本文整理汇总了Python中libcxx.compiler.CXXCompiler.addFlagIfSupported方法的典型用法代码示例。如果您正苦于以下问题：Python CXXCompiler.addFlagIfSupported方法的具体用法？Python CXXCompiler.addFlagIfSupported怎么用？Python CXXCompiler.addFlagIfSupported使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类libcxx.compiler.CXXCompiler的用法示例。
在下文中一共展示了CXXCompiler.addFlagIfSupported方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Configuration
# 需要导入模块: from libcxx.compiler import CXXCompiler [as 别名]
# 或者: from libcxx.compiler.CXXCompiler import addFlagIfSupported [as 别名]
#.........这里部分代码省略.........
if maj_v <= 6:
possible_stds.remove('c++14')
for s in possible_stds:
if self.cxx.hasCompileFlag('-std=%s' % s):
std = s
self.lit_config.note(
'inferred language dialect as: %s' % std)
break
if not std:
self.lit_config.fatal(
'Failed to infer a supported language dialect from one of %r'
% possible_stds)
self.cxx.compile_flags += ['-std={0}'.format(std)]
self.config.available_features.add(std.replace('gnu++', 'c++'))
# Configure include paths
self.configure_compile_flags_header_includes()
self.target_info.add_cxx_compile_flags(self.cxx.compile_flags)
# Configure feature flags.
self.configure_compile_flags_exceptions()
self.configure_compile_flags_rtti()
self.configure_compile_flags_abi_version()
enable_32bit = self.get_lit_bool('enable_32bit', False)
if enable_32bit:
self.cxx.flags += ['-m32']
# Use verbose output for better errors
self.cxx.flags += ['-v']
sysroot = self.get_lit_conf('sysroot')
if sysroot:
self.cxx.flags += ['--sysroot', sysroot]
gcc_toolchain = self.get_lit_conf('gcc_toolchain')
if gcc_toolchain:
self.cxx.flags += ['-gcc-toolchain', gcc_toolchain]
if self.use_target:
if not self.cxx.addFlagIfSupported(
['-target', self.config.target_triple]):
self.lit_config.warning('use_target is true but -target is '\
'not supported by the compiler')
def configure_compile_flags_header_includes(self):
support_path = os.path.join(self.libcxx_src_root, 'test/support')
if self.cxx_stdlib_under_test != 'libstdc++' and \
not self.is_windows:
self.cxx.compile_flags += [
'-include', os.path.join(support_path, 'nasty_macros.hpp')]
self.configure_config_site_header()
cxx_headers = self.get_lit_conf('cxx_headers')
if cxx_headers == '' or (cxx_headers is None
and self.cxx_stdlib_under_test != 'libc++'):
self.lit_config.note('using the system cxx headers')
return
self.cxx.compile_flags += ['-nostdinc++']
if cxx_headers is None:
cxx_headers = os.path.join(self.libcxx_src_root, 'include')
if not os.path.isdir(cxx_headers):
self.lit_config.fatal("cxx_headers='%s' is not a directory."
% cxx_headers)
self.cxx.compile_flags += ['-I' + cxx_headers]
if self.libcxx_obj_root is not None:
cxxabi_headers = os.path.join(self.libcxx_obj_root, 'include',
'c++-build')
if os.path.isdir(cxxabi_headers):
self.cxx.compile_flags += ['-I' + cxxabi_headers]
def configure_config_site_header(self):
# Check for a possible __config_site in the build directory. We
# use this if it exists.