fix build

Signed-off-by: Anton Dukhovnikov <antond@wetafx.co.nz>

Author: antond-weta

configure.cmake

@@ -1,6 +1,7 @@
 # Until we get some of these modules into the upstream packages, put them here
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules/")
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_INSTALL_PREFIX}/lib/CMake")
+set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} "${CMAKE_SOURCE_DIR}/../")
 
 message("CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}")
 message("CMAKE_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX}")