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829 lines
30 KiB
829 lines
30 KiB
"""distutils.msvc9compiler |
|
|
|
Contains MSVCCompiler, an implementation of the abstract CCompiler class |
|
for the Microsoft Visual Studio 2008. |
|
|
|
The module is compatible with VS 2005 and VS 2008. You can find legacy support |
|
for older versions of VS in distutils.msvccompiler. |
|
""" |
|
|
|
# Written by Perry Stoll |
|
# hacked by Robin Becker and Thomas Heller to do a better job of |
|
# finding DevStudio (through the registry) |
|
# ported to VS2005 and VS 2008 by Christian Heimes |
|
|
|
import os |
|
import subprocess |
|
import sys |
|
import re |
|
import warnings |
|
|
|
from .errors import ( |
|
DistutilsExecError, |
|
DistutilsPlatformError, |
|
CompileError, |
|
LibError, |
|
LinkError, |
|
) |
|
from .ccompiler import CCompiler, gen_lib_options |
|
from ._log import log |
|
from .util import get_platform |
|
|
|
import winreg |
|
|
|
warnings.warn( |
|
"msvc9compiler is deprecated and slated to be removed " |
|
"in the future. Please discontinue use or file an issue " |
|
"with pypa/distutils describing your use case.", |
|
DeprecationWarning, |
|
) |
|
|
|
RegOpenKeyEx = winreg.OpenKeyEx |
|
RegEnumKey = winreg.EnumKey |
|
RegEnumValue = winreg.EnumValue |
|
RegError = winreg.error |
|
|
|
HKEYS = ( |
|
winreg.HKEY_USERS, |
|
winreg.HKEY_CURRENT_USER, |
|
winreg.HKEY_LOCAL_MACHINE, |
|
winreg.HKEY_CLASSES_ROOT, |
|
) |
|
|
|
NATIVE_WIN64 = sys.platform == 'win32' and sys.maxsize > 2**32 |
|
if NATIVE_WIN64: |
|
# Visual C++ is a 32-bit application, so we need to look in |
|
# the corresponding registry branch, if we're running a |
|
# 64-bit Python on Win64 |
|
VS_BASE = r"Software\Wow6432Node\Microsoft\VisualStudio\%0.1f" |
|
WINSDK_BASE = r"Software\Wow6432Node\Microsoft\Microsoft SDKs\Windows" |
|
NET_BASE = r"Software\Wow6432Node\Microsoft\.NETFramework" |
|
else: |
|
VS_BASE = r"Software\Microsoft\VisualStudio\%0.1f" |
|
WINSDK_BASE = r"Software\Microsoft\Microsoft SDKs\Windows" |
|
NET_BASE = r"Software\Microsoft\.NETFramework" |
|
|
|
# A map keyed by get_platform() return values to values accepted by |
|
# 'vcvarsall.bat'. Note a cross-compile may combine these (eg, 'x86_amd64' is |
|
# the param to cross-compile on x86 targeting amd64.) |
|
PLAT_TO_VCVARS = { |
|
'win32': 'x86', |
|
'win-amd64': 'amd64', |
|
} |
|
|
|
|
|
class Reg: |
|
"""Helper class to read values from the registry""" |
|
|
|
def get_value(cls, path, key): |
|
for base in HKEYS: |
|
d = cls.read_values(base, path) |
|
if d and key in d: |
|
return d[key] |
|
raise KeyError(key) |
|
|
|
get_value = classmethod(get_value) |
|
|
|
def read_keys(cls, 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 += 1 |
|
return L |
|
|
|
read_keys = classmethod(read_keys) |
|
|
|
def read_values(cls, 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[cls.convert_mbcs(name)] = cls.convert_mbcs(value) |
|
i += 1 |
|
return d |
|
|
|
read_values = classmethod(read_values) |
|
|
|
def convert_mbcs(s): |
|
dec = getattr(s, "decode", None) |
|
if dec is not None: |
|
try: |
|
s = dec("mbcs") |
|
except UnicodeError: |
|
pass |
|
return s |
|
|
|
convert_mbcs = staticmethod(convert_mbcs) |
|
|
|
|
|
class MacroExpander: |
|
def __init__(self, version): |
|
self.macros = {} |
|
self.vsbase = VS_BASE % version |
|
self.load_macros(version) |
|
|
|
def set_macro(self, macro, path, key): |
|
self.macros["$(%s)" % macro] = Reg.get_value(path, key) |
|
|
|
def load_macros(self, version): |
|
self.set_macro("VCInstallDir", self.vsbase + r"\Setup\VC", "productdir") |
|
self.set_macro("VSInstallDir", self.vsbase + r"\Setup\VS", "productdir") |
|
self.set_macro("FrameworkDir", NET_BASE, "installroot") |
|
try: |
|
if version >= 8.0: |
|
self.set_macro("FrameworkSDKDir", NET_BASE, "sdkinstallrootv2.0") |
|
else: |
|
raise KeyError("sdkinstallrootv2.0") |
|
except KeyError: |
|
raise DistutilsPlatformError( |
|
"""Python was built with Visual Studio 2008; |
|
extensions must be built with a compiler than can generate compatible binaries. |
|
Visual Studio 2008 was not found on this system. If you have Cygwin installed, |
|
you can try compiling with MingW32, by passing "-c mingw32" to setup.py.""" |
|
) |
|
|
|
if version >= 9.0: |
|
self.set_macro("FrameworkVersion", self.vsbase, "clr version") |
|
self.set_macro("WindowsSdkDir", WINSDK_BASE, "currentinstallfolder") |
|
else: |
|
p = r"Software\Microsoft\NET Framework Setup\Product" |
|
for base in HKEYS: |
|
try: |
|
h = RegOpenKeyEx(base, p) |
|
except RegError: |
|
continue |
|
key = RegEnumKey(h, 0) |
|
d = Reg.get_value(base, r"{}\{}".format(p, key)) |
|
self.macros["$(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 |
|
if majorVersion >= 13: |
|
# v13 was skipped and should be v14 |
|
majorVersion += 1 |
|
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 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 |
|
|
|
|
|
def removeDuplicates(variable): |
|
"""Remove duplicate values of an environment variable.""" |
|
oldList = variable.split(os.pathsep) |
|
newList = [] |
|
for i in oldList: |
|
if i not in newList: |
|
newList.append(i) |
|
newVariable = os.pathsep.join(newList) |
|
return newVariable |
|
|
|
|
|
def find_vcvarsall(version): |
|
"""Find the vcvarsall.bat file |
|
|
|
At first it tries to find the productdir of VS 2008 in the registry. If |
|
that fails it falls back to the VS90COMNTOOLS env var. |
|
""" |
|
vsbase = VS_BASE % version |
|
try: |
|
productdir = Reg.get_value(r"%s\Setup\VC" % vsbase, "productdir") |
|
except KeyError: |
|
log.debug("Unable to find productdir in registry") |
|
productdir = None |
|
|
|
if not productdir or not os.path.isdir(productdir): |
|
toolskey = "VS%0.f0COMNTOOLS" % version |
|
toolsdir = os.environ.get(toolskey, None) |
|
|
|
if toolsdir and os.path.isdir(toolsdir): |
|
productdir = os.path.join(toolsdir, os.pardir, os.pardir, "VC") |
|
productdir = os.path.abspath(productdir) |
|
if not os.path.isdir(productdir): |
|
log.debug("%s is not a valid directory" % productdir) |
|
return None |
|
else: |
|
log.debug("Env var %s is not set or invalid" % toolskey) |
|
if not productdir: |
|
log.debug("No productdir found") |
|
return None |
|
vcvarsall = os.path.join(productdir, "vcvarsall.bat") |
|
if os.path.isfile(vcvarsall): |
|
return vcvarsall |
|
log.debug("Unable to find vcvarsall.bat") |
|
return None |
|
|
|
|
|
def query_vcvarsall(version, arch="x86"): |
|
"""Launch vcvarsall.bat and read the settings from its environment""" |
|
vcvarsall = find_vcvarsall(version) |
|
interesting = {"include", "lib", "libpath", "path"} |
|
result = {} |
|
|
|
if vcvarsall is None: |
|
raise DistutilsPlatformError("Unable to find vcvarsall.bat") |
|
log.debug("Calling 'vcvarsall.bat %s' (version=%s)", arch, version) |
|
popen = subprocess.Popen( |
|
'"{}" {} & set'.format(vcvarsall, arch), |
|
stdout=subprocess.PIPE, |
|
stderr=subprocess.PIPE, |
|
) |
|
try: |
|
stdout, stderr = popen.communicate() |
|
if popen.wait() != 0: |
|
raise DistutilsPlatformError(stderr.decode("mbcs")) |
|
|
|
stdout = stdout.decode("mbcs") |
|
for line in stdout.split("\n"): |
|
line = Reg.convert_mbcs(line) |
|
if '=' not in line: |
|
continue |
|
line = line.strip() |
|
key, value = line.split('=', 1) |
|
key = key.lower() |
|
if key in interesting: |
|
if value.endswith(os.pathsep): |
|
value = value[:-1] |
|
result[key] = removeDuplicates(value) |
|
|
|
finally: |
|
popen.stdout.close() |
|
popen.stderr.close() |
|
|
|
if len(result) != len(interesting): |
|
raise ValueError(str(list(result.keys()))) |
|
|
|
return result |
|
|
|
|
|
# More globals |
|
VERSION = get_build_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): |
|
super().__init__(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): # noqa: C901 |
|
# multi-init means we would need to check platform same each time... |
|
assert not self.initialized, "don't init multiple times" |
|
if self.__version < 8.0: |
|
raise DistutilsPlatformError( |
|
"VC %0.1f is not supported by this module" % self.__version |
|
) |
|
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 {}".format(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 in (get_platform(), '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( # noqa: C901 |
|
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 {} to {}".format(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( # noqa: C901 |
|
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:{};{}'.format(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
|
|
|