def __init__(self, cc=None, x64=False, ver0=None):
self.x64 = x64
patch_os_env(self.externals)
self.c_environ = os.environ.copy()
if cc is None:
# prefer compiler used to build host. Python2 only
if ver0 is None:
ver0 = _get_vcver0()
msvc_compiler_environ, self.vsver = find_msvc_env(x64, ver0=ver0)
Platform.__init__(self, 'cl.exe')
if msvc_compiler_environ:
self.c_environ.update(msvc_compiler_environ)
if x64:
self.externals_branch = 'win34_%d' % self.vsver
else:
self.externals_branch = 'win32_%d' % self.vsver
else:
self.cc = cc
# detect version of current compiler
try:
returncode, stdout, stderr = _run_subprocess(self.cc, [],
env=self.c_environ)
except EnvironmentError:
log.msg('Could not run %s using PATH=\n%s' %(self.cc,
'\n'.join(self.c_environ['PATH'].split(';'))))
raise
r = re.search(r'Microsoft.+C/C\+\+.+\s([0-9]+)\.([0-9]+).*', stderr)
if r is not None:
self.version = int(''.join(r.groups())) / 10 - 60
else:
# Probably not a msvc compiler...
self.version = 0
# Try to find a masm assembler
returncode, stdout, stderr = _run_subprocess('ml.exe', [],
env=self.c_environ)
r = re.search('Macro Assembler', stderr)
if r is None and os.path.exists('c:/masm32/bin/ml.exe'):
masm32 = 'c:/masm32/bin/ml.exe'
masm64 = 'c:/masm64/bin/ml64.exe'
else:
masm32 = 'ml.exe'
masm64 = 'ml64.exe'
if x64:
self.masm = masm64
else:
self.masm = masm32
# Install debug options only when interpreter is in debug mode
if sys.executable.lower().endswith('_d.exe'):
self.cflags = ['/MDd', '/Z7', '/Od']
# Increase stack size, for the linker and the stack check code.
stack_size = 8 << 20 # 8 Mb
self.link_flags = self.link_flags + ('/STACK:%d' % stack_size,)
# The following symbol is used in c/src/stack.h
self.cflags.append('/DMAX_STACK_SIZE=%d' % (stack_size - 1024))
def _get_msvc_env(vsver, x64flag):
vcdict = None
toolsdir = None
try:
if vsver < 140:
toolsdir = os.environ['VS%sCOMNTOOLS' % vsver]
else:
raise KeyError('always use registry values')
except KeyError:
# use setuptools from python3 to find tools
try:
vcdict = _find_vcvarsall(vsver, x64flag)
except Exception as e:
return None
else:
if x64flag:
vsinstalldir = os.path.abspath(os.path.join(toolsdir, '..', '..'))
vcinstalldir = os.path.join(vsinstalldir, 'VC')
vcbindir = os.path.join(vcinstalldir, 'BIN')
vcvars = os.path.join(vcbindir, 'amd64', 'vcvarsamd64.bat')
else:
vcvars = os.path.join(toolsdir, 'vsvars32.bat')
if not os.path.exists(vcvars):
# even msdn does not know which to run
# see https://msdn.microsoft.com/en-us/library/1700bbwd(v=vs.90).aspx
# wich names both
vcvars = os.path.join(toolsdir, 'vcvars32.bat')
import subprocess
try:
popen = subprocess.Popen('"%s" & set' % (vcvars,),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = popen.communicate()
if popen.wait() != 0:
return None
except:
return None
stdout = stdout.replace("\r\n", "\n")
vcdict = {}
for line in stdout.split("\n"):
if '=' not in line:
continue
key, value = line.split('=', 1)
vcdict[key] = value
env = {}
for key, value in vcdict.items():
if key.upper() in ['PATH', 'INCLUDE', 'LIB']:
env[key.upper()] = value
log.msg("Updated environment with vsver %d, using x64 %s" % (vsver, x64flag,))
return env
def _get_msvc_env(vsver, x64flag):
vcdict = None
toolsdir = None
try:
toolsdir = os.environ['VS%sCOMNTOOLS' % vsver]
except KeyError:
# use setuptools from python3 to find tools
try:
vcdict = _find_vcvarsall(vsver, x64flag)
except ImportError as e:
if 'setuptools' in str(e):
log.error(
'is setuptools installed (perhaps try %s -mensurepip)?' %
sys.executable)
log.error('looking for compiler %s raised exception "%s' %
(vsver, str(e)))
except Exception as e:
log.error('looking for compiler %s raised exception "%s' %
(vsver, str(e)))
return None
else:
if x64flag:
vsinstalldir = os.path.abspath(os.path.join(toolsdir, '..', '..'))
vcinstalldir = os.path.join(vsinstalldir, 'VC')
vcbindir = os.path.join(vcinstalldir, 'BIN')
vcvars = os.path.join(vcbindir, 'amd64', 'vcvarsamd64.bat')
else:
vcvars = os.path.join(toolsdir, 'vsvars32.bat')
if not os.path.exists(vcvars):
# even msdn does not know which to run
# see https://msdn.microsoft.com/en-us/library/1700bbwd(v=vs.90).aspx
# which names both
vcvars = os.path.join(toolsdir, 'vcvars32.bat')
import subprocess
try:
popen = subprocess.Popen('"%s" & set' % (vcvars, ),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = popen.communicate()
if popen.wait() != 0 or stdout[:5].lower() == 'error':
log.msg(
'Running "%s" errored: \n\nstdout:\n%s\n\nstderr:\n%s' %
(vcvars, stdout.split()[0], stderr))
return None
else:
log.msg('Running "%s" succeeded' % (vcvars, ))
except Exception as e:
log.msg('Running "%s" failed: "%s"' % (vcvars, str(e)))
return None
stdout = stdout.replace("\r\n", "\n")
vcdict = {}
for line in stdout.split("\n"):
if '=' not in line:
continue
key, value = line.split('=', 1)
vcdict[key] = value
env = {}
for key, value in vcdict.items():
if key.upper() in ['PATH', 'INCLUDE', 'LIB']:
env[key.upper()] = value
if 'PATH' not in env:
log.msg('Did not find "PATH" in stdout\n%s' % (stdout))
if not _find_executable('mt.exe', env['PATH']):
# For some reason the sdk bin path is missing?
# put it together from some other env variables that happened to exist
# on the buildbot where this occurred
if 'WindowsSDKVersion' in vcdict and 'WindowsSdkDir' in vcdict:
binpath = vcdict['WindowsSdkDir'] + '\\bin\\' + vcdict[
'WindowsSDKVersion'] + 'x86'
env['PATH'] += ';' + binpath
if not _find_executable('mt.exe', env['PATH']):
log.msg('Could not find mt.exe on path=%s' % env['PATH'])
log.msg('Running vsver %s set this env' % vsver)
for key, value in vcdict.items():
log.msg('%s=%s' % (key, value))
log.msg("Updated environment with vsver %d, using x64 %s" % (
vsver,
x64flag,
))
return env
