Don't import the entire external environment; just import TBBROOT on Windows.
Don't import the entire external environment; just import TBBROOT on
Windows.

zhenglaizhang/thrust,marksantos/thrust,GrimDerp/thrust,arnabgho/thrust,xiongzhanblake/thrust_src,thrust/thrust,arnabgho/thrust,dachziegel/thrust,sdalton1/thrust,zhenglaizhang/thrust,jaredhoberock/thrust,jaredhoberock/thrust,thrust/thrust,dachziegel/thrust,marksantos/thrust,Ricardo666666/thrust,mohamed-ali/thrust,thrust/thrust,jaredhoberock/thrust,thvasilo/thrust,raygit/thrust,egaburov/thrust,zhenglaizhang/thrust,sarvex/thrust,xiongzhanblake/thrust_src,xiongzhanblake/thrust,thrust/thrust,egaburov/thrust,marksantos/thrust,arnabgho/thrust,raygit/thrust,mohamed-ali/thrust,sarvex/thrust,xiongzhanblake/thrust_src,raygit/thrust,zeryx/thrust,andrewcorrigan/thrust-multi-permutation-iterator,xiongzhanblake/thrust,sdalton1/thrust,mohamed-ali/thrust,Ricardo666666/thrust,thrust/thrust,GrimDerp/thrust,sdalton1/thrust,thvasilo/thrust,jaredhoberock/thrust,sarvex/thrust,Ricardo666666/thrust,zeryx/thrust,jaredhoberock/thrust,andrewcorrigan/thrust-multi-permutation-iterator,thvasilo/thrust,zeryx/thrust,egaburov/thrust,GrimDerp/thrust,dachziegel/thrust,xiongzhanblake/thrust,andrewcorrigan/thrust-multi-permutation-iterator