diff --git a/CMakeTests/FindALSA.cmake b/CMakeTests/FindALSA.cmake index 86c1510287..45e2bccdf4 100644 --- a/CMakeTests/FindALSA.cmake +++ b/CMakeTests/FindALSA.cmake @@ -47,11 +47,13 @@ FIND_PACKAGE_HANDLE_STANDARD_ARGS(ALSA if(ALSA_FOUND) set( ALSA_LIBRARIES ${ALSA_LIBRARY} ) set( ALSA_INCLUDE_DIRS ${ALSA_INCLUDE_DIR} ) - add_library(ALSA::ALSA UNKNOWN IMPORTED) - set_target_properties(ALSA::ALSA PROPERTIES - IMPORTED_LOCATION ${ALSA_LIBRARY} - INTERFACE_INCLUDE_DIRECTORIES ${ALSA_INCLUDE_DIR} - ) + if(NOT TARGET ALSA::ALSA) + add_library(ALSA::ALSA UNKNOWN IMPORTED) + set_target_properties(ALSA::ALSA PROPERTIES + IMPORTED_LOCATION ${ALSA_LIBRARY} + INTERFACE_INCLUDE_DIRECTORIES ${ALSA_INCLUDE_DIR} + ) + endif() endif() mark_as_advanced(ALSA_INCLUDE_DIR ALSA_LIBRARY)