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.
266 lines
12 KiB
266 lines
12 KiB
# Copyright 2020 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, subprocess, shlex |
|
from pathlib import Path |
|
import typing as T |
|
|
|
from . import ExtensionModule, ModuleReturnValue |
|
from .. import mlog, build |
|
from ..mesonlib import (MesonException, Popen_safe, MachineChoice, |
|
get_variable_regex, do_replacement) |
|
from ..interpreterbase import InterpreterObject, InterpreterException, FeatureNew |
|
from ..interpreterbase import stringArgs, permittedKwargs |
|
from ..interpreter import Interpreter, DependencyHolder, InstallDir |
|
from ..compilers.compilers import cflags_mapping, cexe_mapping |
|
from ..dependencies.base import InternalDependency, PkgConfigDependency |
|
from ..environment import Environment |
|
|
|
class ExternalProject(InterpreterObject): |
|
def __init__(self, |
|
interpreter: Interpreter, |
|
subdir: str, |
|
project_version: T.Dict[str, str], |
|
subproject: str, |
|
environment: Environment, |
|
build_machine: str, |
|
host_machine: str, |
|
configure_command: T.List[str], |
|
configure_options: T.List[str], |
|
cross_configure_options: T.List[str], |
|
env: build.EnvironmentVariables, |
|
verbose: bool): |
|
InterpreterObject.__init__(self) |
|
self.methods.update({'dependency': self.dependency_method, |
|
}) |
|
|
|
self.interpreter = interpreter |
|
self.subdir = Path(subdir) |
|
self.project_version = project_version |
|
self.subproject = subproject |
|
self.env = environment |
|
self.build_machine = build_machine |
|
self.host_machine = host_machine |
|
self.configure_command = configure_command |
|
self.configure_options = configure_options |
|
self.cross_configure_options = cross_configure_options |
|
self.verbose = verbose |
|
self.user_env = env |
|
|
|
self.name = self.subdir.name |
|
self.src_dir = Path(self.env.get_source_dir(), self.subdir) |
|
self.build_dir = Path(self.env.get_build_dir(), self.subdir, 'build') |
|
self.install_dir = Path(self.env.get_build_dir(), self.subdir, 'dist') |
|
self.prefix = Path(self.env.coredata.get_builtin_option('prefix')) |
|
self.libdir = Path(self.env.coredata.get_builtin_option('libdir')) |
|
self.includedir = Path(self.env.coredata.get_builtin_option('includedir')) |
|
|
|
# On Windows if the prefix is "c:/foo" and DESTDIR is "c:/bar", `make` |
|
# will install files into "c:/bar/c:/foo" which is an invalid path. |
|
# Work around that issue by removing the drive from prefix. |
|
if self.prefix.drive: |
|
self.prefix = self.prefix.relative_to(self.prefix.drive) |
|
|
|
# self.prefix is an absolute path, so we cannot append it to another path. |
|
self.rel_prefix = self.prefix.relative_to(self.prefix.root) |
|
|
|
self.make = self.interpreter.find_program_impl('make') |
|
self.make = self.make.get_command()[0] |
|
|
|
self._configure() |
|
|
|
self.targets = self._create_targets() |
|
|
|
def _configure(self): |
|
# Assume it's the name of a script in source dir, like 'configure', |
|
# 'autogen.sh', etc). |
|
configure_path = Path(self.src_dir, self.configure_command) |
|
configure_prog = self.interpreter.find_program_impl(configure_path.as_posix()) |
|
configure_cmd = configure_prog.get_command() |
|
|
|
d = {'PREFIX': self.prefix.as_posix(), |
|
'LIBDIR': self.libdir.as_posix(), |
|
'INCLUDEDIR': self.includedir.as_posix(), |
|
} |
|
self._validate_configure_options(d.keys()) |
|
|
|
configure_cmd += self._format_options(self.configure_options, d) |
|
|
|
if self.env.is_cross_build(): |
|
host = '{}-{}-{}'.format(self.host_machine.cpu_family, |
|
self.build_machine.system, |
|
self.host_machine.system) |
|
d = {'HOST': host} |
|
configure_cmd += self._format_options(self.cross_configure_options, d) |
|
|
|
# Set common env variables like CFLAGS, CC, etc. |
|
link_exelist = [] |
|
link_args = [] |
|
self.run_env = os.environ.copy() |
|
for lang, compiler in self.env.coredata.compilers[MachineChoice.HOST].items(): |
|
if any(lang not in i for i in (cexe_mapping, cflags_mapping)): |
|
continue |
|
cargs = self.env.coredata.get_external_args(MachineChoice.HOST, lang) |
|
self.run_env[cexe_mapping[lang]] = self._quote_and_join(compiler.get_exelist()) |
|
self.run_env[cflags_mapping[lang]] = self._quote_and_join(cargs) |
|
if not link_exelist: |
|
link_exelist = compiler.get_linker_exelist() |
|
link_args = self.env.coredata.get_external_link_args(MachineChoice.HOST, lang) |
|
if link_exelist: |
|
self.run_env['LD'] = self._quote_and_join(link_exelist) |
|
self.run_env['LDFLAGS'] = self._quote_and_join(link_args) |
|
|
|
self.run_env = self.user_env.get_env(self.run_env) |
|
|
|
PkgConfigDependency.setup_env(self.run_env, self.env, MachineChoice.HOST, |
|
Path(self.env.get_build_dir(), 'meson-uninstalled').as_posix()) |
|
|
|
self.build_dir.mkdir(parents=True, exist_ok=True) |
|
self._run('configure', configure_cmd) |
|
|
|
def _quote_and_join(self, array: T.List[str]) -> str: |
|
return ' '.join([shlex.quote(i) for i in array]) |
|
|
|
def _validate_configure_options(self, required_keys: T.List[str]): |
|
# Ensure the user at least try to pass basic info to the build system, |
|
# like the prefix, libdir, etc. |
|
for key in required_keys: |
|
key_format = '@{}@'.format(key) |
|
for option in self.configure_options: |
|
if key_format in option: |
|
break |
|
else: |
|
m = 'At least one configure option must contain "{}" key' |
|
raise InterpreterException(m.format(key_format)) |
|
|
|
def _format_options(self, options: T.List[str], variables: T.Dict[str, str]) -> T.List[str]: |
|
out = [] |
|
missing = set() |
|
regex = get_variable_regex('meson') |
|
confdata = {k: (v, None) for k, v in variables.items()} |
|
for o in options: |
|
arg, missing_vars = do_replacement(regex, o, 'meson', confdata) |
|
missing.update(missing_vars) |
|
out.append(arg) |
|
if missing: |
|
var_list = ", ".join(map(repr, sorted(missing))) |
|
raise EnvironmentException( |
|
"Variables {} in configure options are missing.".format(var_list)) |
|
return out |
|
|
|
def _run(self, step: str, command: T.List[str]): |
|
mlog.log('External project {}:'.format(self.name), mlog.bold(step)) |
|
output = None if self.verbose else subprocess.DEVNULL |
|
p, o, e = Popen_safe(command, cwd=str(self.build_dir), env=self.run_env, |
|
stderr=subprocess.STDOUT, |
|
stdout=output) |
|
if p.returncode != 0: |
|
m = '{} step failed:\n{}'.format(step, e) |
|
raise MesonException(m) |
|
|
|
def _create_targets(self): |
|
cmd = self.env.get_build_command() |
|
cmd += ['--internal', 'externalproject', |
|
'--name', self.name, |
|
'--srcdir', self.src_dir.as_posix(), |
|
'--builddir', self.build_dir.as_posix(), |
|
'--installdir', self.install_dir.as_posix(), |
|
'--make', self.make, |
|
] |
|
if self.verbose: |
|
cmd.append('--verbose') |
|
|
|
target_kwargs = {'output': '{}.stamp'.format(self.name), |
|
'depfile': '{}.d'.format(self.name), |
|
'command': cmd + ['@OUTPUT@', '@DEPFILE@'], |
|
'console': True, |
|
} |
|
self.target = build.CustomTarget(self.name, |
|
self.subdir.as_posix(), |
|
self.subproject, |
|
target_kwargs) |
|
|
|
idir = InstallDir(self.subdir.as_posix(), |
|
Path('dist', self.rel_prefix).as_posix(), |
|
install_dir='.', |
|
install_mode=None, |
|
exclude=None, |
|
strip_directory=True, |
|
from_source_dir=False) |
|
|
|
return [self.target, idir] |
|
|
|
@stringArgs |
|
@permittedKwargs({'subdir'}) |
|
def dependency_method(self, args, kwargs): |
|
if len(args) != 1: |
|
m = 'ExternalProject.dependency takes exactly 1 positional arguments' |
|
raise InterpreterException(m) |
|
libname = args[0] |
|
|
|
subdir = kwargs.get('subdir', '') |
|
if not isinstance(subdir, str): |
|
m = 'ExternalProject.dependency subdir keyword argument must be string.' |
|
raise InterpreterException(m) |
|
|
|
abs_includedir = Path(self.install_dir, self.rel_prefix, self.includedir) |
|
if subdir: |
|
abs_includedir = Path(abs_includedir, subdir) |
|
abs_libdir = Path(self.install_dir, self.rel_prefix, self.libdir) |
|
|
|
version = self.project_version['version'] |
|
incdir = [] |
|
compile_args = ['-I{}'.format(abs_includedir)] |
|
link_args = ['-L{}'.format(abs_libdir), '-l{}'.format(libname)] |
|
libs = [] |
|
libs_whole = [] |
|
sources = self.target |
|
final_deps = [] |
|
variables = [] |
|
dep = InternalDependency(version, incdir, compile_args, link_args, libs, |
|
libs_whole, sources, final_deps, variables) |
|
return DependencyHolder(dep, self.subproject) |
|
|
|
|
|
class ExternalProjectModule(ExtensionModule): |
|
@FeatureNew('External build system Module', '0.56.0') |
|
def __init__(self, interpreter): |
|
super().__init__(interpreter) |
|
|
|
@stringArgs |
|
@permittedKwargs({'configure_options', 'cross_configure_options', 'verbose', 'env'}) |
|
def add_project(self, state, args, kwargs): |
|
if len(args) != 1: |
|
raise InterpreterException('add_project takes exactly one positional argument') |
|
configure_command = args[0] |
|
configure_options = kwargs.get('configure_options', []) |
|
cross_configure_options = kwargs.get('cross_configure_options', ['--host={host}']) |
|
verbose = kwargs.get('verbose', False) |
|
env = self.interpreter.unpack_env_kwarg(kwargs) |
|
project = ExternalProject(self.interpreter, |
|
state.subdir, |
|
state.project_version, |
|
state.subproject, |
|
state.environment, |
|
state.build_machine, |
|
state.host_machine, |
|
configure_command, |
|
configure_options, |
|
cross_configure_options, |
|
env, verbose) |
|
return ModuleReturnValue(project, project.targets) |
|
|
|
|
|
def initialize(*args, **kwargs): |
|
return ExternalProjectModule(*args, **kwargs)
|
|
|