source: waflib/Tools/ruby.py @ ce6186a

#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file

import os
from waflib import Task,Options,Utils
from waflib.TaskGen import before_method,feature,after_method,Task,extension
from waflib.Configure import conf
@feature('rubyext')
@before_method('apply_incpaths','apply_lib_vars','apply_bundle','apply_link')
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')
@feature('rubyext')
@before_method('apply_link','propagate_uselib')
def apply_ruby_so_name(self):
        self.env['cshlib_PATTERN']=self.env['cxxshlib_PATTERN']=self.env['rubyext_PATTERN']
@conf
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 Exception:
                self.fatal('could not determine ruby version')
        self.env.RUBY_VERSION=version
        try:
                ver=tuple(map(int,version.split(".")))
        except Exception:
                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])
        else:
                cver=ver
        self.msg('Checking for ruby version %s'%str(minver or''),cver)
@conf
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]
@conf
def check_ruby_module(self,module_name):
        self.start_msg('Ruby module %s'%module_name)
        try:
                self.cmd_and_log([self.env['RUBY'],'-e','require \'%s\';puts 1'%module_name])
        except Exception:
                self.end_msg(False)
                self.fatal('Could not find the ruby module %r'%module_name)
        self.end_msg(True)
@extension('.rb')
def process(self,node):
        tsk=self.create_task('run_ruby',node)
class run_ruby(Task.Task):
        run_str='${RUBY} ${RBFLAGS} -I ${SRC[0].parent.abspath()} ${SRC}'
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')