596 lines
20 KiB
Python
596 lines
20 KiB
Python
"""distutils.msvccompiler
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Contains MSVCCompiler, an implementation of the abstract CCompiler class
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for the Microsoft Visual Studio.
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"""
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# Written by Perry Stoll
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# hacked by Robin Becker and Thomas Heller to do a better job of
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# finding DevStudio (through the registry)
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# This module should be kept compatible with Python 2.1.
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__revision__ = "$Id$"
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import sys, os, string
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from distutils.errors import \
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DistutilsExecError, DistutilsPlatformError, \
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CompileError, LibError, LinkError
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from distutils.ccompiler import \
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CCompiler, gen_preprocess_options, gen_lib_options
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from distutils import log
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_can_read_reg = 0
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try:
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import _winreg
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_can_read_reg = 1
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hkey_mod = _winreg
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RegOpenKeyEx = _winreg.OpenKeyEx
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RegEnumKey = _winreg.EnumKey
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RegEnumValue = _winreg.EnumValue
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RegError = _winreg.error
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except ImportError:
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try:
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import win32api
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import win32con
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_can_read_reg = 1
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hkey_mod = win32con
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RegOpenKeyEx = win32api.RegOpenKeyEx
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RegEnumKey = win32api.RegEnumKey
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RegEnumValue = win32api.RegEnumValue
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RegError = win32api.error
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except ImportError:
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log.info("Warning: Can't read registry to find the "
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"necessary compiler setting\n"
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"Make sure that Python modules _winreg, "
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"win32api or win32con are installed.")
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pass
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if _can_read_reg:
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HKEYS = (hkey_mod.HKEY_USERS,
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hkey_mod.HKEY_CURRENT_USER,
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hkey_mod.HKEY_LOCAL_MACHINE,
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hkey_mod.HKEY_CLASSES_ROOT)
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def read_keys(base, key):
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"""Return list of registry keys."""
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try:
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handle = RegOpenKeyEx(base, key)
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except RegError:
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return None
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L = []
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i = 0
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while 1:
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try:
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k = RegEnumKey(handle, i)
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except RegError:
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break
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L.append(k)
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i = i + 1
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return L
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def read_values(base, key):
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"""Return dict of registry keys and values.
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All names are converted to lowercase.
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"""
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try:
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handle = RegOpenKeyEx(base, key)
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except RegError:
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return None
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d = {}
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i = 0
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while 1:
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try:
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name, value, type = RegEnumValue(handle, i)
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except RegError:
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break
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name = name.lower()
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d[convert_mbcs(name)] = convert_mbcs(value)
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i = i + 1
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return d
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def convert_mbcs(s):
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enc = getattr(s, "encode", None)
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if enc is not None:
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try:
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s = enc("mbcs")
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except UnicodeError:
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pass
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return s
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class MacroExpander:
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def __init__(self, version):
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self.macros = {}
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self.load_macros(version)
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def set_macro(self, macro, path, key):
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for base in HKEYS:
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d = read_values(base, path)
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if d:
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self.macros["$(%s)" % macro] = d[key]
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break
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def load_macros(self, version):
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vsbase = r"Software\Microsoft\VisualStudio\%0.1f" % version
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self.set_macro("VCInstallDir", vsbase + r"\Setup\VC", "productdir")
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self.set_macro("VSInstallDir", vsbase + r"\Setup\VS", "productdir")
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net = r"Software\Microsoft\.NETFramework"
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self.set_macro("FrameworkDir", net, "installroot")
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try:
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if version > 7.0:
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self.set_macro("FrameworkSDKDir", net, "sdkinstallrootv1.1")
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else:
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self.set_macro("FrameworkSDKDir", net, "sdkinstallroot")
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except KeyError, exc: #
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raise DistutilsPlatformError, \
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("The .NET Framework SDK needs to be installed before "
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"building extensions for Python.")
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p = r"Software\Microsoft\NET Framework Setup\Product"
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for base in HKEYS:
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try:
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h = RegOpenKeyEx(base, p)
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except RegError:
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continue
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key = RegEnumKey(h, 0)
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d = read_values(base, r"%s\%s" % (p, key))
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self.macros["$(FrameworkVersion)"] = d["version"]
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def sub(self, s):
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for k, v in self.macros.items():
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s = string.replace(s, k, v)
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return s
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def get_build_version():
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"""Return the version of MSVC that was used to build Python.
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For Python 2.3 and up, the version number is included in
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sys.version. For earlier versions, assume the compiler is MSVC 6.
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"""
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prefix = "MSC v."
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i = string.find(sys.version, prefix)
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if i == -1:
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return 6
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i = i + len(prefix)
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s, rest = sys.version[i:].split(" ", 1)
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majorVersion = int(s[:-2]) - 6
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minorVersion = int(s[2:3]) / 10.0
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# I don't think paths are affected by minor version in version 6
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if majorVersion == 6:
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minorVersion = 0
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if majorVersion >= 6:
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return majorVersion + minorVersion
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# else we don't know what version of the compiler this is
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return None
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class MSVCCompiler (CCompiler) :
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"""Concrete class that implements an interface to Microsoft Visual C++,
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as defined by the CCompiler abstract class."""
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compiler_type = 'msvc'
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# Just set this so CCompiler's constructor doesn't barf. We currently
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# don't use the 'set_executables()' bureaucracy provided by CCompiler,
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# as it really isn't necessary for this sort of single-compiler class.
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# Would be nice to have a consistent interface with UnixCCompiler,
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# though, so it's worth thinking about.
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executables = {}
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# Private class data (need to distinguish C from C++ source for compiler)
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_c_extensions = ['.c']
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_cpp_extensions = ['.cc', '.cpp', '.cxx']
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_rc_extensions = ['.rc']
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_mc_extensions = ['.mc']
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# Needed for the filename generation methods provided by the
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# base class, CCompiler.
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src_extensions = (_c_extensions + _cpp_extensions +
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_rc_extensions + _mc_extensions)
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res_extension = '.res'
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obj_extension = '.obj'
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static_lib_extension = '.lib'
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shared_lib_extension = '.dll'
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static_lib_format = shared_lib_format = '%s%s'
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exe_extension = '.exe'
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def __init__ (self, verbose=0, dry_run=0, force=0):
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CCompiler.__init__ (self, verbose, dry_run, force)
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self.__version = get_build_version()
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if self.__version >= 7:
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self.__root = r"Software\Microsoft\VisualStudio"
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self.__macros = MacroExpander(self.__version)
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else:
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self.__root = r"Software\Microsoft\Devstudio"
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self.initialized = False
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def initialize(self):
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self.__paths = self.get_msvc_paths("path")
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if len (self.__paths) == 0:
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raise DistutilsPlatformError, \
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("Python was built with version %s of Visual Studio, "
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"and extensions need to be built with the same "
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"version of the compiler, but it isn't installed." % self.__version)
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self.cc = self.find_exe("cl.exe")
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self.linker = self.find_exe("link.exe")
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self.lib = self.find_exe("lib.exe")
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self.rc = self.find_exe("rc.exe") # resource compiler
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self.mc = self.find_exe("mc.exe") # message compiler
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self.set_path_env_var('lib')
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self.set_path_env_var('include')
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# extend the MSVC path with the current path
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try:
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for p in string.split(os.environ['path'], ';'):
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self.__paths.append(p)
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except KeyError:
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pass
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os.environ['path'] = string.join(self.__paths, ';')
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self.preprocess_options = None
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self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3', '/GX' ,
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'/DNDEBUG']
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self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GX',
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'/Z7', '/D_DEBUG']
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self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
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if self.__version >= 7:
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self.ldflags_shared_debug = [
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'/DLL', '/nologo', '/INCREMENTAL:no', '/DEBUG'
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]
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else:
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self.ldflags_shared_debug = [
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'/DLL', '/nologo', '/INCREMENTAL:no', '/pdb:None', '/DEBUG'
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]
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self.ldflags_static = [ '/nologo']
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self.initialized = True
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# -- Worker methods ------------------------------------------------
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def object_filenames (self,
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source_filenames,
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strip_dir=0,
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output_dir=''):
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# Copied from ccompiler.py, extended to return .res as 'object'-file
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# for .rc input file
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if output_dir is None: output_dir = ''
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obj_names = []
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for src_name in source_filenames:
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(base, ext) = os.path.splitext (src_name)
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if ext not in self.src_extensions:
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# Better to raise an exception instead of silently continuing
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# and later complain about sources and targets having
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# different lengths
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raise CompileError ("Don't know how to compile %s" % src_name)
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if strip_dir:
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base = os.path.basename (base)
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if ext in self._rc_extensions:
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obj_names.append (os.path.join (output_dir,
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base + self.res_extension))
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elif ext in self._mc_extensions:
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obj_names.append (os.path.join (output_dir,
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base + self.res_extension))
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else:
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obj_names.append (os.path.join (output_dir,
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base + self.obj_extension))
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return obj_names
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# object_filenames ()
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def compile(self, sources,
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output_dir=None, macros=None, include_dirs=None, debug=0,
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extra_preargs=None, extra_postargs=None, depends=None):
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if not self.initialized: self.initialize()
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macros, objects, extra_postargs, pp_opts, build = \
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self._setup_compile(output_dir, macros, include_dirs, sources,
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depends, extra_postargs)
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compile_opts = extra_preargs or []
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compile_opts.append ('/c')
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if debug:
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compile_opts.extend(self.compile_options_debug)
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else:
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compile_opts.extend(self.compile_options)
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for obj in objects:
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try:
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src, ext = build[obj]
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except KeyError:
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continue
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if debug:
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# pass the full pathname to MSVC in debug mode,
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# this allows the debugger to find the source file
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# without asking the user to browse for it
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src = os.path.abspath(src)
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if ext in self._c_extensions:
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input_opt = "/Tc" + src
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elif ext in self._cpp_extensions:
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input_opt = "/Tp" + src
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elif ext in self._rc_extensions:
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# compile .RC to .RES file
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input_opt = src
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output_opt = "/fo" + obj
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try:
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self.spawn ([self.rc] + pp_opts +
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[output_opt] + [input_opt])
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except DistutilsExecError, msg:
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raise CompileError, msg
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continue
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elif ext in self._mc_extensions:
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# Compile .MC to .RC file to .RES file.
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# * '-h dir' specifies the directory for the
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# generated include file
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# * '-r dir' specifies the target directory of the
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# generated RC file and the binary message resource
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# it includes
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#
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# For now (since there are no options to change this),
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# we use the source-directory for the include file and
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# the build directory for the RC file and message
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# resources. This works at least for win32all.
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h_dir = os.path.dirname (src)
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rc_dir = os.path.dirname (obj)
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try:
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# first compile .MC to .RC and .H file
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self.spawn ([self.mc] +
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['-h', h_dir, '-r', rc_dir] + [src])
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base, _ = os.path.splitext (os.path.basename (src))
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rc_file = os.path.join (rc_dir, base + '.rc')
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# then compile .RC to .RES file
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self.spawn ([self.rc] +
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["/fo" + obj] + [rc_file])
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except DistutilsExecError, msg:
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raise CompileError, msg
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continue
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else:
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# how to handle this file?
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raise CompileError (
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"Don't know how to compile %s to %s" % \
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(src, obj))
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output_opt = "/Fo" + obj
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try:
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self.spawn ([self.cc] + compile_opts + pp_opts +
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[input_opt, output_opt] +
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extra_postargs)
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except DistutilsExecError, msg:
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raise CompileError, msg
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return objects
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# compile ()
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def create_static_lib (self,
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objects,
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output_libname,
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output_dir=None,
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debug=0,
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target_lang=None):
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if not self.initialized: self.initialize()
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(objects, output_dir) = self._fix_object_args (objects, output_dir)
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output_filename = \
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self.library_filename (output_libname, output_dir=output_dir)
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if self._need_link (objects, output_filename):
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lib_args = objects + ['/OUT:' + output_filename]
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if debug:
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pass # XXX what goes here?
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try:
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self.spawn ([self.lib] + lib_args)
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except DistutilsExecError, msg:
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raise LibError, msg
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else:
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log.debug("skipping %s (up-to-date)", output_filename)
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# create_static_lib ()
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def link (self,
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target_desc,
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objects,
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output_filename,
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output_dir=None,
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libraries=None,
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library_dirs=None,
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runtime_library_dirs=None,
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export_symbols=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None,
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build_temp=None,
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target_lang=None):
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if not self.initialized: self.initialize()
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(objects, output_dir) = self._fix_object_args (objects, output_dir)
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(libraries, library_dirs, runtime_library_dirs) = \
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self._fix_lib_args (libraries, library_dirs, runtime_library_dirs)
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if runtime_library_dirs:
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self.warn ("I don't know what to do with 'runtime_library_dirs': "
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+ str (runtime_library_dirs))
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lib_opts = gen_lib_options (self,
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library_dirs, runtime_library_dirs,
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libraries)
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if output_dir is not None:
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output_filename = os.path.join (output_dir, output_filename)
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if self._need_link (objects, output_filename):
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if target_desc == CCompiler.EXECUTABLE:
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if debug:
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ldflags = self.ldflags_shared_debug[1:]
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else:
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ldflags = self.ldflags_shared[1:]
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else:
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if debug:
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ldflags = self.ldflags_shared_debug
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else:
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ldflags = self.ldflags_shared
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export_opts = []
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for sym in (export_symbols or []):
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export_opts.append("/EXPORT:" + sym)
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ld_args = (ldflags + lib_opts + export_opts +
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objects + ['/OUT:' + output_filename])
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# The MSVC linker generates .lib and .exp files, which cannot be
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# suppressed by any linker switches. The .lib files may even be
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# needed! Make sure they are generated in the temporary build
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# directory. Since they have different names for debug and release
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# builds, they can go into the same directory.
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if export_symbols is not None:
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(dll_name, dll_ext) = os.path.splitext(
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os.path.basename(output_filename))
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implib_file = os.path.join(
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os.path.dirname(objects[0]),
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self.library_filename(dll_name))
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ld_args.append ('/IMPLIB:' + implib_file)
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if extra_preargs:
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ld_args[:0] = extra_preargs
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if extra_postargs:
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ld_args.extend(extra_postargs)
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self.mkpath (os.path.dirname (output_filename))
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try:
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self.spawn ([self.linker] + ld_args)
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except DistutilsExecError, msg:
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raise LinkError, msg
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else:
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log.debug("skipping %s (up-to-date)", output_filename)
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# link ()
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# -- Miscellaneous methods -----------------------------------------
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# These are all used by the 'gen_lib_options() function, in
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# ccompiler.py.
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def library_dir_option (self, dir):
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return "/LIBPATH:" + dir
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def runtime_library_dir_option (self, dir):
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raise DistutilsPlatformError, \
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"don't know how to set runtime library search path for MSVC++"
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def library_option (self, lib):
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return self.library_filename (lib)
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def find_library_file (self, dirs, lib, debug=0):
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# Prefer a debugging library if found (and requested), but deal
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# with it if we don't have one.
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if debug:
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try_names = [lib + "_d", lib]
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else:
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try_names = [lib]
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for dir in dirs:
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for name in try_names:
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libfile = os.path.join(dir, self.library_filename (name))
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if os.path.exists(libfile):
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return libfile
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else:
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# Oops, didn't find it in *any* of 'dirs'
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return None
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# find_library_file ()
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# Helper methods for using the MSVC registry settings
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def find_exe(self, exe):
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"""Return path to an MSVC executable program.
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Tries to find the program in several places: first, one of the
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MSVC program search paths from the registry; next, the directories
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in the PATH environment variable. If any of those work, return an
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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 string.split(os.environ['Path'],';'):
|
|
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 string.split(self.__macros.sub(d[path]), ";")
|
|
else:
|
|
return string.split(d[path], ";")
|
|
# 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] = string.join(p, ';')
|