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-rw-r--r--Lib/packaging/compiler/msvccompiler.py635
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diff --git a/Lib/packaging/compiler/msvccompiler.py b/Lib/packaging/compiler/msvccompiler.py
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+++ b/Lib/packaging/compiler/msvccompiler.py
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+"""CCompiler implementation for old Microsoft Visual Studio compilers.
+
+For a compiler compatible with VS 2005 and 2008, use msvc9compiler.
+"""
+
+# Written by Perry Stoll
+# hacked by Robin Becker and Thomas Heller to do a better job of
+# finding DevStudio (through the registry)
+
+
+import sys
+import os
+
+from packaging.errors import (PackagingExecError, PackagingPlatformError,
+ CompileError, LibError, LinkError)
+from packaging.compiler.ccompiler import CCompiler
+from packaging.compiler import gen_lib_options
+from packaging import logger
+
+_can_read_reg = False
+try:
+ import winreg
+
+ _can_read_reg = True
+ 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 = True
+ hkey_mod = win32con
+
+ RegOpenKeyEx = win32api.RegOpenKeyEx
+ RegEnumKey = win32api.RegEnumKey
+ RegEnumValue = win32api.RegEnumValue
+ RegError = win32api.error
+
+ except ImportError:
+ logger.warning(
+ "can't read registry to find the necessary compiler setting;\n"
+ "make sure that Python modules _winreg, win32api or win32con "
+ "are installed.")
+
+if _can_read_reg:
+ HKEYS = (hkey_mod.HKEY_USERS,
+ hkey_mod.HKEY_CURRENT_USER,
+ hkey_mod.HKEY_LOCAL_MACHINE,
+ hkey_mod.HKEY_CLASSES_ROOT)
+
+
+def read_keys(base, key):
+ """Return list of registry keys."""
+
+ try:
+ handle = RegOpenKeyEx(base, key)
+ except RegError:
+ return None
+ L = []
+ i = 0
+ while True:
+ try:
+ k = RegEnumKey(handle, i)
+ except RegError:
+ break
+ L.append(k)
+ i = i + 1
+ return L
+
+
+def read_values(base, key):
+ """Return dict of registry keys and values.
+
+ All names are converted to lowercase.
+ """
+ try:
+ handle = RegOpenKeyEx(base, key)
+ except RegError:
+ return None
+ d = {}
+ i = 0
+ while True:
+ try:
+ name, value, type = RegEnumValue(handle, i)
+ except RegError:
+ break
+ name = name.lower()
+ d[convert_mbcs(name)] = convert_mbcs(value)
+ i = i + 1
+ return d
+
+
+def convert_mbcs(s):
+ enc = getattr(s, "encode", None)
+ if enc is not None:
+ try:
+ s = enc("mbcs")
+ except UnicodeError:
+ pass
+ return s
+
+
+class MacroExpander:
+
+ def __init__(self, version):
+ self.macros = {}
+ self.load_macros(version)
+
+ def set_macro(self, macro, path, key):
+ for base in HKEYS:
+ d = read_values(base, path)
+ if d:
+ self.macros["$(%s)" % macro] = d[key]
+ break
+
+ def load_macros(self, version):
+ vsbase = r"Software\Microsoft\VisualStudio\%0.1f" % version
+ self.set_macro("VCInstallDir", vsbase + r"\Setup\VC", "productdir")
+ self.set_macro("VSInstallDir", vsbase + r"\Setup\VS", "productdir")
+ net = r"Software\Microsoft\.NETFramework"
+ self.set_macro("FrameworkDir", net, "installroot")
+ try:
+ if version > 7.0:
+ self.set_macro("FrameworkSDKDir", net, "sdkinstallrootv1.1")
+ else:
+ self.set_macro("FrameworkSDKDir", net, "sdkinstallroot")
+ except KeyError:
+ raise PackagingPlatformError(
+"""Python was built with Visual Studio 2003; extensions must be built with
+a compiler than can generate compatible binaries. Visual Studio 2003 was
+not found on this system. If you have Cygwin installed, you can try
+compiling with MingW32, by passing "-c mingw32" to pysetup.""")
+
+ p = r"Software\Microsoft\NET Framework Setup\Product"
+ for base in HKEYS:
+ try:
+ h = RegOpenKeyEx(base, p)
+ except RegError:
+ continue
+ key = RegEnumKey(h, 0)
+ d = read_values(base, r"%s\%s" % (p, key))
+ self.macros["$(FrameworkVersion)"] = d["version"]
+
+ def sub(self, s):
+ for k, v in self.macros.items():
+ s = s.replace(k, v)
+ return s
+
+
+def get_build_version():
+ """Return the version of MSVC that was used to build Python.
+
+ For Python 2.3 and up, the version number is included in
+ sys.version. For earlier versions, assume the compiler is MSVC 6.
+ """
+
+ prefix = "MSC v."
+ i = sys.version.find(prefix)
+ if i == -1:
+ return 6
+ i = i + len(prefix)
+ s, rest = sys.version[i:].split(" ", 1)
+ majorVersion = int(s[:-2]) - 6
+ minorVersion = int(s[2:3]) / 10.0
+ # I don't think paths are affected by minor version in version 6
+ if majorVersion == 6:
+ minorVersion = 0
+ if majorVersion >= 6:
+ return majorVersion + minorVersion
+ # else we don't know what version of the compiler this is
+ return None
+
+
+def get_build_architecture():
+ """Return the processor architecture.
+
+ Possible results are "Intel", "Itanium", or "AMD64".
+ """
+
+ prefix = " bit ("
+ i = sys.version.find(prefix)
+ if i == -1:
+ return "Intel"
+ j = sys.version.find(")", i)
+ return sys.version[i+len(prefix):j]
+
+
+def normalize_and_reduce_paths(paths):
+ """Return a list of normalized paths with duplicates removed.
+
+ The current order of paths is maintained.
+ """
+ # Paths are normalized so things like: /a and /a/ aren't both preserved.
+ reduced_paths = []
+ for p in paths:
+ np = os.path.normpath(p)
+ # XXX(nnorwitz): O(n**2), if reduced_paths gets long perhaps use a set.
+ if np not in reduced_paths:
+ reduced_paths.append(np)
+ return reduced_paths
+
+
+class MSVCCompiler(CCompiler):
+ """Concrete class that implements an interface to Microsoft Visual C++,
+ as defined by the CCompiler abstract class."""
+
+ name = 'msvc'
+ description = "Microsoft Visual C++"
+
+ # 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, dry_run=False, force=False):
+ super(MSVCCompiler, self).__init__(dry_run, force)
+ self.__version = get_build_version()
+ self.__arch = get_build_architecture()
+ if self.__arch == "Intel":
+ # x86
+ if self.__version >= 7:
+ self.__root = r"Software\Microsoft\VisualStudio"
+ self.__macros = MacroExpander(self.__version)
+ else:
+ self.__root = r"Software\Microsoft\Devstudio"
+ self.__product = "Visual Studio version %s" % self.__version
+ else:
+ # Win64. Assume this was built with the platform SDK
+ self.__product = "Microsoft SDK compiler %s" % (self.__version + 6)
+
+ self.initialized = False
+
+ def initialize(self):
+ self.__paths = []
+ if ("DISTUTILS_USE_SDK" in os.environ and "MSSdk" in os.environ and
+ self.find_exe("cl.exe")):
+ # Assume that the SDK set up everything alright; don't try to be
+ # smarter
+ self.cc = "cl.exe"
+ self.linker = "link.exe"
+ self.lib = "lib.exe"
+ self.rc = "rc.exe"
+ self.mc = "mc.exe"
+ else:
+ self.__paths = self.get_msvc_paths("path")
+
+ if len(self.__paths) == 0:
+ raise PackagingPlatformError("Python was built with %s "
+ "and extensions need to be built with the same "
+ "version of the compiler, but it isn't installed." %
+ self.__product)
+
+ self.cc = self.find_exe("cl.exe")
+ self.linker = self.find_exe("link.exe")
+ self.lib = self.find_exe("lib.exe")
+ self.rc = self.find_exe("rc.exe") # resource compiler
+ self.mc = self.find_exe("mc.exe") # message compiler
+ self.set_path_env_var('lib')
+ self.set_path_env_var('include')
+
+ # extend the MSVC path with the current path
+ try:
+ for p in os.environ['path'].split(';'):
+ self.__paths.append(p)
+ except KeyError:
+ pass
+ self.__paths = normalize_and_reduce_paths(self.__paths)
+ os.environ['path'] = ';'.join(self.__paths)
+
+ self.preprocess_options = None
+ if self.__arch == "Intel":
+ self.compile_options = ['/nologo', '/Ox', '/MD', '/W3', '/GX',
+ '/DNDEBUG']
+ self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GX',
+ '/Z7', '/D_DEBUG']
+ else:
+ # Win64
+ self.compile_options = ['/nologo', '/Ox', '/MD', '/W3', '/GS-',
+ '/DNDEBUG']
+ self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GS-',
+ '/Z7', '/D_DEBUG']
+
+ self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
+ if self.__version >= 7:
+ self.ldflags_shared_debug = [
+ '/DLL', '/nologo', '/INCREMENTAL:no', '/DEBUG'
+ ]
+ else:
+ self.ldflags_shared_debug = [
+ '/DLL', '/nologo', '/INCREMENTAL:no', '/pdb:None', '/DEBUG'
+ ]
+ self.ldflags_static = [ '/nologo']
+
+ self.initialized = True
+
+ # -- Worker methods ------------------------------------------------
+
+ def object_filenames(self, source_filenames, strip_dir=False, 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)
+ base = os.path.splitdrive(base)[1] # Chop off the drive
+ base = base[os.path.isabs(base):] # If abs, chop off leading /
+ 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
+
+ def compile(self, sources,
+ output_dir=None, macros=None, include_dirs=None, debug=False,
+ extra_preargs=None, extra_postargs=None, depends=None):
+
+ if not self.initialized:
+ self.initialize()
+ 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
+ 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 PackagingExecError as 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 PackagingExecError as 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 PackagingExecError as msg:
+ raise CompileError(msg)
+
+ return objects
+
+ def create_static_lib(self, objects, output_libname, output_dir=None,
+ debug=False, target_lang=None):
+ if not self.initialized:
+ self.initialize()
+ 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 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):
+
+ if not self.initialized:
+ self.initialize()
+ 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("don't know what to do with 'runtime_library_dirs': %s"
+ % (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 PackagingExecError as msg:
+ raise LinkError(msg)
+
+ else:
+ logger.debug("skipping %s (up-to-date)", output_filename)
+
+ # -- 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 PackagingPlatformError("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=False):
+ # 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
+
+ # Helper methods for using the MSVC registry settings
+
+ def find_exe(self, exe):
+ """Return path to an MSVC executable program.
+
+ Tries to find the program 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 self.__paths:
+ 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 os.environ['Path'].split(';'):
+ fn = os.path.join(os.path.abspath(p), exe)
+ if os.path.isfile(fn):
+ return fn
+
+ return exe
+
+ def get_msvc_paths(self, path, platform='x86'):
+ """Get a list of devstudio directories (include, lib or path).
+
+ Return a list of strings. The list will be empty if unable to
+ access the registry or appropriate registry keys not found.
+ """
+
+ if not _can_read_reg:
+ return []
+
+ path = path + " dirs"
+ if self.__version >= 7:
+ key = (r"%s\%0.1f\VC\VC_OBJECTS_PLATFORM_INFO\Win32\Directories"
+ % (self.__root, self.__version))
+ else:
+ key = (r"%s\6.0\Build System\Components\Platforms"
+ r"\Win32 (%s)\Directories" % (self.__root, platform))
+
+ for base in HKEYS:
+ d = read_values(base, key)
+ if d:
+ if self.__version >= 7:
+ return self.__macros.sub(d[path]).split(";")
+ else:
+ return d[path].split(";")
+ # MSVC 6 seems to create the registry entries we need only when
+ # the GUI is run.
+ if self.__version == 6:
+ for base in HKEYS:
+ if read_values(base, r"%s\6.0" % self.__root) is not None:
+ self.warn("It seems you have Visual Studio 6 installed, "
+ "but the expected registry settings are not present.\n"
+ "You must at least run the Visual Studio GUI once "
+ "so that these entries are created.")
+ break
+ return []
+
+ def set_path_env_var(self, name):
+ """Set environment variable 'name' to an MSVC path type value.
+
+ This is equivalent to a SET command prior to execution of spawned
+ commands.
+ """
+
+ if name == "lib":
+ p = self.get_msvc_paths("library")
+ else:
+ p = self.get_msvc_paths(name)
+ if p:
+ os.environ[name] = ';'.join(p)
+
+
+if get_build_version() >= 8.0:
+ logger.debug("importing new compiler from distutils.msvc9compiler")
+ OldMSVCCompiler = MSVCCompiler
+ from packaging.compiler.msvc9compiler import MSVCCompiler
+ # get_build_architecture not really relevant now we support cross-compile
+ from packaging.compiler.msvc9compiler import MacroExpander