116 lines
4.5 KiB
Python
116 lines
4.5 KiB
Python
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import json
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import pathlib
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import shutil
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from SCons.Script import *
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_BUILT_STAMPFILE = '.spp_built'
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_VERSION = 2 # bump if you change how the projects are build to trigger a clean build
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Import('env')
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def cmd_quote(s: str) -> str:
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escaped = s.replace('\\', '\\\\')
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return f'"{escaped}"'
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def _generate_cmake_c_flags(env, dependencies: 'list[dict]') -> str:
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parts = env['DEPS_CFLAGS'].copy()
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for dependency in dependencies:
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for path in dependency.get('CPPPATH', []):
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parts.append(f'-I{path}')
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return cmd_quote(' '.join(parts))
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def _generate_cmake_cxx_flags(env, dependencies: 'list[dict]') -> str:
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parts = env['DEPS_CXXFLAGS'].copy()
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for dependency in dependencies:
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for path in dependency.get('CPPPATH', []):
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parts.append(f'-I{path}')
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return cmd_quote(' '.join(parts))
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def _get_cmake_cxx_standard(env: Environment) -> str:
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return env['CXX_STANDARD'][3:] # we use "C++XX", CMake just "XX"
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def _get_cmake_prefix_path(dependencies: 'list[dict]') -> str:
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parts = []
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for dependency in dependencies:
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for path in dependency.get('CMAKE_PREFIX_PATH', []):
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parts.append(path)
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return cmd_quote(';'.join(parts))
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def _generate_cmake_args(env: Environment, dependencies: 'list[dict]') -> 'list[str]':
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args = [f'-DCMAKE_C_FLAGS={_generate_cmake_c_flags(env, dependencies)}',
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f'-DCMAKE_CXX_FLAGS={_generate_cmake_cxx_flags(env, dependencies)}',
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f'-DCMAKE_CXX_STANDARD={_get_cmake_cxx_standard(env)}',
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f'-DCMAKE_PREFIX_PATH={_get_cmake_prefix_path(dependencies)}']
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for dependency in dependencies:
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for name, value in dependency.get('CMAKE_VARS', {}).items():
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args.append(f'-D{name}={cmd_quote(value)}')
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return args
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def _calc_version_hash(env, dependencies: 'list[dict]') -> str:
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return json.dumps({
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'version': _VERSION,
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'dependencies': dependencies,
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'cxxflags': env['DEPS_CXXFLAGS']
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})
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def _cmake_project(env: Environment, project_root: str, generate_args: 'list[str]' = [], build_args : 'list[str]' = [], install_args : 'list[str]' = [], dependencies: 'list[dict]' = []) -> dict:
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config = env['BUILD_TYPE']
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build_dir = os.path.join(project_root, f'build_{config}')
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install_dir = os.path.join(project_root, f'install_{config}')
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version_hash = _calc_version_hash(env, dependencies)
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stamp_file = pathlib.Path(install_dir, _BUILT_STAMPFILE)
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is_built = stamp_file.exists()
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if is_built:
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with stamp_file.open('r') as f:
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build_version = f.read()
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if build_version != version_hash:
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print(f'Rebuilding CMake project at {project_root} as the script version changed.')
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is_built = False
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if not is_built:
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shutil.rmtree(build_dir)
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shutil.rmtree(install_dir)
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if not is_built or env['UPDATE_REPOSITORIES']:
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print(f'Building {project_root}, config {config}')
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os.makedirs(build_dir, exist_ok=True)
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build_type = {
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'debug': 'Debug',
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'release_debug': 'RelWithDebInfo',
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'release': 'Release',
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'profile': 'RelWithDebInfo'
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}.get(env['BUILD_TYPE'], 'RelWithDebInfo')
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def run_cmd(args):
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if env.Execute(' '.join([str(s) for s in args])):
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Exit(1)
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# TODO: is this a problem?
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# environ = os.environ.copy()
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# environ['CXXFLAGS'] = ' '.join(f'-D{define}' for define in env['CPPDEFINES']) # TODO: who cares about windows?
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run_cmd(['cmake', '-G', 'Ninja', '-B', build_dir, f'-DCMAKE_BUILD_TYPE={build_type}',
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f'-DCMAKE_INSTALL_PREFIX={cmd_quote(install_dir)}', '-DBUILD_TESTING=OFF',
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*_generate_cmake_args(env, dependencies), *generate_args, project_root])
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run_cmd(['cmake', '--build', *build_args, cmd_quote(build_dir)])
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run_cmd(['cmake', '--install', *install_args, cmd_quote(build_dir)])
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with pathlib.Path(install_dir, _BUILT_STAMPFILE).open('w') as f:
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f.write(version_hash)
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libpath = []
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for lib_folder in ('lib', 'lib64'):
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full_path = os.path.join(install_dir, lib_folder)
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if os.path.exists(full_path):
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libpath.append(full_path)
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return {
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'build_dir': build_dir,
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'install_dir': install_dir,
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'BINPATH': [os.path.join(install_dir, 'bin')],
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'LIBPATH': libpath,
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'CPPPATH': [os.path.join(install_dir, 'include')]
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}
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env.AddMethod(_cmake_project, 'CMakeProject')
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Return('env') |