mirror of https://github.com/python/cpython
503 lines
17 KiB
Python
503 lines
17 KiB
Python
"""distutils.msvccompiler
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Contains MSVCCompiler, an implementation of the abstract CCompiler class
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for the Microsoft Visual Studio."""
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# 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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DistutilsExecError, DistutilsPlatformError, \
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CompileError, LibError, LinkError
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from distutils.ccompiler import \
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CCompiler, gen_preprocess_options, gen_lib_options
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from distutils import log
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_can_read_reg = 0
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try:
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import _winreg
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_can_read_reg = 1
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hkey_mod = _winreg
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RegOpenKeyEx = _winreg.OpenKeyEx
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RegEnumKey = _winreg.EnumKey
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RegEnumValue = _winreg.EnumValue
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RegError = _winreg.error
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except ImportError:
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try:
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import win32api
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import win32con
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_can_read_reg = 1
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hkey_mod = win32con
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RegOpenKeyEx = win32api.RegOpenKeyEx
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RegEnumKey = win32api.RegEnumKey
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RegEnumValue = win32api.RegEnumValue
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RegError = win32api.error
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except ImportError:
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pass
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if _can_read_reg:
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HKEY_CLASSES_ROOT = hkey_mod.HKEY_CLASSES_ROOT
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HKEY_LOCAL_MACHINE = hkey_mod.HKEY_LOCAL_MACHINE
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HKEY_CURRENT_USER = hkey_mod.HKEY_CURRENT_USER
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HKEY_USERS = hkey_mod.HKEY_USERS
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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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if not _can_read_reg:
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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 (HKEY_CLASSES_ROOT,
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HKEY_LOCAL_MACHINE,
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HKEY_CURRENT_USER,
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HKEY_USERS):
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try:
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k = 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 = 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 RegError:
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break
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i = i + 1
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except RegError:
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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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if not _can_read_reg:
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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 (HKEY_CLASSES_ROOT,
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HKEY_LOCAL_MACHINE,
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HKEY_CURRENT_USER,
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HKEY_USERS):
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try:
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k = 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) = 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 hasattr(v, "encode"):
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try:
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v = v.encode("mbcs")
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except UnicodeError:
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pass
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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 RegError:
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break
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except RegError:
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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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# Just set this so CCompiler's constructor doesn't barf. We currently
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# don't use the 'set_executables()' bureaucracy provided by CCompiler,
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# as it really isn't necessary for this sort of single-compiler class.
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# Would be nice to have a consistent interface with UnixCCompiler,
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# though, so it's worth thinking about.
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executables = {}
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# Private class data (need to distinguish C from C++ source for compiler)
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_c_extensions = ['.c']
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_cpp_extensions = ['.cc', '.cpp', '.cxx']
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_rc_extensions = ['.rc']
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_mc_extensions = ['.mc']
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# Needed for the filename generation methods provided by the
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# base class, CCompiler.
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src_extensions = (_c_extensions + _cpp_extensions +
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_rc_extensions + _mc_extensions)
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res_extension = '.res'
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obj_extension = '.obj'
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static_lib_extension = '.lib'
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shared_lib_extension = '.dll'
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static_lib_format = shared_lib_format = '%s%s'
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exe_extension = '.exe'
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def __init__ (self,
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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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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.linker = find_exe("link.exe", version)
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self.lib = find_exe("lib.exe", version)
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self.rc = find_exe("rc.exe", version) # resource compiler
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self.mc = find_exe("mc.exe", version) # message compiler
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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.linker = "link.exe"
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self.lib = "lib.exe"
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self.rc = "rc.exe"
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self.mc = "mc.exe"
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self.preprocess_options = None
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self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3', '/GX' ,
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'/DNDEBUG']
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self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GX',
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'/Z7', '/D_DEBUG']
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self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
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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 object_filenames (self,
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source_filenames,
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strip_dir=0,
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output_dir=''):
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# Copied from ccompiler.py, extended to return .res as 'object'-file
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# for .rc input file
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if output_dir is None: output_dir = ''
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obj_names = []
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for src_name in source_filenames:
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(base, ext) = os.path.splitext (src_name)
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if ext not in self.src_extensions:
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# Better to raise an exception instead of silently continuing
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# and later complain about sources and targets having
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# different lengths
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raise CompileError ("Don't know how to compile %s" % src_name)
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if strip_dir:
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base = os.path.basename (base)
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if ext in self._rc_extensions:
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obj_names.append (os.path.join (output_dir,
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base + self.res_extension))
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elif ext in self._mc_extensions:
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obj_names.append (os.path.join (output_dir,
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base + self.res_extension))
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else:
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obj_names.append (os.path.join (output_dir,
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base + self.obj_extension))
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return obj_names
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# object_filenames ()
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def compile(self, sources,
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output_dir=None, macros=None, include_dirs=None, debug=0,
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extra_preargs=None, extra_postargs=None, depends=None):
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macros, objects, extra_postargs, pp_opts, build = \
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self._setup_compile(output_dir, macros, include_dirs, sources,
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depends, extra_postargs)
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compile_opts = extra_preargs or []
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compile_opts.append ('/c')
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if debug:
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compile_opts.extend(self.compile_options_debug)
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else:
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compile_opts.extend(self.compile_options)
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for obj, (src, ext) in build.items():
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if debug:
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# pass the full pathname to MSVC in debug mode,
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# this allows the debugger to find the source file
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# without asking the user to browse for it
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src = os.path.abspath(src)
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if ext in self._c_extensions:
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input_opt = "/Tc" + src
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elif ext in self._cpp_extensions:
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input_opt = "/Tp" + src
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elif ext in self._rc_extensions:
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# compile .RC to .RES file
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input_opt = src
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output_opt = "/fo" + obj
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try:
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self.spawn ([self.rc] +
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[output_opt] + [input_opt])
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except DistutilsExecError, msg:
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raise CompileError, msg
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continue
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elif ext in self._mc_extensions:
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# Compile .MC to .RC file to .RES file.
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# * '-h dir' specifies the directory for the
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# generated include file
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# * '-r dir' specifies the target directory of the
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# generated RC file and the binary message resource
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# it includes
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#
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# For now (since there are no options to change this),
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# we use the source-directory for the include file and
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# the build directory for the RC file and message
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# resources. This works at least for win32all.
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h_dir = os.path.dirname (src)
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rc_dir = os.path.dirname (obj)
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try:
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# first compile .MC to .RC and .H file
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self.spawn ([self.mc] +
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['-h', h_dir, '-r', rc_dir] + [src])
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base, _ = os.path.splitext (os.path.basename (src))
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rc_file = os.path.join (rc_dir, base + '.rc')
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# then compile .RC to .RES file
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self.spawn ([self.rc] +
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["/fo" + obj] + [rc_file])
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except DistutilsExecError, msg:
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raise CompileError, msg
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continue
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else:
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# how to handle this file?
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raise CompileError (
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"Don't know how to compile %s to %s" % \
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(src, obj))
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output_opt = "/Fo" + obj
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try:
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self.spawn ([self.cc] + compile_opts + pp_opts +
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[input_opt, output_opt] +
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extra_postargs)
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except DistutilsExecError, msg:
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raise CompileError, msg
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return objects
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# compile ()
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def create_static_lib (self,
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objects,
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output_libname,
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output_dir=None,
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debug=0,
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target_lang=None):
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(objects, output_dir) = self._fix_object_args (objects, output_dir)
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output_filename = \
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self.library_filename (output_libname, output_dir=output_dir)
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if self._need_link (objects, output_filename):
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lib_args = objects + ['/OUT:' + output_filename]
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if debug:
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pass # XXX what goes here?
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try:
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self.spawn ([self.lib] + lib_args)
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except DistutilsExecError, msg:
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raise LibError, msg
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else:
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log.debug("skipping %s (up-to-date)", output_filename)
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# create_static_lib ()
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def link (self,
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target_desc,
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objects,
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output_filename,
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output_dir=None,
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libraries=None,
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library_dirs=None,
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runtime_library_dirs=None,
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export_symbols=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None,
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build_temp=None,
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target_lang=None):
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(objects, output_dir) = self._fix_object_args (objects, output_dir)
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(libraries, library_dirs, runtime_library_dirs) = \
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self._fix_lib_args (libraries, library_dirs, runtime_library_dirs)
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if runtime_library_dirs:
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self.warn ("I don't know what to do with 'runtime_library_dirs': "
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+ str (runtime_library_dirs))
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lib_opts = gen_lib_options (self,
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library_dirs, runtime_library_dirs,
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libraries)
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if output_dir is not None:
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output_filename = os.path.join (output_dir, output_filename)
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if self._need_link (objects, output_filename):
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if target_desc == CCompiler.EXECUTABLE:
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if debug:
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ldflags = self.ldflags_shared_debug[1:]
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else:
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ldflags = self.ldflags_shared[1:]
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else:
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if debug:
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ldflags = self.ldflags_shared_debug
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else:
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ldflags = self.ldflags_shared
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export_opts = []
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for sym in (export_symbols or []):
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export_opts.append("/EXPORT:" + sym)
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ld_args = (ldflags + lib_opts + export_opts +
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objects + ['/OUT:' + output_filename])
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# The MSVC linker generates .lib and .exp files, which cannot be
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# suppressed by any linker switches. The .lib files may even be
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# needed! Make sure they are generated in the temporary build
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# directory. Since they have different names for debug and release
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# builds, they can go into the same directory.
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if export_symbols is not None:
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(dll_name, dll_ext) = os.path.splitext(
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os.path.basename(output_filename))
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implib_file = os.path.join(
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os.path.dirname(objects[0]),
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self.library_filename(dll_name))
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ld_args.append ('/IMPLIB:' + implib_file)
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if extra_preargs:
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ld_args[:0] = extra_preargs
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if extra_postargs:
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ld_args.extend(extra_postargs)
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self.mkpath (os.path.dirname (output_filename))
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try:
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self.spawn ([self.linker] + ld_args)
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except DistutilsExecError, msg:
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raise LinkError, msg
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else:
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log.debug("skipping %s (up-to-date)", output_filename)
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# link ()
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# -- Miscellaneous methods -----------------------------------------
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# These are all used by the 'gen_lib_options() function, in
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# ccompiler.py.
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def library_dir_option (self, dir):
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return "/LIBPATH:" + dir
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def runtime_library_dir_option (self, dir):
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raise DistutilsPlatformError, \
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"don't know how to set runtime library search path for MSVC++"
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def library_option (self, lib):
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return self.library_filename (lib)
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def find_library_file (self, dirs, lib, debug=0):
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# Prefer a debugging library if found (and requested), but deal
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# with it if we don't have one.
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if debug:
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try_names = [lib + "_d", lib]
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else:
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try_names = [lib]
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for dir in dirs:
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for name in try_names:
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libfile = os.path.join(dir, self.library_filename (name))
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if os.path.exists(libfile):
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return libfile
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else:
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# Oops, didn't find it in *any* of 'dirs'
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return None
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# find_library_file ()
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# class MSVCCompiler
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