~elementary-apps/noise/trunk

#! /usr/bin/env python

# encoding: utf-8

# WARNING! All changes made to this file will be lost!

 

import os

from waflib import Task,Options,Utils

from waflib.TaskGen import before,feature,after

from waflib.Configure import conf

def init_rubyext(self):

        self.install_path='${ARCHDIR_RUBY}'

        self.uselib=self.to_list(getattr(self,'uselib',''))

        if not'RUBY'in self.uselib:

                self.uselib.append('RUBY')

        if not'RUBYEXT'in self.uselib:

                self.uselib.append('RUBYEXT')

def apply_ruby_so_name(self):

        self.env['cshlib_PATTERN']=self.env['cxxshlib_PATTERN']=self.env['rubyext_PATTERN']

def check_ruby_version(self,minver=()):

        if Options.options.rubybinary:

                self.env.RUBY=Options.options.rubybinary

        else:

                self.find_program('ruby',var='RUBY')

        ruby=self.env.RUBY

        try:

                version=self.cmd_and_log([ruby,'-e','puts defined?(VERSION) ? VERSION : RUBY_VERSION']).strip()

        except:

                self.fatal('could not determine ruby version')

        self.env.RUBY_VERSION=version

        try:

                ver=tuple(map(int,version.split(".")))

        except:

                self.fatal('unsupported ruby version %r'%version)

        cver=''

        if minver:

                if ver<minver:

                        self.fatal('ruby is too old %r'%ver)

                cver='.'.join([str(x)for x in minver])

        self.msg('ruby',cver)

def check_ruby_ext_devel(self):

        if not self.env.RUBY:

                self.fatal('ruby detection is required first')

        if not self.env.CC_NAME and not self.env.CXX_NAME:

                self.fatal('load a c/c++ compiler first')

        version=tuple(map(int,self.env.RUBY_VERSION.split(".")))

        def read_out(cmd):

                return Utils.to_list(self.cmd_and_log([self.env.RUBY,'-rrbconfig','-e',cmd]))

        def read_config(key):

                return read_out('puts Config::CONFIG[%r]'%key)

        ruby=self.env['RUBY']

        archdir=read_config('archdir')

        cpppath=archdir

        if version>=(1,9,0):

                ruby_hdrdir=read_config('rubyhdrdir')

                cpppath+=ruby_hdrdir

                cpppath+=[os.path.join(ruby_hdrdir[0],read_config('arch')[0])]

        self.check(header_name='ruby.h',includes=cpppath,errmsg='could not find ruby header file')

        self.env.LIBPATH_RUBYEXT=read_config('libdir')

        self.env.LIBPATH_RUBYEXT+=archdir

        self.env.INCLUDES_RUBYEXT=cpppath

        self.env.CFLAGS_RUBYEXT=read_config('CCDLFLAGS')

        self.env.rubyext_PATTERN='%s.'+read_config('DLEXT')[0]

        flags=read_config('LDSHARED')

        while flags and flags[0][0]!='-':

                flags=flags[1:]

        if len(flags)>1 and flags[1]=="ppc":

                flags=flags[2:]

        self.env.LINKFLAGS_RUBYEXT=flags

        self.env.LINKFLAGS_RUBYEXT+=read_config('LIBS')

        self.env.LINKFLAGS_RUBYEXT+=read_config('LIBRUBYARG_SHARED')

        if Options.options.rubyarchdir:

                self.env.ARCHDIR_RUBY=Options.options.rubyarchdir

        else:

                self.env.ARCHDIR_RUBY=read_config('sitearchdir')[0]

        if Options.options.rubylibdir:

                self.env.LIBDIR_RUBY=Options.options.rubylibdir

        else:

                self.env.LIBDIR_RUBY=read_config('sitelibdir')[0]

def options(opt):

        opt.add_option('--with-ruby-archdir',type='string',dest='rubyarchdir',help='Specify directory where to install arch specific files')

        opt.add_option('--with-ruby-libdir',type='string',dest='rubylibdir',help='Specify alternate ruby library path')

        opt.add_option('--with-ruby-binary',type='string',dest='rubybinary',help='Specify alternate ruby binary')

 

feature('rubyext')(init_rubyext)

before('apply_incpaths','apply_lib_vars','apply_bundle','apply_link')(init_rubyext)

feature('rubyext')(apply_ruby_so_name)

before('apply_link','propagate_uselib')(apply_ruby_so_name)

conf(check_ruby_version)

conf(check_ruby_ext_devel)