if(NOT GLM_PACKAGE_DIR) message("ERROR: GLM_PACKAGE_DIR requires to be set") endif(NOT GLM_PACKAGE_DIR) set(GLM_INCLUDE_DIR ${GLM_PACKAGE_DIR}) set(GLM_LIBRARY_DIR ) include_directories(${GLM_INCLUDE_DIR}) if(GLM_PACKAGE_DIR AND GLM_INCLUDE_DIR) set(GLM_FOUND "YES") endif(GLM_PACKAGE_DIR AND GLM_INCLUDE_DIR)