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# Copyright 2012-2017 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
import copy
import functools
import os.path
import typing as T
from .. import coredata
from .. import mlog
from ..mesonlib import MesonException, version_compare, OptionKey
from .compilers import (
gnu_winlibs,
msvc_winlibs,
Compiler,
CompileCheckMode,
)
from .c_function_attributes import CXX_FUNC_ATTRIBUTES, C_FUNC_ATTRIBUTES
from .mixins.clike import CLikeCompiler
from .mixins.ccrx import CcrxCompiler
from .mixins.ti import TICompiler
from .mixins.arm import ArmCompiler, ArmclangCompiler
from .mixins.visualstudio import MSVCCompiler, ClangClCompiler
from .mixins.gnu import GnuCompiler, gnu_common_warning_args, gnu_cpp_warning_args
from .mixins.intel import IntelGnuLikeCompiler, IntelVisualStudioLikeCompiler
from .mixins.clang import ClangCompiler
from .mixins.elbrus import ElbrusCompiler
from .mixins.pgi import PGICompiler
from .mixins.emscripten import EmscriptenMixin
from .mixins.metrowerks import MetrowerksCompiler
from .mixins.metrowerks import mwccarm_instruction_set_args, mwcceppc_instruction_set_args
if T.TYPE_CHECKING:
from ..coredata import MutableKeyedOptionDictType, KeyedOptionDictType
from ..dependencies import Dependency
from ..envconfig import MachineInfo
from ..environment import Environment
from ..linkers.linkers import DynamicLinker
from ..mesonlib import MachineChoice
from ..programs import ExternalProgram
CompilerMixinBase = CLikeCompiler
else:
CompilerMixinBase = object
def non_msvc_eh_options(eh: str, args: T.List[str]) -> None:
if eh == 'none':
args.append('-fno-exceptions')
elif eh in {'s', 'c'}:
mlog.warning(f'non-MSVC compilers do not support {eh} exception handling. '
'You may want to set eh to \'default\'.', fatal=False)
class CPPCompiler(CLikeCompiler, Compiler):
def attribute_check_func(self, name: str) -> str:
try:
return CXX_FUNC_ATTRIBUTES.get(name, C_FUNC_ATTRIBUTES[name])
except KeyError:
raise MesonException(f'Unknown function attribute "{name}"')
language = 'cpp'
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
# If a child ObjCPP class has already set it, don't set it ourselves
Compiler.__init__(self, ccache, exelist, version, for_machine, info,
is_cross=is_cross, linker=linker,
full_version=full_version)
CLikeCompiler.__init__(self, exe_wrapper)
@staticmethod
def get_display_language() -> str:
return 'C++'
def get_no_stdinc_args(self) -> T.List[str]:
return ['-nostdinc++']
def sanity_check(self, work_dir: str, environment: 'Environment') -> None:
code = 'class breakCCompiler;int main(void) { return 0; }\n'
return self._sanity_check_impl(work_dir, environment, 'sanitycheckcpp.cc', code)
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
# -fpermissive allows non-conforming code to compile which is necessary
# for many C++ checks. Particularly, the has_header_symbol check is
# too strict without this and always fails.
return super().get_compiler_check_args(mode) + ['-fpermissive']
def has_header_symbol(self, hname: str, symbol: str, prefix: str,
env: 'Environment', *,
extra_args: T.Union[None, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]] = None,
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]:
# Check if it's a C-like symbol
found, cached = super().has_header_symbol(hname, symbol, prefix, env,
extra_args=extra_args,
dependencies=dependencies)
if found:
return True, cached
# Check if it's a class or a template
if extra_args is None:
extra_args = []
t = f'''{prefix}
#include <{hname}>
using {symbol};
int main(void) {{ return 0; }}'''
return self.compiles(t, env, extra_args=extra_args,
dependencies=dependencies)
def _test_cpp_std_arg(self, cpp_std_value: str) -> bool:
# Test whether the compiler understands a -std=XY argument
assert cpp_std_value.startswith('-std=')
# This test does not use has_multi_arguments() for two reasons:
# 1. has_multi_arguments() requires an env argument, which the compiler
# object does not have at this point.
# 2. even if it did have an env object, that might contain another more
# recent -std= argument, which might lead to a cascaded failure.
CPP_TEST = 'int i = static_cast<int>(0);'
with self.compile(CPP_TEST, extra_args=[cpp_std_value], mode=CompileCheckMode.COMPILE) as p:
if p.returncode == 0:
mlog.debug(f'Compiler accepts {cpp_std_value}:', 'YES')
return True
else:
mlog.debug(f'Compiler accepts {cpp_std_value}:', 'NO')
return False
@functools.lru_cache()
def _find_best_cpp_std(self, cpp_std: str) -> str:
# The initial version mapping approach to make falling back
# from '-std=c++14' to '-std=c++1y' was too brittle. For instance,
# Apple's Clang uses a different versioning scheme to upstream LLVM,
# making the whole detection logic awfully brittle. Instead, let's
# just see if feeding GCC or Clang our '-std=' setting works, and
# if not, try the fallback argument.
CPP_FALLBACKS = {
'c++11': 'c++0x',
'gnu++11': 'gnu++0x',
'c++14': 'c++1y',
'gnu++14': 'gnu++1y',
'c++17': 'c++1z',
'gnu++17': 'gnu++1z',
'c++20': 'c++2a',
'gnu++20': 'gnu++2a',
}
# Currently, remapping is only supported for Clang, Elbrus and GCC
assert self.id in frozenset(['clang', 'lcc', 'gcc', 'emscripten', 'armltdclang', 'intel-llvm'])
if cpp_std not in CPP_FALLBACKS:
# 'c++03' and 'c++98' don't have fallback types
return '-std=' + cpp_std
for i in (cpp_std, CPP_FALLBACKS[cpp_std]):
cpp_std_value = '-std=' + i
if self._test_cpp_std_arg(cpp_std_value):
return cpp_std_value
raise MesonException(f'C++ Compiler does not support -std={cpp_std}')
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = super().get_options()
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts.update({
key: coredata.UserComboOption(
'C++ language standard to use',
['none'],
'none',
),
})
return opts
class _StdCPPLibMixin(CompilerMixinBase):
"""Detect whether to use libc++ or libstdc++."""
@functools.lru_cache(None)
def language_stdlib_only_link_flags(self, env: Environment) -> T.List[str]:
"""Detect the C++ stdlib and default search dirs
As an optimization, this method will cache the value, to avoid building the same values over and over
:param env: An Environment object
:raises MesonException: If a stdlib cannot be determined
"""
# We need to apply the search prefix here, as these link arguments may
# be passed to a different compiler with a different set of default
# search paths, such as when using Clang for C/C++ and gfortran for
# fortran.
search_dirs = [f'-L{d}' for d in self.get_compiler_dirs(env, 'libraries')]
machine = env.machines[self.for_machine]
assert machine is not None, 'for mypy'
# We need to determine whether to us libc++ or libstdc++ In some cases
# we know the answer, so we'll hardcode those cases. There are other
# cases where we can't know the answer just by looking at the OS, namely
# on Linux. In that case we have to fallback to manually checking
stdlib: str
if machine.system in {'android', 'darwin', 'dragonfly', 'freebsd', 'netbsd', 'openbsd'}:
stdlib = 'c++'
elif self.find_library('c++', env, []) is not None:
stdlib = 'c++'
elif self.find_library('stdc++', env, []) is not None:
stdlib = 'stdc++'
else:
# TODO: maybe a bug exception?
raise MesonException('Could not detect either libc++ or libstdc++ as your C++ stdlib implementation.')
return search_dirs + [f'-l{stdlib}']
class ClangCPPCompiler(_StdCPPLibMixin, ClangCompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
defines: T.Optional[T.Dict[str, str]] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
ClangCompiler.__init__(self, defines)
default_warn_args = ['-Wall', '-Winvalid-pch']
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic'],
'everything': ['-Weverything']}
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
key = OptionKey('key', machine=self.for_machine, lang=self.language)
opts.update({
key.evolve('eh'): coredata.UserComboOption(
'C++ exception handling type.',
['none', 'default', 'a', 's', 'sc'],
'default',
),
key.evolve('rtti'): coredata.UserBooleanOption('Enable RTTI', True),
})
opts[key.evolve('std')].choices = [
'none', 'c++98', 'c++03', 'c++11', 'c++14', 'c++17', 'c++1z',
'c++2a', 'c++20', 'gnu++11', 'gnu++14', 'gnu++17', 'gnu++1z',
'gnu++2a', 'gnu++20',
]
if self.info.is_windows() or self.info.is_cygwin():
opts.update({
key.evolve('winlibs'): coredata.UserArrayOption(
'Standard Win libraries to link against',
gnu_winlibs,
),
})
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
args.append(self._find_best_cpp_std(std.value))
non_msvc_eh_options(options[key.evolve('eh')].value, args)
if not options[key.evolve('rtti')].value:
args.append('-fno-rtti')
return args
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
if self.info.is_windows() or self.info.is_cygwin():
# without a typedict mypy can't understand this.
key = OptionKey('winlibs', machine=self.for_machine, lang=self.language)
libs = options[key].value.copy()
assert isinstance(libs, list)
for l in libs:
assert isinstance(l, str)
return libs
return []
class ArmLtdClangCPPCompiler(ClangCPPCompiler):
id = 'armltdclang'
class AppleClangCPPCompiler(ClangCPPCompiler):
pass
class EmscriptenCPPCompiler(EmscriptenMixin, ClangCPPCompiler):
id = 'emscripten'
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
defines: T.Optional[T.Dict[str, str]] = None,
full_version: T.Optional[str] = None):
if not is_cross:
raise MesonException('Emscripten compiler can only be used for cross compilation.')
if not version_compare(version, '>=1.39.19'):
raise MesonException('Meson requires Emscripten >= 1.39.19')
ClangCPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper=exe_wrapper, linker=linker,
defines=defines, full_version=full_version)
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
args.append(self._find_best_cpp_std(std.value))
return args
class ArmclangCPPCompiler(ArmclangCompiler, CPPCompiler):
'''
Keil armclang
'''
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
ArmclangCompiler.__init__(self)
default_warn_args = ['-Wall', '-Winvalid-pch']
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic'],
'everything': ['-Weverything']}
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts.update({
key.evolve('eh'): coredata.UserComboOption(
'C++ exception handling type.',
['none', 'default', 'a', 's', 'sc'],
'default',
),
})
opts[key].choices = [
'none', 'c++98', 'c++03', 'c++11', 'c++14', 'c++17', 'gnu++98',
'gnu++03', 'gnu++11', 'gnu++14', 'gnu++17',
]
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
args.append('-std=' + std.value)
non_msvc_eh_options(options[key.evolve('eh')].value, args)
return args
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
return []
class GnuCPPCompiler(_StdCPPLibMixin, GnuCompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
defines: T.Optional[T.Dict[str, str]] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
GnuCompiler.__init__(self, defines)
default_warn_args = ['-Wall', '-Winvalid-pch']
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic'],
'everything': (default_warn_args + ['-Wextra', '-Wpedantic'] +
self.supported_warn_args(gnu_common_warning_args) +
self.supported_warn_args(gnu_cpp_warning_args))}
def get_options(self) -> 'MutableKeyedOptionDictType':
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts = CPPCompiler.get_options(self)
opts.update({
key.evolve('eh'): coredata.UserComboOption(
'C++ exception handling type.',
['none', 'default', 'a', 's', 'sc'],
'default',
),
key.evolve('rtti'): coredata.UserBooleanOption('Enable RTTI', True),
key.evolve('debugstl'): coredata.UserBooleanOption(
'STL debug mode',
False,
)
})
cppstd_choices = [
'none', 'c++98', 'c++03', 'c++11', 'c++14', 'c++17', 'c++1z',
'c++2a', 'c++20', 'gnu++03', 'gnu++11', 'gnu++14', 'gnu++17',
'gnu++1z', 'gnu++2a', 'gnu++20',
]
if version_compare(self.version, '>=12.2.0'):
cppstd_choices.append('c++23')
cppstd_choices.append('gnu++23')
opts[key].choices = cppstd_choices
if self.info.is_windows() or self.info.is_cygwin():
opts.update({
key.evolve('winlibs'): coredata.UserArrayOption(
'Standard Win libraries to link against',
gnu_winlibs,
),
})
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
args.append(self._find_best_cpp_std(std.value))
non_msvc_eh_options(options[key.evolve('eh')].value, args)
if not options[key.evolve('rtti')].value:
args.append('-fno-rtti')
if options[key.evolve('debugstl')].value:
args.append('-D_GLIBCXX_DEBUG=1')
return args
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
if self.info.is_windows() or self.info.is_cygwin():
# without a typedict mypy can't understand this.
key = OptionKey('winlibs', machine=self.for_machine, lang=self.language)
libs = options[key].value.copy()
assert isinstance(libs, list)
for l in libs:
assert isinstance(l, str)
return libs
return []
def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
return ['-fpch-preprocess', '-include', os.path.basename(header)]
class PGICPPCompiler(PGICompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
PGICompiler.__init__(self)
class NvidiaHPC_CPPCompiler(PGICompiler, CPPCompiler):
id = 'nvidia_hpc'
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
PGICompiler.__init__(self)
class ElbrusCPPCompiler(ElbrusCompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
defines: T.Optional[T.Dict[str, str]] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
ElbrusCompiler.__init__(self)
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
cpp_stds = ['none', 'c++98', 'gnu++98']
if version_compare(self.version, '>=1.20.00'):
cpp_stds += ['c++03', 'c++0x', 'c++11', 'gnu++03', 'gnu++0x', 'gnu++11']
if version_compare(self.version, '>=1.21.00') and version_compare(self.version, '<1.22.00'):
cpp_stds += ['c++14', 'gnu++14', 'c++1y', 'gnu++1y']
if version_compare(self.version, '>=1.22.00'):
cpp_stds += ['c++14', 'gnu++14']
if version_compare(self.version, '>=1.23.00'):
cpp_stds += ['c++1y', 'gnu++1y']
if version_compare(self.version, '>=1.24.00'):
cpp_stds += ['c++1z', 'c++17', 'gnu++1z', 'gnu++17']
if version_compare(self.version, '>=1.25.00'):
cpp_stds += ['c++2a', 'gnu++2a']
if version_compare(self.version, '>=1.26.00'):
cpp_stds += ['c++20', 'gnu++20']
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts.update({
key.evolve('eh'): coredata.UserComboOption(
'C++ exception handling type.',
['none', 'default', 'a', 's', 'sc'],
'default',
),
key.evolve('debugstl'): coredata.UserBooleanOption(
'STL debug mode',
False,
),
})
opts[key].choices = cpp_stds
return opts
# Elbrus C++ compiler does not have lchmod, but there is only linker warning, not compiler error.
# So we should explicitly fail at this case.
def has_function(self, funcname: str, prefix: str, env: 'Environment', *,
extra_args: T.Optional[T.List[str]] = None,
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]:
if funcname == 'lchmod':
return False, False
else:
return super().has_function(funcname, prefix, env,
extra_args=extra_args,
dependencies=dependencies)
# Elbrus C++ compiler does not support RTTI, so don't check for it.
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
args.append(self._find_best_cpp_std(std.value))
non_msvc_eh_options(options[key.evolve('eh')].value, args)
if options[key.evolve('debugstl')].value:
args.append('-D_GLIBCXX_DEBUG=1')
return args
class IntelCPPCompiler(IntelGnuLikeCompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
IntelGnuLikeCompiler.__init__(self)
self.lang_header = 'c++-header'
default_warn_args = ['-Wall', '-w3', '-Wpch-messages']
self.warn_args = {'0': [],
'1': default_warn_args + ['-diag-disable:remark'],
'2': default_warn_args + ['-Wextra', '-diag-disable:remark'],
'3': default_warn_args + ['-Wextra', '-diag-disable:remark'],
'everything': default_warn_args + ['-Wextra']}
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
# Every Unix compiler under the sun seems to accept -std=c++03,
# with the exception of ICC. Instead of preventing the user from
# globally requesting C++03, we transparently remap it to C++98
c_stds = ['c++98', 'c++03']
g_stds = ['gnu++98', 'gnu++03']
if version_compare(self.version, '>=15.0.0'):
c_stds += ['c++11', 'c++14']
g_stds += ['gnu++11']
if version_compare(self.version, '>=16.0.0'):
c_stds += ['c++17']
if version_compare(self.version, '>=17.0.0'):
g_stds += ['gnu++14']
if version_compare(self.version, '>=19.1.0'):
c_stds += ['c++2a']
g_stds += ['gnu++2a']
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts.update({
key.evolve('eh'): coredata.UserComboOption(
'C++ exception handling type.',
['none', 'default', 'a', 's', 'sc'],
'default',
),
key.evolve('rtti'): coredata.UserBooleanOption('Enable RTTI', True),
key.evolve('debugstl'): coredata.UserBooleanOption('STL debug mode', False),
})
opts[key].choices = ['none'] + c_stds + g_stds
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
remap_cpp03 = {
'c++03': 'c++98',
'gnu++03': 'gnu++98'
}
args.append('-std=' + remap_cpp03.get(std.value, std.value))
if options[key.evolve('eh')].value == 'none':
args.append('-fno-exceptions')
if not options[key.evolve('rtti')].value:
args.append('-fno-rtti')
if options[key.evolve('debugstl')].value:
args.append('-D_GLIBCXX_DEBUG=1')
return args
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
return []
class IntelLLVMCPPCompiler(ClangCPPCompiler):
id = 'intel-llvm'
class VisualStudioLikeCPPCompilerMixin(CompilerMixinBase):
"""Mixin for C++ specific method overrides in MSVC-like compilers."""
VC_VERSION_MAP = {
'none': (True, None),
'vc++11': (True, 11),
'vc++14': (True, 14),
'vc++17': (True, 17),
'vc++20': (True, 20),
'vc++latest': (True, "latest"),
'c++11': (False, 11),
'c++14': (False, 14),
'c++17': (False, 17),
'c++20': (False, 20),
'c++latest': (False, "latest"),
}
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
# need a typeddict for this
key = OptionKey('winlibs', machine=self.for_machine, lang=self.language)
return T.cast('T.List[str]', options[key].value[:])
def _get_options_impl(self, opts: 'MutableKeyedOptionDictType', cpp_stds: T.List[str]) -> 'MutableKeyedOptionDictType':
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts.update({
key.evolve('eh'): coredata.UserComboOption(
'C++ exception handling type.',
['none', 'default', 'a', 's', 'sc'],
'default',
),
key.evolve('rtti'): coredata.UserBooleanOption('Enable RTTI', True),
key.evolve('winlibs'): coredata.UserArrayOption(
'Windows libs to link against.',
msvc_winlibs,
),
})
opts[key.evolve('std')].choices = cpp_stds
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
eh = options[key.evolve('eh')]
if eh.value == 'default':
args.append('/EHsc')
elif eh.value == 'none':
args.append('/EHs-c-')
else:
args.append('/EH' + eh.value)
if not options[key.evolve('rtti')].value:
args.append('/GR-')
permissive, ver = self.VC_VERSION_MAP[options[key].value]
if ver is not None:
args.append(f'/std:c++{ver}')
if not permissive:
args.append('/permissive-')
return args
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
# XXX: this is a hack because so much GnuLike stuff is in the base CPPCompiler class.
return Compiler.get_compiler_check_args(self, mode)
class CPP11AsCPP14Mixin(CompilerMixinBase):
"""Mixin class for VisualStudio and ClangCl to replace C++11 std with C++14.
This is a limitation of Clang and MSVC that ICL doesn't share.
"""
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
# Note: there is no explicit flag for supporting C++11; we attempt to do the best we can
# which means setting the C++ standard version to C++14, in compilers that support it
# (i.e., after VS2015U3)
# if one is using anything before that point, one cannot set the standard.
key = OptionKey('std', machine=self.for_machine, lang=self.language)
if options[key].value in {'vc++11', 'c++11'}:
mlog.warning(self.id, 'does not support C++11;',
'attempting best effort; setting the standard to C++14',
once=True, fatal=False)
# Don't mutate anything we're going to change, we need to use
# deepcopy since we're messing with members, and we can't simply
# copy the members because the option proxy doesn't support it.
options = copy.deepcopy(options)
if options[key].value == 'vc++11':
options[key].value = 'vc++14'
else:
options[key].value = 'c++14'
return super().get_option_compile_args(options)
class VisualStudioCPPCompiler(CPP11AsCPP14Mixin, VisualStudioLikeCPPCompilerMixin, MSVCCompiler, CPPCompiler):
id = 'msvc'
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo', target: str,
exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
MSVCCompiler.__init__(self, target)
# By default, MSVC has a broken __cplusplus define that pretends to be c++98:
# https://docs.microsoft.com/en-us/cpp/build/reference/zc-cplusplus?view=msvc-160
# Pass the flag to enable a truthful define, if possible.
if version_compare(self.version, '>= 19.14.26428'):
self.always_args = self.always_args + ['/Zc:__cplusplus']
def get_options(self) -> 'MutableKeyedOptionDictType':
cpp_stds = ['none', 'c++11', 'vc++11']
# Visual Studio 2015 and later
if version_compare(self.version, '>=19'):
cpp_stds.extend(['c++14', 'c++latest', 'vc++latest'])
# Visual Studio 2017 and later
if version_compare(self.version, '>=19.11'):
cpp_stds.extend(['vc++14', 'c++17', 'vc++17'])
if version_compare(self.version, '>=19.29'):
cpp_stds.extend(['c++20', 'vc++20'])
return self._get_options_impl(super().get_options(), cpp_stds)
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
key = OptionKey('std', machine=self.for_machine, lang=self.language)
if options[key].value != 'none' and version_compare(self.version, '<19.00.24210'):
mlog.warning('This version of MSVC does not support cpp_std arguments', fatal=False)
options = copy.copy(options)
options[key].value = 'none'
args = super().get_option_compile_args(options)
if version_compare(self.version, '<19.11'):
try:
i = args.index('/permissive-')
except ValueError:
return args
del args[i]
return args
class ClangClCPPCompiler(CPP11AsCPP14Mixin, VisualStudioLikeCPPCompilerMixin, ClangClCompiler, CPPCompiler):
id = 'clang-cl'
def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo', target: str,
exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, [], exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
ClangClCompiler.__init__(self, target)
def get_options(self) -> 'MutableKeyedOptionDictType':
cpp_stds = ['none', 'c++11', 'vc++11', 'c++14', 'vc++14', 'c++17', 'vc++17', 'c++20', 'vc++20', 'c++latest']
return self._get_options_impl(super().get_options(), cpp_stds)
class IntelClCPPCompiler(VisualStudioLikeCPPCompilerMixin, IntelVisualStudioLikeCompiler, CPPCompiler):
def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo', target: str,
exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, [], exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
IntelVisualStudioLikeCompiler.__init__(self, target)
def get_options(self) -> 'MutableKeyedOptionDictType':
# This has only been tested with version 19.0,
cpp_stds = ['none', 'c++11', 'vc++11', 'c++14', 'vc++14', 'c++17', 'vc++17', 'c++latest']
return self._get_options_impl(super().get_options(), cpp_stds)
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
# XXX: this is a hack because so much GnuLike stuff is in the base CPPCompiler class.
return IntelVisualStudioLikeCompiler.get_compiler_check_args(self, mode)
class IntelLLVMClCPPCompiler(IntelClCPPCompiler):
id = 'intel-llvm-cl'
class ArmCPPCompiler(ArmCompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
ArmCompiler.__init__(self)
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts[key].choices = ['none', 'c++03', 'c++11']
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value == 'c++11':
args.append('--cpp11')
elif std.value == 'c++03':
args.append('--cpp')
return args
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
return []
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
return []
class CcrxCPPCompiler(CcrxCompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
CcrxCompiler.__init__(self)
# Override CCompiler.get_always_args
def get_always_args(self) -> T.List[str]:
return ['-nologo', '-lang=cpp']
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
return []
def get_compile_only_args(self) -> T.List[str]:
return []
def get_output_args(self, target: str) -> T.List[str]:
return [f'-output=obj={target}']
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
return []
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
return []
class TICPPCompiler(TICompiler, CPPCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
TICompiler.__init__(self)
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts[key].choices = ['none', 'c++03']
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
args.append('--' + std.value)
return args
def get_always_args(self) -> T.List[str]:
return []
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
return []
class C2000CPPCompiler(TICPPCompiler):
# Required for backwards compat with projects created before ti-cgt support existed
id = 'c2000'
class MetrowerksCPPCompilerARM(MetrowerksCompiler, CPPCompiler):
id = 'mwccarm'
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo',
exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
MetrowerksCompiler.__init__(self)
def get_instruction_set_args(self, instruction_set: str) -> T.Optional[T.List[str]]:
return mwccarm_instruction_set_args.get(instruction_set, None)
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts[key].choices = ['none']
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
std = options[OptionKey('std', machine=self.for_machine, lang=self.language)]
if std.value != 'none':
args.append('-lang')
args.append(std.value)
return args
class MetrowerksCPPCompilerEmbeddedPowerPC(MetrowerksCompiler, CPPCompiler):
id = 'mwcceppc'
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo',
exe_wrapper: T.Optional['ExternalProgram'] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
CPPCompiler.__init__(self, ccache, exelist, version, for_machine, is_cross,
info, exe_wrapper, linker=linker, full_version=full_version)
MetrowerksCompiler.__init__(self)
def get_instruction_set_args(self, instruction_set: str) -> T.Optional[T.List[str]]:
return mwcceppc_instruction_set_args.get(instruction_set, None)
def get_options(self) -> 'MutableKeyedOptionDictType':
opts = CPPCompiler.get_options(self)
key = OptionKey('std', machine=self.for_machine, lang=self.language)
opts[key].choices = ['none']
return opts
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
std = options[OptionKey('std', machine=self.for_machine, lang=self.language)]
if std.value != 'none':
args.append('-lang ' + std.value)
return args