#copied from here, thank you #https://github.com/sipwise/sems/blob/master/cmake/FindLame.cmake FIND_PATH(LAME_INCLUDE_DIR lame/lame.h) FIND_LIBRARY(LAME_LIBRARIES NAMES mp3lame) IF(LAME_INCLUDE_DIR AND LAME_LIBRARIES) SET(LAME_FOUND TRUE) ENDIF(LAME_INCLUDE_DIR AND LAME_LIBRARIES) IF(LAME_FOUND) IF (NOT Lame_FIND_QUIETLY) MESSAGE(STATUS "Found lame includes: ${LAME_INCLUDE_DIR}/lame/lame.h") MESSAGE(STATUS "Found lame library: ${LAME_LIBRARIES}") ENDIF (NOT Lame_FIND_QUIETLY) ELSE(LAME_FOUND) IF (Lame_FIND_REQUIRED) MESSAGE(FATAL_ERROR "Could NOT find lame development files") ENDIF (Lame_FIND_REQUIRED) ENDIF(LAME_FOUND)