70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
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import os
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import re
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from SCons.Script import *
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_REPO_NAME = 'zlib'
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_REPO_URL = 'https://github.com/madler/zlib.git'
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_TAG_PATTERN = re.compile(r'^v([0-9]+)\.([0-9]+)(?:\.([0-9]+))?$')
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_VERSION_SOURCE = '''
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#include <zlib.h>
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#include <stdio.h>
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int main(int, char**)
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{
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puts(ZLIB_VERSION);
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return 0;
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}
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'''
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def _build_lib_name(env: Environment) -> str:
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if os.name == 'posix':
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return 'z'
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elif os.name == 'nt':
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return {
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'debug': 'zlibstaticd'
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}.get(env['BUILD_TYPE'], 'zlibstatic')
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else:
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raise Exception('libpng is not supported yet on this OS')
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def versions(env: Environment, update: bool = False, options: dict = {}):
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tags = env.GitTags(repo_name = _REPO_NAME, remote_url = _REPO_URL, force_fetch=update)
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result = []
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if options.get('use_system_library'):
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version = env.VersionFromSource('pkgconf --cflags-only-I zlib', _VERSION_SOURCE)
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if version:
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env['SYSTEM_ZLIB_VERSION'] = version
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result.append(version)
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else:
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for tag in tags:
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match = _TAG_PATTERN.match(tag)
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if match:
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result.append((int(match.groups()[0]), int(match.groups()[1]), int(match.groups()[2] or 0)))
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return result
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def dependencies(env: Environment, version) -> 'dict':
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return {}
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def cook(env: Environment, version, options: dict = {}) -> dict:
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if options.get('use_system_library'):
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return env.PkgCook('pkgconf --cflags --libs zlib')
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git_ref = f'refs/tags/v{version[0]}.{version[1]}'
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if version[2] != 0:
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git_ref = git_ref + f'.{version[2]}'
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repo = env.GitBranch(repo_name = _REPO_NAME, remote_url = _REPO_URL, git_ref = git_ref)
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checkout_root = repo['checkout_root']
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build_result = env.CMakeProject(project_root=checkout_root)
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include_dir = os.path.join(build_result['install_dir'], 'include')
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lib_name = _build_lib_name(env)
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lib_file = env.FindLib(lib_name, paths=build_result['LIBPATH'])
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return {
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'CPPPATH': [include_dir],
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'LIBS': [lib_file],
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'CMAKE_VARS': {
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'ZLIB_LIBRARY': lib_file,
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'ZLIB_INCLUDE_DIR': include_dir
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}
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}
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