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# Copyright 2015 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
from .. import mlog
from .. import mesonlib, dependencies, build
from ..mesonlib import MesonException, extract_as_list
from . import get_include_args
from . import ModuleReturnValue
from . import ExtensionModule
from ..interpreterbase import permittedKwargs, FeatureNewKwargs
class WindowsModule(ExtensionModule):
def detect_compiler(self, compilers):
for l in ('c', 'cpp'):
if l in compilers:
return compilers[l]
raise MesonException('Resource compilation requires a C or C++ compiler.')
@FeatureNewKwargs('windows.compile_resources', '0.47.0', ['depend_files'])
@permittedKwargs({'args', 'include_directories', 'depend_files'})
def compile_resources(self, state, args, kwargs):
comp = self.detect_compiler(state.compilers)
extra_args = mesonlib.stringlistify(kwargs.get('args', []))
wrc_deps = extract_as_list(kwargs, 'depend_files', pop = True)
inc_dirs = extract_as_list(kwargs, 'include_directories', pop = True)
for incd in inc_dirs:
if not isinstance(incd.held_object, (str, build.IncludeDirs)):
raise MesonException('Resource include dirs should be include_directories().')
extra_args += get_include_args(inc_dirs)
if comp.id == 'msvc':
rescomp = dependencies.ExternalProgram('rc', silent=True)
res_args = extra_args + ['/nologo', '/fo@OUTPUT@', '@INPUT@']
suffix = 'res'
else:
m = 'Argument {!r} has a space which may not work with windres due to ' \
'a MinGW bug: https://sourceware.org/bugzilla/show_bug.cgi?id=4933'
for arg in extra_args:
if ' ' in arg:
mlog.warning(m.format(arg))
rescomp_name = None
# FIXME: Does not handle `native: true` executables, see
# https://github.com/mesonbuild/meson/issues/1531
if state.environment.is_cross_build():
# If cross compiling see if windres has been specified in the
# cross file before trying to find it another way.
rescomp_name = state.environment.cross_info.config['binaries'].get('windres')
if rescomp_name is None:
# Pick-up env var WINDRES if set. This is often used for
# specifying an arch-specific windres.
rescomp_name = os.environ.get('WINDRES', 'windres')
rescomp = dependencies.ExternalProgram(rescomp_name, silent=True)
res_args = extra_args + ['@INPUT@', '@OUTPUT@']
suffix = 'o'
if not rescomp.found():
raise MesonException('Could not find Windows resource compiler "%s".' % rescomp_name)
res_targets = []
def add_target(src):
if isinstance(src, list):
for subsrc in src:
add_target(subsrc)
return
if hasattr(src, 'held_object'):
src = src.held_object
res_kwargs = {
'output': '@BASENAME@.' + suffix,
'input': [src],
'command': [rescomp] + res_args,
'depend_files': wrc_deps,
}
if isinstance(src, (str, mesonlib.File)):
name = 'file {!r}'.format(str(src))
elif isinstance(src, build.CustomTarget):
if len(src.get_outputs()) > 1:
raise MesonException('windows.compile_resources does not accept custom targets with more than 1 output.')
name = 'target {!r}'.format(src.get_id())
else:
raise MesonException('Unexpected source type {!r}. windows.compile_resources accepts only strings, files, custom targets, and lists thereof.'.format(src))
# Path separators are not allowed in target names
name = name.replace('/', '_').replace('\\', '_')
# instruct binutils windres to generate a preprocessor depfile
if comp.id != 'msvc':
res_kwargs['depfile'] = res_kwargs['output'] + '.d'
res_kwargs['command'] += ['--preprocessor-arg=-MD', '--preprocessor-arg=-MQ@OUTPUT@', '--preprocessor-arg=-MF@DEPFILE@']
res_targets.append(build.CustomTarget('Windows resource for ' + name, state.subdir, state.subproject, res_kwargs))
add_target(args)
return ModuleReturnValue(res_targets, [res_targets])
def initialize(*args, **kwargs):
return WindowsModule(*args, **kwargs)
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