def configure_cxx(self):
# Gather various compiler parameters.
cxx = self.get_lit_conf('cxx_under_test')
self.cxx_is_clang_cl = cxx is not None and \
os.path.basename(cxx).startswith('clang-cl')
# If no specific cxx_under_test was given, attempt to infer it as
# clang++.
if cxx is None or self.cxx_is_clang_cl:
search_paths = self.config.environment['PATH']
if cxx is not None and os.path.isabs(cxx):
search_paths = os.path.dirname(cxx)
clangxx = libcxx.util.which('clang++', search_paths)
if clangxx:
cxx = clangxx
self.lit_config.note(
"inferred cxx_under_test as: %r" % cxx)
elif self.cxx_is_clang_cl:
self.lit_config.fatal('Failed to find clang++ substitution for'
' clang-cl')
if not cxx:
self.lit_config.fatal('must specify user parameter cxx_under_test '
'(e.g., --param=cxx_under_test=clang++)')
self.cxx = CXXCompiler(self, cxx) if not self.cxx_is_clang_cl else \
self._configure_clang_cl(cxx)
self.cxx.compile_env = dict(os.environ)
def configure_cxx(self):
# Gather various compiler parameters.
cxx = self.get_lit_conf('cxx_under_test')
# If no specific cxx_under_test was given, attempt to infer it as
# clang++.
if cxx is None:
clangxx = lit.util.which('clang++',
self.config.environment['PATH'])
if clangxx:
cxx = clangxx
self.lit_config.note(
"inferred cxx_under_test as: %r" % cxx)
if not cxx:
self.lit_config.fatal('must specify user parameter cxx_under_test '
'(e.g., --param=cxx_under_test=clang++)')
self.cxx = CXXCompiler(cxx)
cxx_type = self.cxx.type
if cxx_type is not None:
assert self.cxx.version is not None
maj_v, min_v, _ = self.cxx.version
self.config.available_features.add(cxx_type)
self.config.available_features.add('%s-%s' % (cxx_type, maj_v))
self.config.available_features.add('%s-%s.%s' % (
cxx_type, maj_v, min_v))
def configure_cxx(self):
# Gather various compiler parameters.
cxx = self.get_lit_conf('cxx_under_test')
self.cxx_is_clang_cl = cxx is not None and \
os.path.basename(cxx) == 'clang-cl.exe'
# If no specific cxx_under_test was given, attempt to infer it as
# clang++.
if cxx is None or self.cxx_is_clang_cl:
clangxx = lit.util.which('clang++',
self.config.environment['PATH'])
if clangxx:
cxx = clangxx
self.lit_config.note("inferred cxx_under_test as: %r" % cxx)
elif self.cxx_is_clang_cl:
self.lit_config.fatal('Failed to find clang++ substitution for'
' clang-cl')
if not cxx:
self.lit_config.fatal('must specify user parameter cxx_under_test '
'(e.g., --param=cxx_under_test=clang++)')
self.cxx = CXXCompiler(cxx) if not self.cxx_is_clang_cl else \
self._configure_clang_cl(cxx)
cxx_type = self.cxx.type
if cxx_type is not None:
assert self.cxx.version is not None
maj_v, min_v, _ = self.cxx.version
self.config.available_features.add(cxx_type)
self.config.available_features.add('%s-%s' % (cxx_type, maj_v))
self.config.available_features.add('%s-%s.%s' %
(cxx_type, maj_v, min_v))
self.cxx.compile_env = dict(os.environ)
# 'CCACHE_CPP2' prevents ccache from stripping comments while
# preprocessing. This is required to prevent stripping of '-verify'
# comments.
self.cxx.compile_env['CCACHE_CPP2'] = '1'
def _configure_clang_cl(self, clang_path):
def _split_env_var(var):
return [p.strip() for p in os.environ.get(var, '').split(';') if p.strip()]
def _prefixed_env_list(var, prefix):
from itertools import chain
return list(chain.from_iterable((prefix, path) for path in _split_env_var(var)))
assert self.cxx_is_clang_cl
flags = []
compile_flags = []
link_flags = _prefixed_env_list('LIB', '-L')
return CXXCompiler(self, clang_path, flags=flags,
compile_flags=compile_flags,
link_flags=link_flags)
def _configure_clang_cl(self, clang_path):
assert self.cxx_is_clang_cl
# FIXME: don't hardcode the target
flags = ['--target=i686-pc-windows']
compile_flags = []
link_flags = ['-fuse-ld=lld']
if 'INCLUDE' in os.environ:
compile_flags += ['-isystem %s' % p.strip()
for p in os.environ['INCLUDE'].split(';')
if p.strip()]
if 'LIB' in os.environ:
link_flags += ['-L%s' % p.strip()
for p in os.environ['LIB'].split(';') if p.strip()]
return CXXCompiler(clang_path, flags=flags,
compile_flags=compile_flags,
link_flags=link_flags)
def _configure_clang_cl(self, clang_path):
assert self.cxx_is_clang_cl
flags = []
compile_flags = []
link_flags = []
if 'INCLUDE' in os.environ:
compile_flags += [
'-isystem %s' % p.strip()
for p in os.environ['INCLUDE'].split(';') if p.strip()
]
if 'LIB' in os.environ:
for p in os.environ['LIB'].split(';'):
p = p.strip()
if not p:
continue
link_flags += ['-L%s' % p]
self.add_path(self.exec_env, p)
return CXXCompiler(clang_path,
flags=flags,
compile_flags=compile_flags,
link_flags=link_flags)
