiler Contains MSVCCompiler, an implementation of the abstract CCompiler class for the Microsoft Visual Studio.""" # Written by Perry Stoll # hacked by Robin Becker and Thomas Heller to do a better job of # finding DevStudio (through the registry) # This module should be kept compatible with Python 1.5.2. __revision__ = "$Id$" import sys, os, string from types import * from distutils.errors import \ DistutilsExecError, DistutilsPlatformError, \ CompileError, LibError, LinkError from distutils.ccompiler import \ CCompiler, gen_preprocess_options, gen_lib_options from distutils import log _can_read_reg = 0 try: import _winreg _can_read_reg = 1 hkey_mod = _winreg RegOpenKeyEx = _winreg.OpenKeyEx RegEnumKey = _winreg.EnumKey RegEnumValue = _winreg.EnumValue RegError = _winreg.error except ImportError: try: import win32api import win32con _can_read_reg = 1 hkey_mod = win32con RegOpenKeyEx = win32api.RegOpenKeyEx RegEnumKey = win32api.RegEnumKey RegEnumValue = win32api.RegEnumValue RegError = win32api.error except ImportError: pass if _can_read_reg: HKEY_CLASSES_ROOT = hkey_mod.HKEY_CLASSES_ROOT HKEY_LOCAL_MACHINE = hkey_mod.HKEY_LOCAL_MACHINE HKEY_CURRENT_USER = hkey_mod.HKEY_CURRENT_USER HKEY_USERS = hkey_mod.HKEY_USERS def get_devstudio_versions (): """Get list of devstudio versions from the Windows registry. Return a list of strings containing version numbers; the list will be empty if we were unable to access the registry (eg. couldn't import a registry-access module) or the appropriate registry keys weren't found.""" if not _can_read_reg: return [] K = 'Software\\Microsoft\\Devstudio' L = [] for base in (HKEY_CLASSES_ROOT, HKEY_LOCAL_MACHINE, HKEY_CURRENT_USER, HKEY_USERS): try: k = RegOpenKeyEx(base,K) i = 0 while 1: try: p = RegEnumKey(k,i) if p[0] in '123456789' and p not in L: L.append(p) except RegError: break i = i + 1 except RegError: pass L.sort() L.reverse() return L # get_devstudio_versions () def get_msvc_paths (path, version='6.0', platform='x86'): """Get a list of devstudio directories (include, lib or path). Return a list of strings; will be empty list if unable to access the registry or appropriate registry keys not found.""" if not _can_read_reg: return [] L = [] if path=='lib': path= 'Library' path = string.upper(path + ' Dirs') K = ('Software\\Microsoft\\Devstudio\\%s\\' + 'Build System\\Components\\Platforms\\Win32 (%s)\\Directories') % \ (version,platform) for base in (HKEY_CLASSES_ROOT, HKEY_LOCAL_MACHINE, HKEY_CURRENT_USER, HKEY_USERS): try: k = RegOpenKeyEx(base,K) i = 0 while 1: try: (p,v,t) = RegEnumValue(k,i) if string.upper(p) == path: V = string.split(v,';') for v in V: if hasattr(v, "encode"): try: v = v.encode("mbcs") except UnicodeError: pass if v == '' or v in L: continue L.append(v) break i = i + 1 except RegError: break except RegError: pass return L # get_msvc_paths() def find_exe (exe, version_number): """Try to find an MSVC executable program 'exe' (from version 'version_number' of MSVC) in several places: first, one of the MSVC program search paths from the registry; next, the directories in the PATH environment variable. If any of those work, return an absolute path that is known to exist. If none of them work, just return the original program name, 'exe'.""" for p in get_msvc_paths ('path', version_number): fn = os.path.join (os.path.abspath(p), exe) if os.path.isfile(fn): return fn # didn't find it; try existing path for p in string.split (os.environ['Path'],';'): fn = os.path.join(os.path.abspath(p),exe) if os.path.isfile(fn): return fn return exe # last desperate hope def set_path_env_var (name, version_number): """Set environment variable 'name' to an MSVC path type value obtained from 'get_msvc_paths()'. This is equivalent to a SET command prior to execution of spawned commands.""" p = get_msvc_paths (name, version_number) if p: os.environ[name] = string.join (p,';') class MSVCCompiler (CCompiler) : """Concrete class that implements an interface to Microsoft Visual C++, as defined by the CCompiler abstract class.""" compiler_type = 'msvc' # 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'] _rc_extensions = ['.rc'] _mc_extensions = ['.mc'] # Needed for the filename generation methods provided by the # base class, CCompiler. src_extensions = (_c_extensions + _cpp_extensions + _rc_extensions + _mc_extensions) res_extension = '.res' 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, verbose=0, dry_run=0, force=0): CCompiler.__init__ (self, verbose, dry_run, force) versions = get_devstudio_versions () if versions: version = versions[0] # highest version self.cc = find_exe("cl.exe", version) self.linker = find_exe("link.exe", version) self.lib = find_exe("lib.exe", version) self.rc = find_exe("rc.exe", version) # resource compiler self.mc = find_exe("mc.exe", version) # message compiler set_path_env_var ('lib', version) set_path_env_var ('include', version) path=get_msvc_paths('path', version) try: for p in string.split(os.environ['path'],';'): path.append(p) except KeyError: pass os.environ['path'] = string.join(path,';') else: # devstudio not found in the registry self.cc = "cl.exe" self.linker = "link.exe" self.lib = "lib.exe" self.rc = "rc.exe" self.mc = "mc.exe" self.preprocess_options = None self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3', '/GX' , '/DNDEBUG'] self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GX', '/Z7', '/D_DEBUG'] self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO'] self.ldflags_shared_debug = [ '/DLL', '/nologo', '/INCREMENTAL:no', '/pdb:None', '/DEBUG' ] self.ldflags_static = [ '/nologo'] # -- Worker methods ------------------------------------------------ def object_filenames (self, source_filenames, strip_dir=0, output_dir=''): # Copied from ccompiler.py, extended to return .res as 'object'-file # for .rc input file if output_dir is None: output_dir = '' obj_names = [] for src_name in source_filenames: (base, ext) = os.path.splitext (src_name) if ext not in self.src_extensions: # Better to raise an exception instead of silently continuing # and later complain about sources and targets having # different lengths raise CompileError ("Don't know how to compile %s" % src_name) if strip_dir: base = os.path.basename (base) if ext in self._rc_extensions: obj_names.append (os.path.join (output_dir, base + self.res_extension)) elif ext in self._mc_extensions: obj_names.append (os.path.join (output_dir, base + self.res_extension)) else: obj_names.append (os.path.join (output_dir, base + self.obj_extension)) return obj_names # object_filenames () def compile(self, sources, output_dir=None, macros=None, include_dirs=None, debug=0, 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, (src, ext) in build.items(): if debug: # pass the full pathname to MSVC in debug mode, # this allows the debugger to find the source file # without asking the user to browse for it src = os.path.abspath(src) if ext in self._c_extensions: input_opt = "/Tc" + src elif ext in self._cpp_extensions: input_opt = "/Tp" + src elif ext in self._rc_extensions: # compile .RC to .RES file input_opt = src output_opt = "/fo" + obj try: self.spawn ([self.rc] + pp_opts + [output_opt] + [input_opt]) except DistutilsExecError, msg: raise CompileError, msg continue elif ext in self._mc_extensions: # Compile .MC to .RC file to .RES file. # * '-h dir' specifies the directory for the # generated include file # * '-r dir' specifies the target directory of the # generated RC file and the binary message resource # it includes # # For now (since there are no options to change this), # we use the source-directory for the include file and # the build directory for the RC file and message # resources. This works at least for win32all. h_dir = os.path.dirname (src) rc_dir = os.path.dirname (obj) try: # first compile .MC to .RC and .H file self.spawn ([self.mc] + ['-h', h_dir, '-r', rc_dir] + [src]) base, _ = os.path.splitext (os.path.basename (src)) rc_file = os.path.join (rc_dir, base + '.rc') # then compile .RC to .RES file self.spawn ([self.rc] + ["/fo" + obj] + [rc_file]) except DistutilsExecError, msg: raise CompileError, msg continue else: # how to handle this file? raise CompileError ( "Don't know how to compile %s to %s" % \ (src, obj)) output_opt = "/Fo" + obj try: self.spawn ([self.cc] + compile_opts + pp_opts + [input_opt, output_opt] + extra_postargs) except DistutilsExecError, msg: raise CompileError, msg return objects # compile () def create_static_lib (self, objects, output_libname, output_dir=None, debug=0, 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 = objects + ['/OUT:' + output_filename] if debug: pass # XXX what goes here? try: self.spawn ([self.lib] + lib_args) except DistutilsExecError, msg: raise LibError, msg else: log.debug("skipping %s (up-to-date)", output_filename) # create_static_lib () 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): (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: self.warn ("I don't know what to do with 'runtime_library_dirs': " + str (runtime_library_dirs)) lib_opts = gen_lib_options (self, library_dirs, runtime_library_dirs, libraries) if output_dir is not None: output_filename = os.path.join (output_dir, output_filename) if self._need_link (objects, output_filename): if target_desc == CCompiler.EXECUTABLE: if debug: ldflags = self.ldflags_shared_debug[1:] else: ldflags = self.ldflags_shared[1:] else: if debug: ldflags = self.ldflags_shared_debug else: ldflags = self.ldflags_shared export_opts = [] for sym in (export_symbols or []): export_opts.append("/EXPORT:" + sym) ld_args = (ldflags + lib_opts + export_opts + objects + ['/OUT:' + output_filename]) # The MSVC linker generates .lib and .exp files, which cannot be # suppressed by any linker switches. The .lib files may even be # needed! Make sure they are generated in the temporary build # directory. Since they have different names for debug and release # builds, they can go into the same directory. if export_symbols is not None: (dll_name, dll_ext) = os.path.splitext( os.path.basename(output_filename)) implib_file = os.path.join( os.path.dirname(objects[0]), self.library_filename(dll_name)) ld_args.append ('/IMPLIB:' + implib_file) 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 DistutilsExecError, msg: raise LinkError, msg else: log.debug("skipping %s (up-to-date)", output_filename) # link () # -- Miscellaneous methods ----------------------------------------- # These are all used by the 'gen_lib_options() function, in # ccompiler.py. def library_dir_option (self, dir): return "/LIBPATH:" + dir def runtime_library_dir_option (self, dir): raise DistutilsPlatformError, \ "don't know how to set runtime library search path for MSVC++" def library_option (self, lib): return self.library_filename (lib) def find_library_file (self, dirs, lib, debug=0): # Prefer a debugging library if found (and requested), but deal # with it if we don't have one. if debug: try_names = [lib + "_d", lib] else: try_names = [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 # find_library_file () # class MSVCCompiler