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			from os.path import abspath
			from distutils.version import StrictVersion
			from subprocess import check_output, STDOUT

			Import('main_env')

			env_swig = main_env.Clone(
			tools=['swig'],
			SWIG='swig',
			SHLIBPREFIX='',
			)

			if env_swig['SWIGVERSION'] is None:
			print "Could not find swig version"
			print env_swig.Dictionary()
			print env_swig.Environment
			Exit(1)

			if StrictVersion(env_swig['SWIGVERSION']) < StrictVersion("3.0"):
			print "Swig version {} is not supported by tamaas".format(env_swig['SWIGVERSION'])
			Exit(1)

			# Check user's prefered version
			version_out = check_output(["python", "--version"], stderr=STDOUT).split(' ')
			version = StrictVersion(version_out[-1])
			python3 = version >= StrictVersion("3.0")

			# Run scons_versions.py to get versions corresponding to prefered python install, and not scons's
			includes = check_output(["python", "../../python/scons_includes.py"]).split('\n')

			env_swig.AppendUnique(CPPPATH=includes)
			env_swig.AppendUnique(SWIGPATH=['$CPPPATH'])
			env_swig.AppendUnique(SWIGFLAGS=['-python', '-c++'])

			if python3:
			env_swig.AppendUnique(SWIGFLAGS=['-py3'])

			verbose = main_env['verbose']
			if not verbose:
			env_swig.AppendUnique(SWIGFLAGS=['-w325', '-w315'])
			env_swig.AppendUnique(CXXFLAGS=['-Wno-maybe-uninitialized']) # for some warning in wrapper code


			env_swig.SharedLibrary(
			target='_tamaas.so',
			source=['tamaas.i'],
			LIBS=['Tamaas'],
			RPATH=[abspath('../src')]
			)