The Meson Build System
http://mesonbuild.com/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
6.8 KiB
138 lines
6.8 KiB
# 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 build |
|
from ..mesonlib import MesonException, Popen_safe, extract_as_list |
|
from ..dependencies import Qt4Dependency, Qt5Dependency |
|
import xml.etree.ElementTree as ET |
|
from . import ModuleReturnValue, get_include_args |
|
from ..interpreterbase import permittedKwargs |
|
|
|
_QT_DEPS_LUT = { |
|
4: Qt4Dependency, |
|
5: Qt5Dependency |
|
} |
|
|
|
|
|
class QtBaseModule: |
|
tools_detected = False |
|
|
|
def __init__(self, qt_version=5): |
|
self.qt_version = qt_version |
|
|
|
def _detect_tools(self, env, method): |
|
if self.tools_detected: |
|
return |
|
mlog.log('Detecting Qt{version} tools'.format(version=self.qt_version)) |
|
# FIXME: We currently require QtX to exist while importing the module. |
|
# We should make it gracefully degrade and not create any targets if |
|
# the import is marked as 'optional' (not implemented yet) |
|
kwargs = {'required': 'true', 'modules': 'Core', 'silent': 'true', 'method': method} |
|
qt = _QT_DEPS_LUT[self.qt_version](env, kwargs) |
|
# Get all tools and then make sure that they are the right version |
|
self.moc, self.uic, self.rcc = qt.compilers_detect() |
|
# Moc, uic and rcc write their version strings to stderr. |
|
# Moc and rcc return a non-zero result when doing so. |
|
# What kind of an idiot thought that was a good idea? |
|
for compiler, compiler_name in ((self.moc, "Moc"), (self.uic, "Uic"), (self.rcc, "Rcc")): |
|
if compiler.found(): |
|
stdout, stderr = Popen_safe(compiler.get_command() + ['-v'])[1:3] |
|
stdout = stdout.strip() |
|
stderr = stderr.strip() |
|
if 'Qt {}'.format(self.qt_version) in stderr: |
|
compiler_ver = stderr |
|
elif 'version {}.'.format(self.qt_version) in stderr: |
|
compiler_ver = stderr |
|
elif ' {}.'.format(self.qt_version) in stdout: |
|
compiler_ver = stdout |
|
else: |
|
raise MesonException('{name} preprocessor is not for Qt {version}. Output:\n{stdo}\n{stderr}'.format( |
|
name=compiler_name, version=self.qt_version, stdo=stdout, stderr=stderr)) |
|
mlog.log(' {}:'.format(compiler_name.lower()), mlog.green('YES'), '({path}, {version})'.format( |
|
path=self.moc.get_path(), version=compiler_ver.split()[-1])) |
|
else: |
|
mlog.log(' {}:'.format(compiler_name.lower()), mlog.red('NO')) |
|
self.tools_detected = True |
|
|
|
def parse_qrc(self, state, fname): |
|
abspath = os.path.join(state.environment.source_dir, state.subdir, fname) |
|
relative_part = os.path.split(fname)[0] |
|
try: |
|
tree = ET.parse(abspath) |
|
root = tree.getroot() |
|
result = [] |
|
for child in root[0]: |
|
if child.tag != 'file': |
|
mlog.warning("malformed rcc file: ", os.path.join(state.subdir, fname)) |
|
break |
|
else: |
|
result.append(os.path.join(state.subdir, relative_part, child.text)) |
|
return result |
|
except Exception: |
|
return [] |
|
|
|
@permittedKwargs({'moc_headers', 'moc_sources', 'moc_extra_arguments', 'include_directories', 'ui_files', 'qresources', 'method'}) |
|
def preprocess(self, state, args, kwargs): |
|
rcc_files, ui_files, moc_headers, moc_sources, moc_extra_arguments, sources, include_directories \ |
|
= extract_as_list(kwargs, 'qresources', 'ui_files', 'moc_headers', 'moc_sources', 'moc_extra_arguments', 'sources', 'include_directories', pop = True) |
|
sources += args[1:] |
|
method = kwargs.get('method', 'auto') |
|
self._detect_tools(state.environment, method) |
|
err_msg = "{0} sources specified and couldn't find {1}, " \ |
|
"please check your qt{2} installation" |
|
if len(moc_headers) + len(moc_sources) > 0 and not self.moc.found(): |
|
raise MesonException(err_msg.format('MOC', 'moc-qt{}'.format(self.qt_version), self.qt_version)) |
|
if len(rcc_files) > 0: |
|
if not self.rcc.found(): |
|
raise MesonException(err_msg.format('RCC', 'rcc-qt{}'.format(self.qt_version), self.qt_version)) |
|
qrc_deps = [] |
|
for i in rcc_files: |
|
qrc_deps += self.parse_qrc(state, i) |
|
if len(args) > 0: |
|
name = args[0] |
|
else: |
|
basename = os.path.split(rcc_files[0])[1] |
|
name = 'qt' + str(self.qt_version) + '-' + basename.replace('.', '_') |
|
rcc_kwargs = {'input': rcc_files, |
|
'output': name + '.cpp', |
|
'command': [self.rcc, '-o', '@OUTPUT@', '@INPUT@'], |
|
'depend_files': qrc_deps} |
|
res_target = build.CustomTarget(name, state.subdir, state.subproject, rcc_kwargs) |
|
sources.append(res_target) |
|
if len(ui_files) > 0: |
|
if not self.uic.found(): |
|
raise MesonException(err_msg.format('UIC', 'uic-qt' + self.qt_version)) |
|
ui_kwargs = {'output': 'ui_@BASENAME@.h', |
|
'arguments': ['-o', '@OUTPUT@', '@INPUT@']} |
|
ui_gen = build.Generator([self.uic], ui_kwargs) |
|
ui_output = ui_gen.process_files('Qt{} ui'.format(self.qt_version), ui_files, state) |
|
sources.append(ui_output) |
|
inc = get_include_args(include_dirs=include_directories) |
|
if len(moc_headers) > 0: |
|
arguments = moc_extra_arguments + inc + ['@INPUT@', '-o', '@OUTPUT@'] |
|
moc_kwargs = {'output': 'moc_@BASENAME@.cpp', |
|
'arguments': arguments} |
|
moc_gen = build.Generator([self.moc], moc_kwargs) |
|
moc_output = moc_gen.process_files('Qt{} moc header'.format(self.qt_version), moc_headers, state) |
|
sources.append(moc_output) |
|
if len(moc_sources) > 0: |
|
arguments = moc_extra_arguments + ['@INPUT@', '-o', '@OUTPUT@'] |
|
moc_kwargs = {'output': '@BASENAME@.moc', |
|
'arguments': arguments} |
|
moc_gen = build.Generator([self.moc], moc_kwargs) |
|
moc_output = moc_gen.process_files('Qt{} moc source'.format(self.qt_version), moc_sources, state) |
|
sources.append(moc_output) |
|
return ModuleReturnValue(sources, sources)
|
|
|