mapnik/scons/scons-local-2.3.1/SCons/Tool/MSCommon/sdk.py

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__revision__ = "src/engine/SCons/Tool/MSCommon/sdk.py  2014/03/02 14:18:15 garyo"

__doc__ = """Module to detect the Platform/Windows SDK

PSDK 2003 R1 is the earliest version detected.
"""

import os

import SCons.Errors
import SCons.Util

import common

debug = common.debug

# SDK Checks. This is of course a mess as everything else on MS platforms. Here
# is what we do to detect the SDK:
#
# For Windows SDK >= 6.0: just look into the registry entries:
#   HKLM\Software\Microsoft\Microsoft SDKs\Windows
# All the keys in there are the available versions.
#
# For Platform SDK before 6.0 (2003 server R1 and R2, etc...), there does not
# seem to be any sane registry key, so the precise location is hardcoded.
#
# For versions below 2003R1, it seems the PSDK is included with Visual Studio?
#
# Also, per the following:
#     http://benjamin.smedbergs.us/blog/tag/atl/
# VC++ Professional comes with the SDK, VC++ Express does not.

# Location of the SDK (checked for 6.1 only)
_CURINSTALLED_SDK_HKEY_ROOT = \
        r"Software\Microsoft\Microsoft SDKs\Windows\CurrentInstallFolder"


class SDKDefinition(object):
    """
    An abstract base class for trying to find installed SDK directories.
    """
    def __init__(self, version, **kw):
        self.version = version
        self.__dict__.update(kw)

    def find_sdk_dir(self):
        """Try to find the MS SDK from the registry.

        Return None if failed or the directory does not exist.
        """
        if not SCons.Util.can_read_reg:
            debug('find_sdk_dir(): can not read registry')
            return None

        hkey = self.HKEY_FMT % self.hkey_data
        debug('find_sdk_dir(): checking registry:%s'%hkey)

        try:
            sdk_dir = common.read_reg(hkey)
        except WindowsError, e:
            debug('find_sdk_dir(): no SDK registry key %s' % repr(hkey))
            return None

        debug('find_sdk_dir(): Trying SDK Dir: %s'%sdk_dir)

        if not os.path.exists(sdk_dir):
            debug('find_sdk_dir():  %s not on file system' % sdk_dir)
            return None

        ftc = os.path.join(sdk_dir, self.sanity_check_file)
        if not os.path.exists(ftc):
            debug("find_sdk_dir(): sanity check %s not found" % ftc)
            return None

        return sdk_dir

    def get_sdk_dir(self):
        """Return the MSSSDK given the version string."""
        try:
            return self._sdk_dir
        except AttributeError:
            sdk_dir = self.find_sdk_dir()
            self._sdk_dir = sdk_dir
            return sdk_dir
        
    def get_sdk_vc_script(self,host_arch, target_arch):
        """ Return the script to initialize the VC compiler installed by SDK
        """

        if (host_arch == 'amd64' and target_arch == 'x86'):
            # No cross tools needed compiling 32 bits on 64 bit machine
            host_arch=target_arch
        
        arch_string=target_arch
        if (host_arch != target_arch):
            arch_string='%s_%s'%(host_arch,target_arch)
            
        debug("sdk.py: get_sdk_vc_script():arch_string:%s host_arch:%s target_arch:%s"%(arch_string,
                                                           host_arch,
                                                           target_arch))
        file=self.vc_setup_scripts.get(arch_string,None)
        debug("sdk.py: get_sdk_vc_script():file:%s"%file)
        return file

class WindowsSDK(SDKDefinition):
    """
    A subclass for trying to find installed Windows SDK directories.
    """
    HKEY_FMT = r'Software\Microsoft\Microsoft SDKs\Windows\v%s\InstallationFolder'
    def __init__(self, *args, **kw):
        SDKDefinition.__init__(self, *args, **kw)
        self.hkey_data = self.version

class PlatformSDK(SDKDefinition):
    """
    A subclass for trying to find installed Platform SDK directories.
    """
    HKEY_FMT = r'Software\Microsoft\MicrosoftSDK\InstalledSDKS\%s\Install Dir'
    def __init__(self, *args, **kw):
        SDKDefinition.__init__(self, *args, **kw)
        self.hkey_data = self.uuid

#
# The list of VC initialization scripts installed by the SDK
# These should be tried if the vcvarsall.bat TARGET_ARCH fails
preSDK61VCSetupScripts = { 'x86'      : r'bin\vcvars32.bat',
                           'amd64'    : r'bin\vcvarsamd64.bat',
                           'x86_amd64': r'bin\vcvarsx86_amd64.bat',
                           'x86_ia64' : r'bin\vcvarsx86_ia64.bat',
                           'ia64'     : r'bin\vcvarsia64.bat'}

SDK61VCSetupScripts = {'x86'      : r'bin\vcvars32.bat',
                       'amd64'    : r'bin\amd64\vcvarsamd64.bat',
                       'x86_amd64': r'bin\x86_amd64\vcvarsx86_amd64.bat',
                       'x86_ia64' : r'bin\x86_ia64\vcvarsx86_ia64.bat',
                       'ia64'     : r'bin\ia64\vcvarsia64.bat'}

SDK70VCSetupScripts =    { 'x86'      : r'bin\vcvars32.bat',
                           'amd64'    : r'bin\vcvars64.bat',
                           'x86_amd64': r'bin\vcvarsx86_amd64.bat',
                           'x86_ia64' : r'bin\vcvarsx86_ia64.bat',
                           'ia64'     : r'bin\vcvarsia64.bat'}

# The list of support SDKs which we know how to detect.
#
# The first SDK found in the list is the one used by default if there
# are multiple SDKs installed.  Barring good reasons to the contrary,
# this means we should list SDKs with from most recent to oldest.
#
# If you update this list, update the documentation in Tool/mssdk.xml.
SupportedSDKList = [
    WindowsSDK('7.0',
               sanity_check_file=r'bin\SetEnv.Cmd',
               include_subdir='include',
               lib_subdir={
                   'x86'       : ['lib'],
                   'x86_64'    : [r'lib\x64'],
                   'ia64'      : [r'lib\ia64'],
               },
               vc_setup_scripts = SDK70VCSetupScripts,
              ),
    WindowsSDK('6.1',
               sanity_check_file=r'bin\SetEnv.Cmd',
               include_subdir='include',
               lib_subdir={
                   'x86'       : ['lib'],
                   'x86_64'    : [r'lib\x64'],
                   'ia64'      : [r'lib\ia64'],
               },
               vc_setup_scripts = SDK61VCSetupScripts,
              ),

    WindowsSDK('6.0A',
               sanity_check_file=r'include\windows.h',
               include_subdir='include',
               lib_subdir={
                   'x86'       : ['lib'],
                   'x86_64'    : [r'lib\x64'],
                   'ia64'      : [r'lib\ia64'],
               },
               vc_setup_scripts = preSDK61VCSetupScripts,
              ),

    WindowsSDK('6.0',
               sanity_check_file=r'bin\gacutil.exe',
               include_subdir='include',
               lib_subdir='lib',
               vc_setup_scripts = preSDK61VCSetupScripts,
              ),

    PlatformSDK('2003R2',
                sanity_check_file=r'SetEnv.Cmd',
                uuid="D2FF9F89-8AA2-4373-8A31-C838BF4DBBE1",
                vc_setup_scripts = preSDK61VCSetupScripts,
               ),

    PlatformSDK('2003R1',
                sanity_check_file=r'SetEnv.Cmd',
                uuid="8F9E5EF3-A9A5-491B-A889-C58EFFECE8B3",
                vc_setup_scripts = preSDK61VCSetupScripts,
               ),
]

SupportedSDKMap = {}
for sdk in SupportedSDKList:
    SupportedSDKMap[sdk.version] = sdk


# Finding installed SDKs isn't cheap, because it goes not only to the
# registry but also to the disk to sanity-check that there is, in fact,
# an SDK installed there and that the registry entry isn't just stale.
# Find this information once, when requested, and cache it.

InstalledSDKList = None
InstalledSDKMap = None

def get_installed_sdks():
    global InstalledSDKList
    global InstalledSDKMap
    debug('sdk.py:get_installed_sdks()')
    if InstalledSDKList is None:
        InstalledSDKList = []
        InstalledSDKMap = {}
        for sdk in SupportedSDKList:
            debug('MSCommon/sdk.py: trying to find SDK %s' % sdk.version)
            if sdk.get_sdk_dir():
                debug('MSCommon/sdk.py:found SDK %s' % sdk.version)
                InstalledSDKList.append(sdk)
                InstalledSDKMap[sdk.version] = sdk
    return InstalledSDKList


# We may be asked to update multiple construction environments with
# SDK information.  When doing this, we check on-disk for whether
# the SDK has 'mfc' and 'atl' subdirectories.  Since going to disk
# is expensive, cache results by directory.

SDKEnvironmentUpdates = {}

def set_sdk_by_directory(env, sdk_dir):
    global SDKEnvironmentUpdates
    debug('set_sdk_by_directory: Using dir:%s'%sdk_dir)
    try:
        env_tuple_list = SDKEnvironmentUpdates[sdk_dir]
    except KeyError:
        env_tuple_list = []
        SDKEnvironmentUpdates[sdk_dir] = env_tuple_list

        include_path = os.path.join(sdk_dir, 'include')
        mfc_path = os.path.join(include_path, 'mfc')
        atl_path = os.path.join(include_path, 'atl')

        if os.path.exists(mfc_path):
            env_tuple_list.append(('INCLUDE', mfc_path))
        if os.path.exists(atl_path):
            env_tuple_list.append(('INCLUDE', atl_path))
        env_tuple_list.append(('INCLUDE', include_path))

        env_tuple_list.append(('LIB', os.path.join(sdk_dir, 'lib')))
        env_tuple_list.append(('LIBPATH', os.path.join(sdk_dir, 'lib')))
        env_tuple_list.append(('PATH', os.path.join(sdk_dir, 'bin')))

    for variable, directory in env_tuple_list:
        env.PrependENVPath(variable, directory)


# TODO(sgk):  currently unused; remove?
def get_cur_sdk_dir_from_reg():
    """Try to find the platform sdk directory from the registry.

    Return None if failed or the directory does not exist"""
    if not SCons.Util.can_read_reg:
        debug('SCons cannot read registry')
        return None

    try:
        val = common.read_reg(_CURINSTALLED_SDK_HKEY_ROOT)
        debug("Found current sdk dir in registry: %s" % val)
    except WindowsError, e:
        debug("Did not find current sdk in registry")
        return None

    if not os.path.exists(val):
        debug("Current sdk dir %s not on fs" % val)
        return None

    return val

def get_sdk_by_version(mssdk):
    if mssdk not in SupportedSDKMap:
        msg = "SDK version %s is not supported" % repr(mssdk)
        raise SCons.Errors.UserError(msg)
    get_installed_sdks()
    return InstalledSDKMap.get(mssdk)

def get_default_sdk():
    """Set up the default Platform/Windows SDK."""
    get_installed_sdks()
    if not InstalledSDKList:
        return None
    return InstalledSDKList[0]




def mssdk_setup_env(env):
    debug('sdk.py:mssdk_setup_env()')
    if 'MSSDK_DIR' in env:
        sdk_dir = env['MSSDK_DIR']
        if sdk_dir is None:
            return
        sdk_dir = env.subst(sdk_dir)
        debug('sdk.py:mssdk_setup_env: Using MSSDK_DIR:%s'%sdk_dir)
    elif 'MSSDK_VERSION' in env:
        sdk_version = env['MSSDK_VERSION']
        if sdk_version is None:
            msg = "SDK version %s is not installed" % repr(mssdk)
            raise SCons.Errors.UserError(msg)
        sdk_version = env.subst(sdk_version)
        mssdk = get_sdk_by_version(sdk_version)
        sdk_dir = mssdk.get_sdk_dir()
        debug('sdk.py:mssdk_setup_env: Using MSSDK_VERSION:%s'%sdk_dir)
    elif 'MSVS_VERSION' in env:
        msvs_version = env['MSVS_VERSION']
        debug('sdk.py:mssdk_setup_env:Getting MSVS_VERSION from env:%s'%msvs_version)
        if msvs_version is None:
            debug('sdk.py:mssdk_setup_env thinks msvs_version is None')
            return
        msvs_version = env.subst(msvs_version)
        import vs
        msvs = vs.get_vs_by_version(msvs_version)
        debug('sdk.py:mssdk_setup_env:msvs is :%s'%msvs)
        if not msvs:
            debug('sdk.py:mssdk_setup_env: no VS version detected, bailingout:%s'%msvs)
            return
        sdk_version = msvs.sdk_version
        debug('sdk.py:msvs.sdk_version is %s'%sdk_version)
        if not sdk_version:
            return
        mssdk = get_sdk_by_version(sdk_version)
        if not mssdk:
            mssdk = get_default_sdk()
            if not mssdk:
                return
        sdk_dir = mssdk.get_sdk_dir()
        debug('sdk.py:mssdk_setup_env: Using MSVS_VERSION:%s'%sdk_dir)
    else:
        mssdk = get_default_sdk()
        if not mssdk:
            return
        sdk_dir = mssdk.get_sdk_dir()
        debug('sdk.py:mssdk_setup_env: not using any env values. sdk_dir:%s'%sdk_dir)

    set_sdk_by_directory(env, sdk_dir)

    #print "No MSVS_VERSION: this is likely to be a bug"

def mssdk_exists(version=None):
    sdks = get_installed_sdks()
    if version is None:
        return len(sdks) > 0
    return version in sdks

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