if(Ogg_INCLUDE_DIR AND Ogg_LIBRARY) set(Ogg_FIND_QUIETLY TRUE) endif() find_path(Ogg_INCLUDE_DIR ogg/ogg.h /usr/local/include /usr/include ) find_library(Ogg_LIBRARY NAMES ogg PATHS /usr/local/lib /usr/lib ) set(Ogg_LIBRARIES ${Ogg_LIBRARY}) if(Ogg_INCLUDE_DIR AND Ogg_LIBRARY) set(Ogg_FOUND TRUE) endif() if (Ogg_FOUND) if(NOT Ogg_FIND_QUIETLY) message(STATUS "Found libogg: ${Ogg_INCLUDE_DIR}") endif() else() if(Ogg_FIND_REQUIRED) message(FATAL_ERROR "Could not find libogg") endif() endif()