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#!/usr/bin/env python
# encoding: utf-8
# daniel.svensson at purplescout.se 2008
import os
import Task, Options, Utils
from TaskGen import before, feature, after
from Configure import conf
@feature('rubyext')
@before('apply_incpaths', 'apply_type_vars', 'apply_lib_vars', 'apply_bundle')
@after('default_cc', 'vars_target_cshlib')
def init_rubyext(self):
self.default_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('apply_link')
def apply_ruby_so_name(self):
self.env['shlib_PATTERN'] = self.env['rubyext_PATTERN']
@conf
def check_ruby_version(conf, minver=()):
"""
Checks if ruby is installed.
If installed the variable RUBY will be set in environment.
Ruby binary can be overridden by --with-ruby-binary config variable
"""
if Options.options.rubybinary:
conf.env.RUBY = Options.options.rubybinary
else:
conf.find_program("ruby", var="RUBY", mandatory=True)
ruby = conf.env.RUBY
try:
version = Utils.cmd_output([ruby, '-e', 'puts defined?(VERSION) ? VERSION : RUBY_VERSION']).strip()
except:
conf.fatal('could not determine ruby version')
conf.env.RUBY_VERSION = version
try:
ver = tuple(map(int, version.split(".")))
except:
conf.fatal('unsupported ruby version %r' % version)
cver = ''
if minver:
if ver < minver:
conf.fatal('ruby is too old')
cver = ".".join([str(x) for x in minver])
conf.check_message('ruby', cver, True, version)
@conf
def check_ruby_ext_devel(conf):
if not conf.env.RUBY:
conf.fatal('ruby detection is required first')
if not conf.env.CC_NAME and not conf.env.CXX_NAME:
conf.fatal('load a c/c++ compiler first')
version = tuple(map(int, conf.env.RUBY_VERSION.split(".")))
def read_out(cmd):
return Utils.to_list(Utils.cmd_output([conf.env.RUBY, '-rrbconfig', '-e', cmd]))
def read_config(key):
return read_out('puts Config::CONFIG[%r]' % key)
ruby = conf.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])]
conf.check(header_name='ruby.h', includes=cpppath, mandatory=True, errmsg='could not find ruby header file')
conf.env.LIBPATH_RUBYEXT = read_config('libdir')
conf.env.LIBPATH_RUBYEXT += archdir
conf.env.CPPPATH_RUBYEXT = cpppath
conf.env.CCFLAGS_RUBYEXT = read_config("CCDLFLAGS")
conf.env.rubyext_PATTERN = '%s.' + read_config('DLEXT')[0]
# ok this is really stupid, but the command and flags are combined.
# so we try to find the first argument...
flags = read_config('LDSHARED')
while flags and flags[0][0] != '-':
flags = flags[1:]
# we also want to strip out the deprecated ppc flags
if len(flags) > 1 and flags[1] == "ppc":
flags = flags[2:]
conf.env.LINKFLAGS_RUBYEXT = flags
conf.env.LINKFLAGS_RUBYEXT += read_config("LIBS")
conf.env.LINKFLAGS_RUBYEXT += read_config("LIBRUBYARG_SHARED")
if Options.options.rubyarchdir:
conf.env.ARCHDIR_RUBY = Options.options.rubyarchdir
else:
conf.env.ARCHDIR_RUBY = read_config('sitearchdir')[0]
if Options.options.rubylibdir:
conf.env.LIBDIR_RUBY = Options.options.rubylibdir
else:
conf.env.LIBDIR_RUBY = read_config('sitelibdir')[0]
def set_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')
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