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if(NOT OPENAL_FOUND)
pkg_check_modules(OPENAL_TMP openal)
find_path(OPENAL_INCLUDE_DIRS NAMES al.h
PATHS
${OPENAL_TMP_INCLUDE_DIRS}
/usr/include/AL
/usr/include
/usr/local/include/AL
/usr/local/include
)
find_library(OPENAL_LIBRARY_DIRS NAMES openal
PATHS
${OPENAL_TMP_LIBRARY_DIRS}
/usr/lib
/usr/local/lib
)
if(OPENAL_INCLUDE_DIRS AND OPENAL_LIBRARY_DIRS)
set(OPENAL_FOUND TRUE CACHE INTERNAL "OpenAL found")
message(STATUS "Found OpenAL: ${OPENAL_LIBRARY_DIRS}, ${OPENAL_INCLUDE_DIRS}")
else()
set(OPENAL_FOUND FALSE CACHE INTERNAL "OpenAL found")
message(STATUS "OpenAL not found.")
endif()
endif()
if(OPENAL_FOUND AND NOT TARGET OpenAL::OpenAL)
add_library(OpenAL::OpenAL UNKNOWN IMPORTED)
set_target_properties(OpenAL::OpenAL PROPERTIES
INCLUDE_DIRECTORIES ${OPENAL_INCLUDE_DIRS}
INTERFACE_LINK_LIBRARIES ${OPENAL_LIBRARY_DIRS}
IMPORTED_LOCATION ${OPENAL_LIBRARY_DIRS}
)
endif()
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