diff options
Diffstat (limited to 'engine/SCons/Tool/MSCommon/vc.py')
| -rw-r--r-- | engine/SCons/Tool/MSCommon/vc.py | 328 |
1 files changed, 265 insertions, 63 deletions
diff --git a/engine/SCons/Tool/MSCommon/vc.py b/engine/SCons/Tool/MSCommon/vc.py index 4139ee3..1f1332e 100644 --- a/engine/SCons/Tool/MSCommon/vc.py +++ b/engine/SCons/Tool/MSCommon/vc.py @@ -1,5 +1,5 @@ # -# Copyright (c) 2001 - 2017 The SCons Foundation +# Copyright (c) 2001 - 2019 The SCons Foundation # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the @@ -30,7 +30,7 @@ # * test on 64 bits XP + VS 2005 (and VS 6 if possible) # * SDK # * Assembly -__revision__ = "src/engine/SCons/Tool/MSCommon/vc.py 74b2c53bc42290e911b334a6b44f187da698a668 2017/11/14 13:16:53 bdbaddog" +__revision__ = "src/engine/SCons/Tool/MSCommon/vc.py a56bbd8c09fb219ab8a9673330ffcd55279219d0 2019-03-26 23:16:31 bdeegan" __doc__ = """Module for Visual C/C++ detection and configuration. """ @@ -43,6 +43,7 @@ import platform from string import digits as string_digits import SCons.Warnings +from SCons.Tool import find_program_path from . import common @@ -79,15 +80,43 @@ _ARCH_TO_CANONICAL = { "i486" : "x86", "i586" : "x86", "i686" : "x86", - "ia64" : "ia64", - "itanium" : "ia64", + "ia64" : "ia64", # deprecated + "itanium" : "ia64", # deprecated "x86" : "x86", "x86_64" : "amd64", - "x86_amd64" : "x86_amd64", # Cross compile to 64 bit from 32bits + "arm" : "arm", + "arm64" : "arm64", + "aarch64" : "arm64", } -# Given a (host, target) tuple, return the argument for the bat file. Both host -# and targets should be canonalized. +# get path to the cl.exe dir for newer VS versions +# based off a tuple of (host, target) platforms +_HOST_TARGET_TO_CL_DIR_GREATER_THAN_14 = { + ("amd64","amd64") : "Hostx64\\x64", + ("amd64","x86") : "Hostx64\\x86", + ("amd64","arm") : "Hostx64\\arm", + ("amd64","arm64") : "Hostx64\\arm64", + ("x86","amd64") : "Hostx86\\x64", + ("x86","x86") : "Hostx86\\x86", + ("x86","arm") : "Hostx86\\arm", + ("x86","arm64") : "Hostx86\\arm64", +} + +# get path to the cl.exe dir for older VS versions +# based off a tuple of (host, target) platforms +_HOST_TARGET_TO_CL_DIR = { + ("amd64","amd64") : "amd64", + ("amd64","x86") : "amd64_x86", + ("amd64","arm") : "amd64_arm", + ("amd64","arm64") : "amd64_arm64", + ("x86","amd64") : "x86_amd64", + ("x86","x86") : "", + ("x86","arm") : "x86_arm", + ("x86","arm64") : "x86_arm64", +} + +# Given a (host, target) tuple, return the argument for the bat file. +# Both host and targets should be canonalized. _HOST_TARGET_ARCH_TO_BAT_ARCH = { ("x86", "x86"): "x86", ("x86", "amd64"): "x86_amd64", @@ -95,9 +124,32 @@ _HOST_TARGET_ARCH_TO_BAT_ARCH = { ("amd64", "x86_amd64"): "x86_amd64", # This is present in (at least) VS2012 express ("amd64", "amd64"): "amd64", ("amd64", "x86"): "x86", - ("x86", "ia64"): "x86_ia64" + ("x86", "ia64"): "x86_ia64", # gone since 14.0 + ("arm", "arm"): "arm", # since 14.0, maybe gone 14.1? + ("x86", "arm"): "x86_arm", # since 14.0 + ("x86", "arm64"): "x86_arm64", # since 14.1 + ("amd64", "arm"): "amd64_arm", # since 14.0 + ("amd64", "arm64"): "amd64_arm64", # since 14.1 } +_CL_EXE_NAME = 'cl.exe' + +def get_msvc_version_numeric(msvc_version): + """Get the raw version numbers from a MSVC_VERSION string, so it + could be cast to float or other numeric values. For example, '14.0Exp' + would get converted to '14.0'. + + Args: + msvc_version: str + string representing the version number, could contain non + digit characters + + Returns: + str: the value converted to a numeric only string + + """ + return ''.join([x for x in msvc_version if x in string_digits + '.']) + def get_host_target(env): debug('vc.py:get_host_target()') @@ -188,7 +240,7 @@ _VCVER_TO_PRODUCT_DIR = { } def msvc_version_to_maj_min(msvc_version): - msvc_version_numeric = ''.join([x for x in msvc_version if x in string_digits + '.']) + msvc_version_numeric = get_msvc_version_numeric(msvc_version) t = msvc_version_numeric.split(".") if not len(t) == 2: @@ -201,21 +253,21 @@ def msvc_version_to_maj_min(msvc_version): raise ValueError("Unrecognized version %s (%s)" % (msvc_version,msvc_version_numeric)) def is_host_target_supported(host_target, msvc_version): - """Return True if the given (host, target) tuple is supported given the - msvc version. - - Parameters - ---------- - host_target: tuple - tuple of (canonalized) host-target, e.g. ("x86", "amd64") for cross - compilation from 32 bits windows to 64 bits. - msvc_version: str - msvc version (major.minor, e.g. 10.0) - - Note - ---- - This only check whether a given version *may* support the given (host, - target), not that the toolchain is actually present on the machine. + """Check if the given (host, target) tuple is supported for given version. + + Args: + host_target: tuple + tuple of (canonalized) host-targets, e.g. ("x86", "amd64") + for cross compilation from 32 bit Windows to 64 bits. + msvc_version: str + msvc version (major.minor, e.g. 10.0) + + Returns: + bool: + + Note: + This only checks whether a given version *may* support the given (host, + target), not that the toolchain is actually present on the machine. """ # We assume that any Visual Studio version supports x86 as a target if host_target[1] != "x86": @@ -228,40 +280,69 @@ def is_host_target_supported(host_target, msvc_version): def find_vc_pdir_vswhere(msvc_version): """ - Find the MSVC product directory using vswhere.exe . + Find the MSVC product directory using vswhere.exe. + Run it asking for specified version and get MSVS install location :param msvc_version: - :return: MSVC install dir + :return: MSVC install dir or None """ - vswhere_path = os.path.join( - 'C:\\', - 'Program Files (x86)', - 'Microsoft Visual Studio', - 'Installer', - 'vswhere.exe' - ) - vswhere_cmd = [vswhere_path, '-version', msvc_version, '-property', 'installationPath'] + + # For bug 3333 - support default location of vswhere for both 64 and 32 bit windows + # installs. + for pf in ['Program Files (x86)', 'Program Files']: + vswhere_path = os.path.join( + 'C:\\', + pf, + 'Microsoft Visual Studio', + 'Installer', + 'vswhere.exe' + ) + if os.path.exists(vswhere_path): + # If we found vswhere, then use it. + break + + vswhere_cmd = [vswhere_path, '-products', '*', '-version', msvc_version, '-property', 'installationPath'] if os.path.exists(vswhere_path): - sp = subprocess.Popen(vswhere_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + #TODO PY27 cannot use Popen as context manager + # try putting it back to the old way for now + sp = subprocess.Popen(vswhere_cmd, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) vsdir, err = sp.communicate() - vsdir = vsdir.decode("mbcs") - vsdir = vsdir.rstrip() - vc_pdir = os.path.join(vsdir, 'VC') - return vc_pdir + if vsdir: + vsdir = vsdir.decode("mbcs").splitlines() + # vswhere could easily return multiple lines + # we could define a way to pick the one we prefer, but since + # this data is currently only used to make a check for existence, + # returning the first hit should be good enough for now. + vc_pdir = os.path.join(vsdir[0], 'VC') + return vc_pdir else: # No vswhere on system, no install info available return None def find_vc_pdir(msvc_version): - """Try to find the product directory for the given - version. + """Find the product directory for the given version. + + Tries to look up the path using a registry key from the table + _VCVER_TO_PRODUCT_DIR; if there is no key, calls find_vc_pdir_wshere + for help instead. + + Args: + msvc_version: str + msvc version (major.minor, e.g. 10.0) + + Returns: + str: Path found in registry, or None - Note - ---- - If for some reason the requested version could not be found, an - exception which inherits from VisualCException will be raised.""" + Raises: + UnsupportedVersion: if the version is not known by this file. + MissingConfiguration: found version but the directory is missing. + + Both exceptions inherit from VisualCException. + """ root = 'Software\\' try: hkeys = _VCVER_TO_PRODUCT_DIR[msvc_version] @@ -275,8 +356,10 @@ def find_vc_pdir(msvc_version): if not key: comps = find_vc_pdir_vswhere(msvc_version) if not comps: - debug('find_vc_dir(): no VC found via vswhere for version {}'.format(repr(key))) + debug('find_vc_pdir_vswhere(): no VC found for version {}'.format(repr(msvc_version))) raise SCons.Util.WinError + debug('find_vc_pdir_vswhere(): VC found: {}'.format(repr(msvc_version))) + return comps else: if common.is_win64(): try: @@ -308,10 +391,10 @@ def find_batch_file(env,msvc_version,host_arch,target_arch): if pdir is None: raise NoVersionFound("No version of Visual Studio found") - debug('vc.py: find_batch_file() pdir:{}'.format(pdir)) + debug('vc.py: find_batch_file() in {}'.format(pdir)) # filter out e.g. "Exp" from the version name - msvc_ver_numeric = ''.join([x for x in msvc_version if x in string_digits + "."]) + msvc_ver_numeric = get_msvc_version_numeric(msvc_version) vernum = float(msvc_ver_numeric) if 7 <= vernum < 8: pdir = os.path.join(pdir, os.pardir, "Common7", "Tools") @@ -343,23 +426,132 @@ def find_batch_file(env,msvc_version,host_arch,target_arch): __INSTALLED_VCS_RUN = None -def cached_get_installed_vcs(): +def _check_cl_exists_in_vc_dir(env, vc_dir, msvc_version): + """Find the cl.exe on the filesystem in the vc_dir depending on + TARGET_ARCH, HOST_ARCH and the msvc version. TARGET_ARCH and + HOST_ARCH can be extracted from the passed env, unless its None, + which then the native platform is assumed the host and target. + + Args: + env: Environment + a construction environment, usually if this is passed its + because there is a desired TARGET_ARCH to be used when searching + for a cl.exe + vc_dir: str + the path to the VC dir in the MSVC installation + msvc_version: str + msvc version (major.minor, e.g. 10.0) + + Returns: + bool: + + """ + + # determine if there is a specific target platform we want to build for and + # use that to find a list of valid VCs, default is host platform == target platform + # and same for if no env is specified to extract target platform from + if env: + (host_platform, target_platform, req_target_platform) = get_host_target(env) + else: + host_platform = platform.machine().lower() + target_platform = host_platform + + host_platform = _ARCH_TO_CANONICAL[host_platform] + target_platform = _ARCH_TO_CANONICAL[target_platform] + + debug('_check_cl_exists_in_vc_dir(): host platform %s, target platform %s' % (host_platform, target_platform)) + + ver_num = float(get_msvc_version_numeric(msvc_version)) + + # make sure the cl.exe exists meaning the tool is installed + if ver_num > 14: + # 2017 and newer allowed multiple versions of the VC toolset to be installed at the same time. + # Just get the default tool version for now + #TODO: support setting a specific minor VC version + default_toolset_file = os.path.join(vc_dir, r'Auxiliary\Build\Microsoft.VCToolsVersion.default.txt') + try: + with open(default_toolset_file) as f: + vc_specific_version = f.readlines()[0].strip() + except IOError: + debug('_check_cl_exists_in_vc_dir(): failed to read ' + default_toolset_file) + return False + except IndexError: + debug('_check_cl_exists_in_vc_dir(): failed to find MSVC version in ' + default_toolset_file) + return False + + host_trgt_dir = _HOST_TARGET_TO_CL_DIR_GREATER_THAN_14.get((host_platform, target_platform), None) + if not host_trgt_dir: + debug('_check_cl_exists_in_vc_dir(): unsupported host/target platform combo') + return False + + cl_path = os.path.join(vc_dir, r'Tools\MSVC', vc_specific_version, 'bin', host_trgt_dir, _CL_EXE_NAME) + debug('_check_cl_exists_in_vc_dir(): checking for ' + _CL_EXE_NAME + ' at ' + cl_path) + if os.path.exists(cl_path): + debug('_check_cl_exists_in_vc_dir(): found ' + _CL_EXE_NAME + '!') + return True + + elif ver_num <= 14 and ver_num >= 8: + + host_trgt_dir = _HOST_TARGET_TO_CL_DIR.get((host_platform, target_platform), None) + if not host_trgt_dir: + debug('_check_cl_exists_in_vc_dir(): unsupported host/target platform combo') + return False + + cl_path = os.path.join(vc_dir, 'bin', host_trgt_dir, _CL_EXE_NAME) + debug('_check_cl_exists_in_vc_dir(): checking for ' + _CL_EXE_NAME + ' at ' + cl_path) + + cl_path_exists = os.path.exists(cl_path) + if not cl_path_exists and host_platform == 'amd64': + # older versions of visual studio only had x86 binaries, + # so if the host platform is amd64, we need to check cross + # compile options (x86 binary compiles some other target on a 64 bit os) + host_trgt_dir = _HOST_TARGET_TO_CL_DIR.get(('x86', target_platform), None) + if not host_trgt_dir: + return False + + cl_path = os.path.join(vc_dir, 'bin', host_trgt_dir, _CL_EXE_NAME) + debug('_check_cl_exists_in_vc_dir(): checking for ' + _CL_EXE_NAME + ' at ' + cl_path) + cl_path_exists = os.path.exists(cl_path) + + if cl_path_exists: + debug('_check_cl_exists_in_vc_dir(): found ' + _CL_EXE_NAME + '!') + return True + + elif ver_num < 8 and ver_num >= 6: + # not sure about these versions so if a walk the VC dir (could be slow) + for root, _, files in os.walk(vc_dir): + if _CL_EXE_NAME in files: + debug('get_installed_vcs ' + _CL_EXE_NAME + ' found %s' % os.path.join(root, _CL_EXE_NAME)) + return True + return False + else: + # version not support return false + debug('_check_cl_exists_in_vc_dir(): unsupported MSVC version: ' + str(ver_num)) + + return False + +def cached_get_installed_vcs(env=None): global __INSTALLED_VCS_RUN if __INSTALLED_VCS_RUN is None: - ret = get_installed_vcs() + ret = get_installed_vcs(env) __INSTALLED_VCS_RUN = ret return __INSTALLED_VCS_RUN -def get_installed_vcs(): +def get_installed_vcs(env=None): installed_versions = [] + for ver in _VCVER: debug('trying to find VC %s' % ver) try: - if find_vc_pdir(ver): + VC_DIR = find_vc_pdir(ver) + if VC_DIR: debug('found VC %s' % ver) - installed_versions.append(ver) + if _check_cl_exists_in_vc_dir(env, VC_DIR, ver): + installed_versions.append(ver) + else: + debug('find_vc_pdir no compiler found %s' % ver) else: debug('find_vc_pdir return None for ver %s' % ver) except VisualCException as e: @@ -416,7 +608,7 @@ def get_default_version(env): % (msvc_version, msvs_version)) return msvs_version if not msvc_version: - installed_vcs = cached_get_installed_vcs() + installed_vcs = cached_get_installed_vcs(env) debug('installed_vcs:%s' % installed_vcs) if not installed_vcs: #msg = 'No installed VCs' @@ -443,16 +635,17 @@ def msvc_find_valid_batch_script(env,version): debug('vc.py:msvc_find_valid_batch_script()') # Find the host platform, target platform, and if present the requested # target platform - (host_platform, target_platform,req_target_platform) = get_host_target(env) + platforms = get_host_target(env) + debug("vc.py: msvs_find_valid_batch_script(): host_platform %s, target_platform %s req_target_platform:%s" % platforms) + host_platform, target_platform, req_target_platform = platforms try_target_archs = [target_platform] - debug("msvs_find_valid_batch_script(): req_target_platform %s target_platform:%s"%(req_target_platform,target_platform)) # VS2012 has a "cross compile" environment to build 64 bit # with x86_amd64 as the argument to the batch setup script - if req_target_platform in ('amd64','x86_64'): + if req_target_platform in ('amd64', 'x86_64'): try_target_archs.append('x86_amd64') - elif not req_target_platform and target_platform in ['amd64','x86_64']: + elif not req_target_platform and target_platform in ['amd64', 'x86_64']: # There may not be "native" amd64, but maybe "cross" x86_amd64 tools try_target_archs.append('x86_amd64') # If the user hasn't specifically requested a TARGET_ARCH, and @@ -474,7 +667,7 @@ def msvc_find_valid_batch_script(env,version): (host_target, version) SCons.Warnings.warn(SCons.Warnings.VisualCMissingWarning, warn_msg) arg = _HOST_TARGET_ARCH_TO_BAT_ARCH[host_target] - + # Get just version numbers maj, min = msvc_version_to_maj_min(version) # VS2015+ @@ -493,15 +686,17 @@ def msvc_find_valid_batch_script(env,version): warn_msg = "VC version %s not installed. " + \ "C/C++ compilers are most likely not set correctly.\n" + \ " Installed versions are: %s" - warn_msg = warn_msg % (version, cached_get_installed_vcs()) + warn_msg = warn_msg % (version, cached_get_installed_vcs(env)) SCons.Warnings.warn(SCons.Warnings.VisualCMissingWarning, warn_msg) continue # Try to use the located batch file for this host/target platform combo debug('vc.py:msvc_find_valid_batch_script() use_script 2 %s, args:%s\n' % (repr(vc_script), arg)) + found = None if vc_script: try: d = script_env(vc_script, args=arg) + found = vc_script except BatchFileExecutionError as e: debug('vc.py:msvc_find_valid_batch_script() use_script 3: failed running VC script %s: %s: Error:%s'%(repr(vc_script),arg,e)) vc_script=None @@ -510,6 +705,7 @@ def msvc_find_valid_batch_script(env,version): debug('vc.py:msvc_find_valid_batch_script() use_script 4: trying sdk script: %s'%(sdk_script)) try: d = script_env(sdk_script) + found = sdk_script except BatchFileExecutionError as e: debug('vc.py:msvc_find_valid_batch_script() use_script 5: failed running SDK script %s: Error:%s'%(repr(sdk_script),e)) continue @@ -517,7 +713,7 @@ def msvc_find_valid_batch_script(env,version): debug('vc.py:msvc_find_valid_batch_script() use_script 6: Neither VC script nor SDK script found') continue - debug("vc.py:msvc_find_valid_batch_script() Found a working script/target: %s %s"%(repr(sdk_script),arg)) + debug("vc.py:msvc_find_valid_batch_script() Found a working script/target: %s/%s"%(repr(found),arg)) break # We've found a working target_platform, so stop looking # If we cannot find a viable installed compiler, reset the TARGET_ARCH @@ -566,8 +762,14 @@ def msvc_setup_env(env): debug('vc.py:msvc_setup_env() env:%s -> %s'%(k,v)) env.PrependENVPath(k, v, delete_existing=True) -def msvc_exists(version=None): - vcs = cached_get_installed_vcs() + # final check to issue a warning if the compiler is not present + msvc_cl = find_program_path(env, 'cl') + if not msvc_cl: + SCons.Warnings.warn(SCons.Warnings.VisualCMissingWarning, + "Could not find MSVC compiler 'cl', it may need to be installed separately with Visual Studio") + +def msvc_exists(env=None, version=None): + vcs = cached_get_installed_vcs(env) if version is None: return len(vcs) > 0 return version in vcs |