# 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.
import os.path
from .. import coredata
from ..mesonlib import version_compare
from .c import CCompiler, VisualStudioCCompiler
from .compilers import (
GCC_MINGW,
gnu_winlibs,
msvc_winlibs,
ClangCompiler,
GnuCompiler,
IntelCompiler,
)
class CPPCompiler(CCompiler):
def __init__(self, exelist, version, is_cross, exe_wrap):
# If a child ObjCPP class has already set it, don't set it ourselves
if not hasattr(self, 'language'):
self.language = 'cpp'
CCompiler.__init__(self, exelist, version, is_cross, exe_wrap)
def get_display_language(self):
return 'C++'
def get_no_stdinc_args(self):
return ['-nostdinc++']
def sanity_check(self, work_dir, environment):
code = 'class breakCCompiler;int main(int argc, char **argv) { return 0; }\n'
return self.sanity_check_impl(work_dir, environment, 'sanitycheckcpp.cc', code)
def get_compiler_check_args(self):
# -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() + ['-fpermissive']
def has_header_symbol(self, hname, symbol, prefix, env, extra_args=None, dependencies=None):
# Check if it's a C-like symbol
if super().has_header_symbol(hname, symbol, prefix, env, extra_args, dependencies):
return True
# Check if it's a class or a template
if extra_args is None:
extra_args = []
fargs = {'prefix': prefix, 'header': hname, 'symbol': symbol}
t = '''{prefix}
#include <{header}>
using {symbol};
int main () {{ return 0; }}'''
return self.compiles(t.format(**fargs), env, extra_args, dependencies)
class ClangCPPCompiler(ClangCompiler, CPPCompiler):
def __init__(self, exelist, version, cltype, is_cross, exe_wrapper=None):
CPPCompiler.__init__(self, exelist, version, is_cross, exe_wrapper)
ClangCompiler.__init__(self, cltype)
default_warn_args = ['-Wall', '-Winvalid-pch', '-Wnon-virtual-dtor']
self.warn_args = {'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic']}
def get_options(self):
return {'cpp_std': coredata.UserComboOption('cpp_std', 'C++ language standard to use',
['none', 'c++98', 'c++03', 'c++11', 'c++14', 'c++1z',
'gnu++11', 'gnu++14', 'gnu++1z'],
'none')}
def get_option_compile_args(self, options):
args = []
std = options['cpp_std']
if std.value != 'none':
args.append('-std=' + std.value)
return args
def get_option_link_args(self, options):
return []
class GnuCPPCompiler(GnuCompiler, CPPCompiler):
def __init__(self, exelist, version, gcc_type, is_cross, exe_wrap, defines):
CPPCompiler.__init__(self, exelist, version, is_cross, exe_wrap)
GnuCompiler.__init__(self, gcc_type, defines)
default_warn_args = ['-Wall', '-Winvalid-pch', '-Wnon-virtual-dtor']
self.warn_args = {'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic']}
def get_options(self):
opts = {'cpp_std': coredata.UserComboOption('cpp_std', 'C++ language standard to use',
['none', 'c++98', 'c++03', 'c++11', 'c++14', 'c++1z',
'gnu++03', 'gnu++11', 'gnu++14', 'gnu++1z'],
'none'),
'cpp_debugstl': coredata.UserBooleanOption('cpp_debugstl',
'STL debug mode',
False)}
if self.gcc_type == GCC_MINGW:
opts.update({
'cpp_winlibs': coredata.UserStringArrayOption('cpp_winlibs', 'Standard Win libraries to link against',
gnu_winlibs), })
return opts
def get_option_compile_args(self, options):
args = []
std = options['cpp_std']
if std.value != 'none':
args.append('-std=' + std.value)
if options['cpp_debugstl'].value:
args.append('-D_GLIBCXX_DEBUG=1')
return args
def get_option_link_args(self, options):
if self.gcc_type == GCC_MINGW:
return options['cpp_winlibs'].value[:]
return []
def get_pch_use_args(self, pch_dir, header):
return ['-fpch-preprocess', '-include', os.path.split(header)[-1]]
class IntelCPPCompiler(IntelCompiler, CPPCompiler):
def __init__(self, exelist, version, icc_type, is_cross, exe_wrap):
CPPCompiler.__init__(self, exelist, version, is_cross, exe_wrap)
IntelCompiler.__init__(self, icc_type)
self.lang_header = 'c++-header'
default_warn_args = ['-Wall', '-w3', '-diag-disable:remark',
'-Wpch-messages', '-Wnon-virtual-dtor']
self.warn_args = {'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic']}
def get_options(self):
c_stds = []
g_stds = ['gnu++98']
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']
opts = {'cpp_std': coredata.UserComboOption('cpp_std', 'C++ language standard to use',
['none'] + c_stds + g_stds,
'none'),
'cpp_debugstl': coredata.UserBooleanOption('cpp_debugstl',
'STL debug mode',
False)}
return opts
def get_option_compile_args(self, options):
args = []
std = options['cpp_std']
if std.value != 'none':
args.append('-std=' + std.value)
if options['cpp_debugstl'].value:
args.append('-D_GLIBCXX_DEBUG=1')
return args
def get_option_link_args(self, options):
return []
def has_multi_arguments(self, args, env):
return super().has_multi_arguments(args + ['-diag-error', '10006'], env)
class VisualStudioCPPCompiler(VisualStudioCCompiler, CPPCompiler):
def __init__(self, exelist, version, is_cross, exe_wrap, is_64):
self.language = 'cpp'
VisualStudioCCompiler.__init__(self, exelist, version, is_cross, exe_wrap, is_64)
self.base_options = ['b_pch'] # FIXME add lto, pgo and the like
def get_options(self):
return {'cpp_eh': coredata.UserComboOption('cpp_eh',
'C++ exception handling type.',
['none', 'a', 's', 'sc'],
'sc'),
'cpp_winlibs': coredata.UserStringArrayOption('cpp_winlibs',
'Windows libs to link against.',
msvc_winlibs)
}
def get_option_compile_args(self, options):
args = []
std = options['cpp_eh']
if std.value != 'none':
args.append('/EH' + std.value)
return args
def get_option_link_args(self, options):
return options['cpp_winlibs'].value[:]
def get_compiler_check_args(self):
# Visual Studio C++ compiler doesn't support -fpermissive,
# so just use the plain C args.
return super(VisualStudioCCompiler, self).get_compiler_check_args()