# Copyright 2010 Cloudant
# 
# 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.

def require_lib(name):
    if not conf.CheckLib(name):
        print 'Could not find required library', name
        Exit(1)

env = Environment(CCFLAGS='-g -O2 -DXP_UNIX')
if not env.GetOption('clean'):
    conf = Configure(env, config_h='config.h')

    require_lib('m')
    require_lib('pthread')
    require_lib('curl')

    ## check for SpiderMonkey development header
    if conf.CheckHeader('js/jsapi.h'):
        jsapi = 'js/jsapi.h'
    elif conf.CheckHeader('mozjs/jsapi.h'):
        jsapi = 'mozjs/jsapi.h'
    elif conf.CheckHeader('jsapi.h'):
        jsapi = 'jsapi.h'
    else:
        print 'Could not find jsapi.h.', \
            'Are Mozilla SpiderMonkey headers installed?'
        Exit(1)

    ## check for SpiderMonkey library as libjs or libmozjs
    if not conf.CheckLibWithHeader('mozjs', jsapi, 'c', autoadd=1):
        if not conf.CheckLibWithHeader('js', jsapi, 'c', autoadd=1):
            print 'Could not find JS library.', \
                'Is Mozilla SpiderMonkey installed?'
            Exit(1)

    ## SpiderMonkey 1.8 has this callback we use for memory management
    if conf.CheckDeclaration('JS_SetOperationCallback', '#include <%s>' % jsapi):
        conf.Define('USE_JS_SETOPCB')

    env = conf.Finish()

env.Program('couchjs', ['main.c', 'http.c', 'utf8.c'])