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-rw-r--r--src/engine/SCons/Tool/MSCommon/vc.py328
1 files changed, 265 insertions, 63 deletions
diff --git a/src/engine/SCons/Tool/MSCommon/vc.py b/src/engine/SCons/Tool/MSCommon/vc.py
index fba86af..5de85d6 100644
--- a/src/engine/SCons/Tool/MSCommon/vc.py
+++ b/src/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 rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"
+__revision__ = "src/engine/SCons/Tool/MSCommon/vc.py 103260fce95bf5db1c35fb2371983087d85dd611 2019-07-13 18:25:30 bdbaddog"
__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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 02:47:28 +0000