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789 lines
30 KiB
Python
789 lines
30 KiB
Python
2 years ago
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"""distutils.msvc9compiler
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Contains MSVCCompiler, an implementation of the abstract CCompiler class
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for the Microsoft Visual Studio 2008.
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The module is compatible with VS 2005 and VS 2008. You can find legacy support
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for older versions of VS in distutils.msvccompiler.
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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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# ported to VS2005 and VS 2008 by Christian Heimes
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import os
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import subprocess
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import sys
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import re
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from distutils.errors import DistutilsExecError, DistutilsPlatformError, \
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CompileError, LibError, LinkError
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from distutils.ccompiler import CCompiler, gen_lib_options
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from distutils import log
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from distutils.util import get_platform
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import 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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HKEYS = (winreg.HKEY_USERS,
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winreg.HKEY_CURRENT_USER,
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winreg.HKEY_LOCAL_MACHINE,
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winreg.HKEY_CLASSES_ROOT)
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NATIVE_WIN64 = (sys.platform == 'win32' and sys.maxsize > 2**32)
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if NATIVE_WIN64:
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# Visual C++ is a 32-bit application, so we need to look in
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# the corresponding registry branch, if we're running a
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# 64-bit Python on Win64
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VS_BASE = r"Software\Wow6432Node\Microsoft\VisualStudio\%0.1f"
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WINSDK_BASE = r"Software\Wow6432Node\Microsoft\Microsoft SDKs\Windows"
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NET_BASE = r"Software\Wow6432Node\Microsoft\.NETFramework"
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else:
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VS_BASE = r"Software\Microsoft\VisualStudio\%0.1f"
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WINSDK_BASE = r"Software\Microsoft\Microsoft SDKs\Windows"
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NET_BASE = r"Software\Microsoft\.NETFramework"
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# A map keyed by get_platform() return values to values accepted by
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# 'vcvarsall.bat'. Note a cross-compile may combine these (eg, 'x86_amd64' is
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# the param to cross-compile on x86 targeting amd64.)
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PLAT_TO_VCVARS = {
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'win32' : 'x86',
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'win-amd64' : 'amd64',
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}
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class Reg:
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"""Helper class to read values from the registry
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"""
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def get_value(cls, path, key):
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for base in HKEYS:
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d = cls.read_values(base, path)
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if d and key in d:
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return d[key]
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raise KeyError(key)
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get_value = classmethod(get_value)
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def read_keys(cls, 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 True:
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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 += 1
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return L
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read_keys = classmethod(read_keys)
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def read_values(cls, 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 True:
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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[cls.convert_mbcs(name)] = cls.convert_mbcs(value)
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i += 1
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return d
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read_values = classmethod(read_values)
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def convert_mbcs(s):
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dec = getattr(s, "decode", None)
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if dec is not None:
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try:
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s = dec("mbcs")
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except UnicodeError:
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pass
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return s
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convert_mbcs = staticmethod(convert_mbcs)
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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.vsbase = VS_BASE % version
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self.load_macros(version)
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def set_macro(self, macro, path, key):
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self.macros["$(%s)" % macro] = Reg.get_value(path, key)
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def load_macros(self, version):
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self.set_macro("VCInstallDir", self.vsbase + r"\Setup\VC", "productdir")
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self.set_macro("VSInstallDir", self.vsbase + r"\Setup\VS", "productdir")
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self.set_macro("FrameworkDir", NET_BASE, "installroot")
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try:
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if version >= 8.0:
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self.set_macro("FrameworkSDKDir", NET_BASE,
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"sdkinstallrootv2.0")
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else:
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raise KeyError("sdkinstallrootv2.0")
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except KeyError:
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raise DistutilsPlatformError(
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"""Python was built with Visual Studio 2008;
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extensions must be built with a compiler than can generate compatible binaries.
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Visual Studio 2008 was not found on this system. If you have Cygwin installed,
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you can try compiling with MingW32, by passing "-c mingw32" to setup.py.""")
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if version >= 9.0:
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self.set_macro("FrameworkVersion", self.vsbase, "clr version")
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self.set_macro("WindowsSdkDir", WINSDK_BASE, "currentinstallfolder")
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else:
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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 = Reg.get_value(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 = s.replace(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 = sys.version.find(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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if majorVersion >= 13:
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# v13 was skipped and should be v14
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majorVersion += 1
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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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def normalize_and_reduce_paths(paths):
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"""Return a list of normalized paths with duplicates removed.
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The current order of paths is maintained.
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"""
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# Paths are normalized so things like: /a and /a/ aren't both preserved.
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reduced_paths = []
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for p in paths:
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np = os.path.normpath(p)
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# XXX(nnorwitz): O(n**2), if reduced_paths gets long perhaps use a set.
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if np not in reduced_paths:
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reduced_paths.append(np)
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return reduced_paths
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def removeDuplicates(variable):
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"""Remove duplicate values of an environment variable.
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"""
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oldList = variable.split(os.pathsep)
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newList = []
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for i in oldList:
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if i not in newList:
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newList.append(i)
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newVariable = os.pathsep.join(newList)
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return newVariable
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def find_vcvarsall(version):
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"""Find the vcvarsall.bat file
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At first it tries to find the productdir of VS 2008 in the registry. If
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that fails it falls back to the VS90COMNTOOLS env var.
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"""
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vsbase = VS_BASE % version
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try:
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productdir = Reg.get_value(r"%s\Setup\VC" % vsbase,
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"productdir")
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except KeyError:
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log.debug("Unable to find productdir in registry")
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productdir = None
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||
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if not productdir or not os.path.isdir(productdir):
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||
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toolskey = "VS%0.f0COMNTOOLS" % version
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||
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toolsdir = os.environ.get(toolskey, None)
|
||
|
|
|
||
|
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if toolsdir and os.path.isdir(toolsdir):
|
||
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productdir = os.path.join(toolsdir, os.pardir, os.pardir, "VC")
|
||
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productdir = os.path.abspath(productdir)
|
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|
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if not os.path.isdir(productdir):
|
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log.debug("%s is not a valid directory" % productdir)
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return None
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else:
|
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log.debug("Env var %s is not set or invalid" % toolskey)
|
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|
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if not productdir:
|
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log.debug("No productdir found")
|
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return None
|
||
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vcvarsall = os.path.join(productdir, "vcvarsall.bat")
|
||
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if os.path.isfile(vcvarsall):
|
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return vcvarsall
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log.debug("Unable to find vcvarsall.bat")
|
||
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return None
|
||
|
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|
||
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def query_vcvarsall(version, arch="x86"):
|
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|
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"""Launch vcvarsall.bat and read the settings from its environment
|
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"""
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vcvarsall = find_vcvarsall(version)
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interesting = {"include", "lib", "libpath", "path"}
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result = {}
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||
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||
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if vcvarsall is None:
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raise DistutilsPlatformError("Unable to find vcvarsall.bat")
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log.debug("Calling 'vcvarsall.bat %s' (version=%s)", arch, version)
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popen = subprocess.Popen('"%s" %s & set' % (vcvarsall, arch),
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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||
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try:
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stdout, stderr = popen.communicate()
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|
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if popen.wait() != 0:
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raise DistutilsPlatformError(stderr.decode("mbcs"))
|
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stdout = stdout.decode("mbcs")
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||
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for line in stdout.split("\n"):
|
||
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line = Reg.convert_mbcs(line)
|
||
|
|
if '=' not in line:
|
||
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continue
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||
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line = line.strip()
|
||
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key, value = line.split('=', 1)
|
||
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key = key.lower()
|
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|
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if key in interesting:
|
||
|
|
if value.endswith(os.pathsep):
|
||
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value = value[:-1]
|
||
|
|
result[key] = removeDuplicates(value)
|
||
|
|
|
||
|
|
finally:
|
||
|
|
popen.stdout.close()
|
||
|
|
popen.stderr.close()
|
||
|
|
|
||
|
|
if len(result) != len(interesting):
|
||
|
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raise ValueError(str(list(result.keys())))
|
||
|
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|
||
|
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return result
|
||
|
|
|
||
|
|
# More globals
|
||
|
|
VERSION = get_build_version()
|
||
|
|
if VERSION < 8.0:
|
||
|
|
raise DistutilsPlatformError("VC %0.1f is not supported by this module" % VERSION)
|
||
|
|
# MACROS = MacroExpander(VERSION)
|
||
|
|
|
||
|
|
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)
|
||
|
|
self.__version = VERSION
|
||
|
|
self.__root = r"Software\Microsoft\VisualStudio"
|
||
|
|
# self.__macros = MACROS
|
||
|
|
self.__paths = []
|
||
|
|
# target platform (.plat_name is consistent with 'bdist')
|
||
|
|
self.plat_name = None
|
||
|
|
self.__arch = None # deprecated name
|
||
|
|
self.initialized = False
|
||
|
|
|
||
|
|
def initialize(self, plat_name=None):
|
||
|
|
# multi-init means we would need to check platform same each time...
|
||
|
|
assert not self.initialized, "don't init multiple times"
|
||
|
|
if plat_name is None:
|
||
|
|
plat_name = get_platform()
|
||
|
|
# sanity check for platforms to prevent obscure errors later.
|
||
|
|
ok_plats = 'win32', 'win-amd64'
|
||
|
|
if plat_name not in ok_plats:
|
||
|
|
raise DistutilsPlatformError("--plat-name must be one of %s" %
|
||
|
|
(ok_plats,))
|
||
|
|
|
||
|
|
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:
|
||
|
|
# On x86, 'vcvars32.bat amd64' creates an env that doesn't work;
|
||
|
|
# to cross compile, you use 'x86_amd64'.
|
||
|
|
# On AMD64, 'vcvars32.bat amd64' is a native build env; to cross
|
||
|
|
# compile use 'x86' (ie, it runs the x86 compiler directly)
|
||
|
|
if plat_name == get_platform() or plat_name == 'win32':
|
||
|
|
# native build or cross-compile to win32
|
||
|
|
plat_spec = PLAT_TO_VCVARS[plat_name]
|
||
|
|
else:
|
||
|
|
# cross compile from win32 -> some 64bit
|
||
|
|
plat_spec = PLAT_TO_VCVARS[get_platform()] + '_' + \
|
||
|
|
PLAT_TO_VCVARS[plat_name]
|
||
|
|
|
||
|
|
vc_env = query_vcvarsall(VERSION, plat_spec)
|
||
|
|
|
||
|
|
self.__paths = vc_env['path'].split(os.pathsep)
|
||
|
|
os.environ['lib'] = vc_env['lib']
|
||
|
|
os.environ['include'] = vc_env['include']
|
||
|
|
|
||
|
|
if len(self.__paths) == 0:
|
||
|
|
raise DistutilsPlatformError("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 == "x86":
|
||
|
|
self.compile_options = [ '/nologo', '/O2', '/MD', '/W3',
|
||
|
|
'/DNDEBUG']
|
||
|
|
self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3',
|
||
|
|
'/Z7', '/D_DEBUG']
|
||
|
|
else:
|
||
|
|
# Win64
|
||
|
|
self.compile_options = [ '/nologo', '/O2', '/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'
|
||
|
|
]
|
||
|
|
self.ldflags_static = [ '/nologo']
|
||
|
|
|
||
|
|
self.initialized = True
|
||
|
|
|
||
|
|
# -- 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)
|
||
|
|
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=0,
|
||
|
|
extra_preargs=None, extra_postargs=None, depends=None):
|
||
|
|
|
||
|
|
if not self.initialized:
|
||
|
|
self.initialize()
|
||
|
|
compile_info = self._setup_compile(output_dir, macros, include_dirs,
|
||
|
|
sources, depends, extra_postargs)
|
||
|
|
macros, objects, extra_postargs, pp_opts, build = compile_info
|
||
|
|
|
||
|
|
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 DistutilsExecError 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 DistutilsExecError 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 DistutilsExecError as msg:
|
||
|
|
raise CompileError(msg)
|
||
|
|
|
||
|
|
return objects
|
||
|
|
|
||
|
|
|
||
|
|
def create_static_lib(self,
|
||
|
|
objects,
|
||
|
|
output_libname,
|
||
|
|
output_dir=None,
|
||
|
|
debug=0,
|
||
|
|
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 DistutilsExecError as msg:
|
||
|
|
raise LibError(msg)
|
||
|
|
else:
|
||
|
|
log.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=0,
|
||
|
|
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)
|
||
|
|
fixed_args = self._fix_lib_args(libraries, library_dirs,
|
||
|
|
runtime_library_dirs)
|
||
|
|
(libraries, library_dirs, runtime_library_dirs) = fixed_args
|
||
|
|
|
||
|
|
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.
|
||
|
|
build_temp = os.path.dirname(objects[0])
|
||
|
|
if export_symbols is not None:
|
||
|
|
(dll_name, dll_ext) = os.path.splitext(
|
||
|
|
os.path.basename(output_filename))
|
||
|
|
implib_file = os.path.join(
|
||
|
|
build_temp,
|
||
|
|
self.library_filename(dll_name))
|
||
|
|
ld_args.append ('/IMPLIB:' + implib_file)
|
||
|
|
|
||
|
|
self.manifest_setup_ldargs(output_filename, build_temp, ld_args)
|
||
|
|
|
||
|
|
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 as msg:
|
||
|
|
raise LinkError(msg)
|
||
|
|
|
||
|
|
# embed the manifest
|
||
|
|
# XXX - this is somewhat fragile - if mt.exe fails, distutils
|
||
|
|
# will still consider the DLL up-to-date, but it will not have a
|
||
|
|
# manifest. Maybe we should link to a temp file? OTOH, that
|
||
|
|
# implies a build environment error that shouldn't go undetected.
|
||
|
|
mfinfo = self.manifest_get_embed_info(target_desc, ld_args)
|
||
|
|
if mfinfo is not None:
|
||
|
|
mffilename, mfid = mfinfo
|
||
|
|
out_arg = '-outputresource:%s;%s' % (output_filename, mfid)
|
||
|
|
try:
|
||
|
|
self.spawn(['mt.exe', '-nologo', '-manifest',
|
||
|
|
mffilename, out_arg])
|
||
|
|
except DistutilsExecError as msg:
|
||
|
|
raise LinkError(msg)
|
||
|
|
else:
|
||
|
|
log.debug("skipping %s (up-to-date)", output_filename)
|
||
|
|
|
||
|
|
def manifest_setup_ldargs(self, output_filename, build_temp, ld_args):
|
||
|
|
# If we need a manifest at all, an embedded manifest is recommended.
|
||
|
|
# See MSDN article titled
|
||
|
|
# "How to: Embed a Manifest Inside a C/C++ Application"
|
||
|
|
# (currently at http://msdn2.microsoft.com/en-us/library/ms235591(VS.80).aspx)
|
||
|
|
# Ask the linker to generate the manifest in the temp dir, so
|
||
|
|
# we can check it, and possibly embed it, later.
|
||
|
|
temp_manifest = os.path.join(
|
||
|
|
build_temp,
|
||
|
|
os.path.basename(output_filename) + ".manifest")
|
||
|
|
ld_args.append('/MANIFESTFILE:' + temp_manifest)
|
||
|
|
|
||
|
|
def manifest_get_embed_info(self, target_desc, ld_args):
|
||
|
|
# If a manifest should be embedded, return a tuple of
|
||
|
|
# (manifest_filename, resource_id). Returns None if no manifest
|
||
|
|
# should be embedded. See http://bugs.python.org/issue7833 for why
|
||
|
|
# we want to avoid any manifest for extension modules if we can)
|
||
|
|
for arg in ld_args:
|
||
|
|
if arg.startswith("/MANIFESTFILE:"):
|
||
|
|
temp_manifest = arg.split(":", 1)[1]
|
||
|
|
break
|
||
|
|
else:
|
||
|
|
# no /MANIFESTFILE so nothing to do.
|
||
|
|
return None
|
||
|
|
if target_desc == CCompiler.EXECUTABLE:
|
||
|
|
# by default, executables always get the manifest with the
|
||
|
|
# CRT referenced.
|
||
|
|
mfid = 1
|
||
|
|
else:
|
||
|
|
# Extension modules try and avoid any manifest if possible.
|
||
|
|
mfid = 2
|
||
|
|
temp_manifest = self._remove_visual_c_ref(temp_manifest)
|
||
|
|
if temp_manifest is None:
|
||
|
|
return None
|
||
|
|
return temp_manifest, mfid
|
||
|
|
|
||
|
|
def _remove_visual_c_ref(self, manifest_file):
|
||
|
|
try:
|
||
|
|
# Remove references to the Visual C runtime, so they will
|
||
|
|
# fall through to the Visual C dependency of Python.exe.
|
||
|
|
# This way, when installed for a restricted user (e.g.
|
||
|
|
# runtimes are not in WinSxS folder, but in Python's own
|
||
|
|
# folder), the runtimes do not need to be in every folder
|
||
|
|
# with .pyd's.
|
||
|
|
# Returns either the filename of the modified manifest or
|
||
|
|
# None if no manifest should be embedded.
|
||
|
|
manifest_f = open(manifest_file)
|
||
|
|
try:
|
||
|
|
manifest_buf = manifest_f.read()
|
||
|
|
finally:
|
||
|
|
manifest_f.close()
|
||
|
|
pattern = re.compile(
|
||
|
|
r"""<assemblyIdentity.*?name=("|')Microsoft\."""\
|
||
|
|
r"""VC\d{2}\.CRT("|').*?(/>|</assemblyIdentity>)""",
|
||
|
|
re.DOTALL)
|
||
|
|
manifest_buf = re.sub(pattern, "", manifest_buf)
|
||
|
|
pattern = r"<dependentAssembly>\s*</dependentAssembly>"
|
||
|
|
manifest_buf = re.sub(pattern, "", manifest_buf)
|
||
|
|
# Now see if any other assemblies are referenced - if not, we
|
||
|
|
# don't want a manifest embedded.
|
||
|
|
pattern = re.compile(
|
||
|
|
r"""<assemblyIdentity.*?name=(?:"|')(.+?)(?:"|')"""
|
||
|
|
r""".*?(?:/>|</assemblyIdentity>)""", re.DOTALL)
|
||
|
|
if re.search(pattern, manifest_buf) is None:
|
||
|
|
return None
|
||
|
|
|
||
|
|
manifest_f = open(manifest_file, 'w')
|
||
|
|
try:
|
||
|
|
manifest_f.write(manifest_buf)
|
||
|
|
return manifest_file
|
||
|
|
finally:
|
||
|
|
manifest_f.close()
|
||
|
|
except OSError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
# -- 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
|
||
|
|
|
||
|
|
# 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
|