buildtools/wafadmin/Tools/ruby.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 # daniel.svensson at purplescout.se 2008
   4
   5 import os
   6 import Task, Options, Utils
   7 from TaskGen import before, feature, after
   8 from Configure import conf
   9
  10 @feature('rubyext')
  11 @before('apply_incpaths', 'apply_type_vars', 'apply_lib_vars', 'apply_bundle')
  12 @after('default_cc', 'vars_target_cshlib')
  13 def init_rubyext(self):
  14         self.default_install_path = '${ARCHDIR_RUBY}'
  15         self.uselib = self.to_list(getattr(self, 'uselib', ''))
  16         if not 'RUBY' in self.uselib:
  17                 self.uselib.append('RUBY')
  18         if not 'RUBYEXT' in self.uselib:
  19                 self.uselib.append('RUBYEXT')
  20
  21 @feature('rubyext')
  22 @before('apply_link')
  23 def apply_ruby_so_name(self):
  24         self.env['shlib_PATTERN'] = self.env['rubyext_PATTERN']
  25
  26 @conf
  27 def check_ruby_version(conf, minver=()):
  28         """
  29         Checks if ruby is installed.
  30         If installed the variable RUBY will be set in environment.
  31         Ruby binary can be overridden by --with-ruby-binary config variable
  32         """
  33
  34         if Options.options.rubybinary:
  35                 conf.env.RUBY = Options.options.rubybinary
  36         else:
  37                 conf.find_program("ruby", var="RUBY", mandatory=True)
  38
  39         ruby = conf.env.RUBY
  40
  41         try:
  42                 version = Utils.cmd_output([ruby, '-e', 'puts defined?(VERSION) ? VERSION : RUBY_VERSION']).strip()
  43         except:
  44                 conf.fatal('could not determine ruby version')
  45         conf.env.RUBY_VERSION = version
  46
  47         try:
  48                 ver = tuple(map(int, version.split(".")))
  49         except:
  50                 conf.fatal('unsupported ruby version %r' % version)
  51
  52         cver = ''
  53         if minver:
  54                 if ver < minver:
  55                         conf.fatal('ruby is too old')
  56                 cver = ".".join([str(x) for x in minver])
  57
  58         conf.check_message('ruby', cver, True, version)
  59
  60 @conf
  61 def check_ruby_ext_devel(conf):
  62         if not conf.env.RUBY:
  63                 conf.fatal('ruby detection is required first')
  64
  65         if not conf.env.CC_NAME and not conf.env.CXX_NAME:
  66                 conf.fatal('load a c/c++ compiler first')
  67
  68         version = tuple(map(int, conf.env.RUBY_VERSION.split(".")))
  69
  70         def read_out(cmd):
  71                 return Utils.to_list(Utils.cmd_output([conf.env.RUBY, '-rrbconfig', '-e', cmd]))
  72
  73         def read_config(key):
  74                 return read_out('puts Config::CONFIG[%r]' % key)
  75
  76         ruby = conf.env['RUBY']
  77         archdir = read_config('archdir')
  78         cpppath = archdir
  79         if version >= (1, 9, 0):
  80                 ruby_hdrdir = read_config('rubyhdrdir')
  81                 cpppath += ruby_hdrdir
  82                 cpppath += [os.path.join(ruby_hdrdir[0], read_config('arch')[0])]
  83
  84         conf.check(header_name='ruby.h', includes=cpppath, mandatory=True, errmsg='could not find ruby header file')
  85
  86         conf.env.LIBPATH_RUBYEXT = read_config('libdir')
  87         conf.env.LIBPATH_RUBYEXT += archdir
  88         conf.env.CPPPATH_RUBYEXT = cpppath
  89         conf.env.CCFLAGS_RUBYEXT = read_config("CCDLFLAGS")
  90         conf.env.rubyext_PATTERN = '%s.' + read_config('DLEXT')[0]
  91
  92         # ok this is really stupid, but the command and flags are combined.
  93         # so we try to find the first argument...
  94         flags = read_config('LDSHARED')
  95         while flags and flags[0][0] != '-':
  96                 flags = flags[1:]
  97
  98         # we also want to strip out the deprecated ppc flags
  99         if len(flags) > 1 and flags[1] == "ppc":
 100                 flags = flags[2:]
 101
 102         conf.env.LINKFLAGS_RUBYEXT = flags
 103         conf.env.LINKFLAGS_RUBYEXT += read_config("LIBS")
 104         conf.env.LINKFLAGS_RUBYEXT += read_config("LIBRUBYARG_SHARED")
 105
 106         if Options.options.rubyarchdir:
 107                 conf.env.ARCHDIR_RUBY = Options.options.rubyarchdir
 108         else:
 109                 conf.env.ARCHDIR_RUBY = read_config('sitearchdir')[0]
 110
 111         if Options.options.rubylibdir:
 112                 conf.env.LIBDIR_RUBY = Options.options.rubylibdir
 113         else:
 114                 conf.env.LIBDIR_RUBY = read_config('sitelibdir')[0]
 115
 116 def set_options(opt):
 117         opt.add_option('--with-ruby-archdir', type='string', dest='rubyarchdir', help='Specify directory where to install arch specific files')
 118         opt.add_option('--with-ruby-libdir', type='string', dest='rubylibdir', help='Specify alternate ruby library path')
 119         opt.add_option('--with-ruby-binary', type='string', dest='rubybinary', help='Specify alternate ruby binary')
 120