mirror of
https://github.com/python/cpython.git
synced 2024-12-01 03:01:36 +01:00
32c4a8a0ee
implement it (so far):
* moved filename generation methods into CCompiler base class,
driven by data supplied by implementation classes
* moved a bunch of common code from UnixCCompiler to convenience
methods in CCompiler
* overhauled MSVCCompiler's compile/link methods to look and act
as much as possible like UnixCCompiler's, in order to regularize
both interface and behaviour (especially by using those new
convenience methods)
379 lines
13 KiB
Python
379 lines
13 KiB
Python
"""distutils.ccompiler
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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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# created 1999/08/19, 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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__revision__ = "$Id$"
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import sys, os, string
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from types import *
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from distutils.errors import *
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from distutils.ccompiler import \
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CCompiler, gen_preprocess_options, gen_lib_options
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def get_devstudio_versions ():
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"""Get list of devstudio versions from the Windows registry. Return a
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list of strings containing version numbers; the list will be
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empty if we were unable to access the registry (eg. couldn't import
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a registry-access module) or the appropriate registry keys weren't
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found."""
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try:
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import win32api
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import win32con
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except ImportError:
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return []
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K = 'Software\\Microsoft\\Devstudio'
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L = []
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for base in (win32con.HKEY_CLASSES_ROOT,
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win32con.HKEY_LOCAL_MACHINE,
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win32con.HKEY_CURRENT_USER,
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win32con.HKEY_USERS):
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try:
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k = win32api.RegOpenKeyEx(base,K)
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i = 0
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while 1:
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try:
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p = win32api.RegEnumKey(k,i)
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if p[0] in '123456789' and p not in L:
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L.append(p)
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except win32api.error:
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break
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i = i + 1
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except win32api.error:
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pass
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L.sort()
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L.reverse()
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return L
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# get_devstudio_versions ()
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def get_msvc_paths (path, version='6.0', platform='x86'):
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"""Get a list of devstudio directories (include, lib or path). Return
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a list of strings; will be empty list if unable to access the
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registry or appropriate registry keys not found."""
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try:
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import win32api
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import win32con
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except ImportError:
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return []
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L = []
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if path=='lib':
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path= 'Library'
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path = string.upper(path + ' Dirs')
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K = ('Software\\Microsoft\\Devstudio\\%s\\' +
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'Build System\\Components\\Platforms\\Win32 (%s)\\Directories') % \
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(version,platform)
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for base in (win32con.HKEY_CLASSES_ROOT,
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win32con.HKEY_LOCAL_MACHINE,
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win32con.HKEY_CURRENT_USER,
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win32con.HKEY_USERS):
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try:
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k = win32api.RegOpenKeyEx(base,K)
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i = 0
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while 1:
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try:
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(p,v,t) = win32api.RegEnumValue(k,i)
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if string.upper(p) == path:
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V = string.split(v,';')
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for v in V:
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if v == '' or v in L: continue
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L.append(v)
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break
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i = i + 1
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except win32api.error:
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break
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except win32api.error:
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pass
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return L
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# get_msvc_paths()
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def find_exe (exe, version_number):
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"""Try to find an MSVC executable program 'exe' (from version
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'version_number' of MSVC) in several places: first, one of the MSVC
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program search paths from the registry; next, the directories in the
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PATH environment variable. If any of those work, return an absolute
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path that is known to exist. If none of them work, just return the
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original program name, 'exe'."""
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for p in get_msvc_paths ('path', version_number):
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fn = os.path.join (os.path.abspath(p), exe)
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if os.path.isfile(fn):
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return fn
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# didn't find it; try existing path
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for p in string.split (os.environ['Path'],';'):
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fn = os.path.join(os.path.abspath(p),exe)
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if os.path.isfile(fn):
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return fn
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return exe # last desperate hope
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def set_path_env_var (name, version_number):
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"""Set environment variable 'name' to an MSVC path type value obtained
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from 'get_msvc_paths()'. This is equivalent to a SET command prior
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to execution of spawned commands."""
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p = get_msvc_paths (name, version_number)
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if p:
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os.environ[name] = string.join (p,';')
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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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# 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']
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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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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,
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verbose=0,
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dry_run=0,
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force=0):
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CCompiler.__init__ (self, verbose, dry_run, force)
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self.add_library_dir( os.path.join( sys.exec_prefix, 'libs' ) )
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versions = get_devstudio_versions ()
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if versions:
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version = versions[0] # highest version
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self.cc = _find_exe("cl.exe", version)
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self.link = _find_exe("link.exe", version)
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set_path_env_var ('lib', version)
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set_path_env_var ('include', version)
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path=get_msvc_paths('path', version)
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try:
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for p in string.split(os.environ['path'],';'):
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path.append(p)
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except KeyError:
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pass
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os.environ['path'] = string.join(path,';')
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else:
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# devstudio not found in the registry
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self.cc = "cl.exe"
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self.link = "link.exe"
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self.preprocess_options = None
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self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3' ]
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self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/Z7', '/D_DEBUG']
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self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
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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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# -- Worker methods ------------------------------------------------
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def compile (self,
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sources,
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output_dir=None,
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macros=None,
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include_dirs=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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(output_dir, macros, include_dirs) = \
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self._fix_compile_args (output_dir, macros, include_dirs)
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(objects, skip_sources) = self._prep_compile (sources, output_dir)
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if extra_postargs is None:
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extra_postargs = []
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pp_opts = gen_preprocess_options (macros, include_dirs)
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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 i in range (len (sources)):
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src = sources[i] ; obj = objects[i]
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ext = (os.path.splitext (src))[1]
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if skip_sources[src]:
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self.announce ("skipping %s (%s up-to-date)" % (src, obj))
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else:
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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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output_opt = "/Fo" + obj
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self.mkpath (os.path.dirname (obj))
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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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return objects
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# compile ()
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# XXX the signature of this method is different from CCompiler and
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# UnixCCompiler -- but those extra parameters (libraries, library_dirs)
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# are actually used. So: are they really *needed*, or can they be
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# ditched? If needed, the CCompiler API will have to change...
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def link_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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libraries=None,
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library_dirs=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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(objects, output_dir, libraries, library_dirs) = \
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self._fix_link_args (objects, output_dir, takes_libs=1,
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libraries=libraries,
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library_dirs=library_dirs)
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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_opts = gen_lib_options (libraries, library_dirs,
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"%s.lib", "/LIBPATH:%s")
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ld_args = self.ldflags_static + lib_opts + \
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objects + ['/OUT:' + output_filename]
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if debug:
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pass # XXX what goes here?
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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.spawn ([self.link] + ld_args)
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else:
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self.announce ("skipping %s (up-to-date)" % output_filename)
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# link_static_lib ()
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def link_shared_lib (self,
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objects,
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output_libname,
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output_dir=None,
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libraries=None,
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library_dirs=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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self.link_shared_object (objects,
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self.shared_library_name(output_libname),
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output_dir=output_dir,
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libraries=libraries,
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library_dirs=library_dirs,
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debug=debug,
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extra_preargs=extra_preargs,
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extra_postargs=extra_postargs)
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def link_shared_object (self,
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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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debug=0,
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extra_preargs=None,
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extra_postargs=None):
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(objects, output_dir, libraries, library_dirs) = \
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self._fix_link_args (objects, output_dir, takes_libs=1,
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libraries=libraries, library_dirs=library_dirs)
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lib_opts = gen_lib_options (self, library_dirs, libraries)
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if type (output_dir) not in (StringType, NoneType):
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raise TypeError, "'output_dir' must be a string or None"
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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 debug:
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ldflags = self.ldflags_shared_debug
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# XXX not sure this belongs here
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# extensions in debug_mode are named 'module_d.pyd'
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basename, ext = os.path.splitext (output_filename)
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output_filename = basename + '_d' + ext
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else:
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ldflags = self.ldflags_shared
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ld_args = ldflags + lib_opts + \
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objects + ['/OUT:' + output_filename]
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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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self.spawn ([self.link] + ld_args)
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else:
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self.announce ("skipping %s (up-to-date)" % output_filename)
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# link_shared_object ()
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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 library_option (self, lib):
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return self.library_filename (lib)
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def find_library_file (self, dirs, lib):
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for dir in dirs:
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libfile = os.path.join (dir, self.library_filename (lib))
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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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# class MSVCCompiler
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