detect.py
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			import SCons
			from SCons.Script import Exit, Configure

			from os.path import join, abspath


			def FindGBenchmark(env):
			"""
			Sets environement for Google's benchmark library
			"""
			if env.GetOption('clean'):
			return

			if 'BENCHMARK_PATH' not in env:
			print("Please set the 'BENCHMARK_PATH' vairiable " +
			"in your scons environment")
			Exit(1)

			bm_vars = {}
			bm_path = abspath(env['BENCHMARK_PATH'])
			bm_vars['CPPPATH'] = [join(bm_path, 'include')]
			bm_vars['LIBPATH'] = [join(bm_path, 'build/src')]
			bm_vars['RPATH'] = bm_vars['LIBPATH']
			bm_vars['LIBS'] = ['pthread']

			conf_env = env.Clone(**bm_vars)
			conf = Configure(conf_env)

			if not conf.CheckLibWithHeader("benchmark", "benchmark/benchmark.h",
			language="CXX"):
			raise SCons.Errors.StopError(
			"Google benchmark was not found in {}".format(bm_path))
			conf_env = conf.Finish()
			bm_vars['LIBS'] += ['benchmark']

			env.AppendUnique(**bm_vars)

tamaas/third-party/expolit/benchmarks/site_scons/detect.py96c60334eadbmaster