mirror of
https://github.com/MaskRay/ccls.git
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206 lines
7.6 KiB
Python
206 lines
7.6 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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try:
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from urllib2 import urlopen # Python 2
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except ImportError:
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from urllib.request import urlopen # Python 3
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import os.path
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from subprocess import call
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import sys
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VERSION='0.0.1'
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APPNAME='indexer'
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top = '.'
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out = 'build'
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# Example URLs
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# http://releases.llvm.org/5.0.0/clang+llvm-5.0.0-linux-x86_64-ubuntu16.04.tar.xz
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# http://releases.llvm.org/5.0.0/clang+llvm-5.0.0-linux-x86_64-ubuntu14.04.tar.xz
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# http://releases.llvm.org/5.0.0/clang+llvm-5.0.0-x86_64-apple-darwin.tar.xz
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# TODO: windows support (it's an exe!)
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global CLANG_PLATFORM_NAME
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global CLANG_TARBALL_PLATFORM_NAME
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if sys.platform == 'linux' or sys.platform == 'linux2':
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#CLANG_PLATFORM_NAME = 'linux-x86_64-ubuntu14.04'
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CLANG_PLATFORM_NAME = 'x86_64-linux-gnu-ubuntu-14.04'
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CLANG_TARBALL_PLATFORM_NAME = 'clang+llvm'
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elif sys.platform == 'darwin':
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CLANG_PLATFORM_NAME = 'x86_64-apple-darwin'
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CLANG_TARBALL_PLATFORM_NAME = 'clang+llvm'
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else:
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sys.stderr.write('ERROR: Unknown platform {0}\n'.format(sys.platform))
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sys.exit(1)
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# Version of clang to download and use.
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#CLANG_VERSION = '5.0.0'
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CLANG_VERSION = '4.0.0'
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# Tarball name on clang servers that should be used.
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CLANG_TARBALL_NAME = '{0}-{1}-{2}'.format(CLANG_TARBALL_PLATFORM_NAME, CLANG_VERSION, CLANG_PLATFORM_NAME)
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# Directory clang has been extracted to.
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CLANG_DIRECTORY = '{0}/{1}'.format(out, CLANG_TARBALL_NAME)
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# URL of the tarball to download.
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CLANG_TARBALL_URL = 'http://releases.llvm.org/{0}/{1}.tar.xz'.format(CLANG_VERSION, CLANG_TARBALL_NAME)
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# Path to locally tarball.
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CLANG_TARBALL_LOCAL_PATH = '{0}.tar.xz'.format(CLANG_DIRECTORY)
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# Directory libcxx will be extracted to.
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LIBCXX_DIRECTORY = '{0}/libcxx'.format(out)
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# URL to download libcxx from.
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LIBCXX_URL = 'http://releases.llvm.org/4.0.0/libcxx-4.0.0.src.tar.xz'
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# Absolute path for where to download the URL.
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LIBCXX_LOCAL_PATH = '{0}/libcxx-4.0.0.src.tar.xz'.format(out)
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from waflib.Tools.compiler_cxx import cxx_compiler
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cxx_compiler['linux'] = ['clang++', 'g++']
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def options(opt):
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opt.load('compiler_cxx')
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grp = opt.add_option_group('Configuration options related to use of clang from the system (not recommended)')
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grp.add_option('--use-system-clang', dest='use_system_clang', default=False, action='store_true',
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help='enable use of clang from the system')
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grp.add_option('--llvm-config', dest='llvm_config', default='llvm-config',
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help='specify path to llvm-config for automatic configuration [default: %default]')
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grp.add_option('--clang-prefix', dest='clang_prefix', default='',
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help='enable fallback configuration method by specifying a clang installation prefix (e.g. /opt/llvm)')
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def download_and_extract(destdir, dest, url):
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# Download and save the compressed tarball as |compressed_file_name|.
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if not os.path.isfile(dest):
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print('Downloading tarball')
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print(' destination: {0}'.format(dest))
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print(' source: {0}'.format(url))
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# TODO: verify checksum
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response = urlopen(url)
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with open(dest, 'wb') as f:
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f.write(response.read())
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else:
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print('Found tarball at {0}'.format(dest))
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# Extract the tarball.
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if not os.path.isdir(destdir):
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print('Extracting')
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# TODO: make portable.
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call(['tar', 'xf', dest, '-C', out])
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else:
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print('Found extracted at {0}'.format(destdir))
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def configure(conf):
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conf.load('compiler_cxx')
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conf.check(header_name='stdio.h', features='cxx cxxprogram', mandatory=True)
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conf.load('clang_compilation_database', tooldir='.')
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conf.env['use_system_clang'] = conf.options.use_system_clang
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if conf.options.use_system_clang:
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# Ask llvm-config for cflags and ldflags
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conf.find_program(conf.options.llvm_config, msg='checking for llvm-config', var='LLVM_CONFIG', mandatory=False)
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if conf.env.LLVM_CONFIG:
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conf.check_cfg(msg='Checking for clang flags',
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path=conf.env.LLVM_CONFIG,
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package='',
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uselib_store='clang',
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args='--cppflags --ldflags')
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# llvm-config does not provide the actual library we want so we check for it
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# using the provided info so far.
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conf.check_cxx(lib='clang', uselib_store='clang', use='clang')
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else: # Fallback method using a prefix path
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conf.start_msg('Checking for clang prefix')
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if not conf.options.clang_prefix:
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raise conf.errors.ConfigurationError('not found (--clang-prefix must be specified when llvm-config is not found)')
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prefix = conf.root.find_node(conf.options.clang_prefix)
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if not prefix:
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raise conf.errors.ConfigurationError('clang prefix not found: "%s"'%conf.options.clang_prefix)
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conf.end_msg(prefix)
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includes = [ n.abspath() for n in [ prefix.find_node('include') ] if n ]
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libpath = [ n.abspath() for n in [ prefix.find_node(l) for l in ('lib', 'lib64')] if n ]
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conf.check_cxx(msg='Checking for library clang', lib='clang', uselib_store='clang', includes=includes, libpath=libpath)
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else:
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print('Checking for clang')
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download_and_extract(CLANG_DIRECTORY, CLANG_TARBALL_LOCAL_PATH, CLANG_TARBALL_URL)
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clang_node = conf.path.find_dir(CLANG_DIRECTORY)
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conf.check_cxx(uselib_store='clang',
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includes=clang_node.find_dir('include').abspath(),
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libpath=clang_node.find_dir('lib').abspath(),
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lib='clang')
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conf.msg('Clang includes', conf.env.INCLUDES_clang)
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conf.msg('Clang library dir', conf.env.LIBPATH_clang)
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"""
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# Download and save the compressed tarball as |compressed_file_name|.
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if not os.path.isfile(CLANG_TARBALL_LOCAL_PATH):
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print('Downloading clang tarball')
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print(' destination: {0}'.format(CLANG_TARBALL_LOCAL_PATH))
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print(' source: {0}'.format(CLANG_TARBALL_URL))
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# TODO: verify checksum
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response = urlopen(CLANG_TARBALL_URL)
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with open(CLANG_TARBALL_LOCAL_PATH, 'wb') as f:
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f.write(response.read())
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else:
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print('Found clang tarball at {0}'.format(CLANG_TARBALL_LOCAL_PATH))
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# Extract the tarball.
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if not os.path.isdir(CLANG_DIRECTORY):
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print('Extracting clang')
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# TODO: make portable.
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call(['tar', 'xf', CLANG_TARBALL_LOCAL_PATH, '-C', out])
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else:
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print('Found extracted clang at {0}'.format(CLANG_DIRECTORY))
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"""
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def build(bld):
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# todo: configure vars
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cc_files = bld.path.ant_glob(['src/*.cc'])
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lib = []
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if sys.platform == 'linux' or sys.platform == 'linux2':
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lib.append('rt')
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lib.append('pthread')
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lib.append('dl')
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elif sys.platform == 'darwin':
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lib.append('pthread')
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bld.program(
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source=cc_files,
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use='clang',
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cxxflags=['-g', '-O3', '-std=c++11', '-Wall', '-Wno-sign-compare', '-Werror'],
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includes=[
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'third_party/',
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'third_party/doctest/',
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'third_party/loguru/',
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'third_party/rapidjson/include/',
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'third_party/sparsehash/src/',
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'third_party/sparsepp/'],
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defines=['LOGURU_WITH_STREAMS=1'],
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lib=lib,
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rpath=[] if bld.env['use_system_clang'] else bld.env['LIBPATH_clang'],
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target='app')
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#bld.shlib(source='a.cpp', target='mylib', vnum='9.8.7')
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#bld.shlib(source='a.cpp', target='mylib2', vnum='9.8.7', cnum='9.8')
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#bld.shlib(source='a.cpp', target='mylib3')
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#bld.program(source=cc_files, target='app', use='mylib')
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#bld.stlib(target='foo', source='b.cpp')
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# just a test to check if the .c is compiled as c++ when no c compiler is found
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#bld.program(features='cxx cxxprogram', source='main.c', target='app2')
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#if bld.cmd != 'clean':
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# from waflib import Logs
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# bld.logger = Logs.make_logger('test.log', 'build') # just to get a clean output
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# bld.check(header_name='sadlib.h', features='cxx cxxprogram', mandatory=False)
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# bld.logger = None
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