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#!/usr/bin/env python3 -tt
# Copyright 2013 Jussi Pakkanen
# 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.
# This file contains the detection logic for all those
# packages and frameworks that either don't provide
# a pkg-confg file or require extra functionality
# that can't be expressed with it.
# Currently one file, should probably be split into a
# package before this gets too big.
import os, stat, glob
from interpreter import InvalidArguments
class BoostDependency():
def __init__(self, kwargs):
self.incdir = '/usr/include/boost'
self.libdir = '/usr/lib'
self.src_modules = {}
self.lib_modules = {}
self.detect_version()
self.requested_modules = self.get_requested(kwargs)
if self.version is not None:
self.detect_src_modules()
self.detect_lib_modules()
self.validate_requested()
def get_compile_flags(self):
return []
def get_requested(self, kwargs):
modules = 'modules'
if not modules in kwargs:
raise InvalidArguments('Boost dependency must specify "%s" keyword.' % modules)
candidates = kwargs[modules]
if isinstance(candidates, str):
return [candidates]
for c in candidates:
if not isinstance(c, str):
raise InvalidArguments('Boost module argument is not a string.')
return candidates
def validate_requested(self):
for m in self.requested_modules:
if m not in self.src_modules:
raise InvalidArguments('Requested Boost module "%s" not found.' % m)
def found(self):
return self.version is not None
def get_version(self):
return self.version
def detect_version(self):
ifile = open(os.path.join(self.incdir, 'version.hpp'))
for line in ifile:
if line.startswith("#define") and 'BOOST_LIB_VERSION' in line:
ver = line.split()[-1]
ver = ver[1:-1]
self.version = ver.replace('_', '.')
return
self.version = None
def detect_src_modules(self):
for entry in os.listdir(self.incdir):
entry = os.path.join(self.incdir, entry)
if stat.S_ISDIR(os.stat(entry).st_mode):
self.src_modules[os.path.split(entry)[-1]] = True
def detect_lib_modules(self):
globber = 'libboost_*.so' # FIXME, make platform independent.
for entry in glob.glob(os.path.join(self.libdir, globber)):
if entry.endswith('-mt.so'): # Fixme, seems to be Windows specific.
continue
lib = os.path.basename(entry)
self.lib_modules[(lib.split('.')[0].split('_', 1)[-1])] = True
def get_link_flags(self):
flags = [] # Fixme, add -L if necessary.
for module in self.requested_modules:
if module in self.lib_modules:
linkcmd = '-lboost_' + module
flags.append(linkcmd)
return flags
packages = {'boost': BoostDependency}
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