unix: !mac{
	exists( /usr/lib/libboost_thread-mt.so ){
		message("Found libboost_thread-mt")
		LIBS += -lboost_thread-mt
	}
	exists( /usr/lib64/libboost_thread-mt.so ){
		message("Found libboost_thread-mt")
		LIBS += -lboost_thread-mt
	}
	!exists( /usr/lib/libboost_thread-mt.so ){
		exists( /usr/lib/libboost_thread.so ){
			message("Found libboost_thread")
			LIBS += -lboost_thread
		}
	}
	!exists( /usr/lib64/libboost_thread-mt.so ){
		exists( /usr/lib64/libboost_thread.so ){
			message("Found libboost_thread")
			LIBS += -lboost_thread
		}
	}

	exists( /usr/lib/libboost_filesystem-mt.so ){
		message("Found libboost_filesystem-mt")
		LIBS += -lboost_filesystem-mt
	}
	exists( /usr/lib64/libboost_filesystem-mt.so ){
		message("Found libboost_filesystem-mt")
		LIBS += -lboost_filesystem-mt
	}
	!exists( /usr/lib/libboost_filesystem-mt.so ){
		exists( /usr/lib/libboost_filesystem.so ){
			message("Found libboost_filesystem")
			LIBS += -lboost_filesystem
		}
	}
	!exists( /usr/lib64/libboost_filesystem-mt.so ){
		exists( /usr/lib64/libboost_filesystem.so ){
			message("Found libboost_filesystem")
			LIBS += -lboost_filesystem
		}
	}