Include backend #define in CXXFLAGS
Include backend #define in CXXFLAGS

bfurtaw/thrust,julianromera/thrust,malenie/thrust,h1arshad/thrust,UIKit0/thrust,julianromera/thrust,h1arshad/thrust,google-code-export/thrust,malenie/thrust,levendlee/thrust,Vishwa07/thrust,hemmingway/thrust,rdmenezes/thrust,allendaicool/thrust,levendlee/thrust,UIKit0/thrust,levendlee/thrust,Vishwa07/thrust,google-code-export/thrust,bfurtaw/thrust,hemmingway/thrust,UIKit0/thrust,lishi0927/thrust,malenie/thrust,rdmenezes/thrust,Vishwa07/thrust,julianromera/thrust,bfurtaw/thrust,bfurtaw/thrust,malenie/thrust,UIKit0/thrust,lishi0927/thrust,google-code-export/thrust,Vishwa07/thrust,allendaicool/thrust,allendaicool/thrust,h1arshad/thrust,rdmenezes/thrust,allendaicool/thrust,hemmingway/thrust,levendlee/thrust,h1arshad/thrust,lishi0927/thrust,google-code-export/thrust,hemmingway/thrust,rdmenezes/thrust,lishi0927/thrust,julianromera/thrust