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# -*- cmake -*-
include(Linking)
include(Prebuilt)
include_guard()
# ND: Turn this off by default, the openal code in the viewer isn't very well maintained, seems
# to have memory leaks, has no option to play music streams
# It probably makes sense to to completely remove it
set(USE_OPENAL ON CACHE BOOL "Enable OpenAL")
# ND: To streamline arguments passed, switch from OPENAL to USE_OPENAL
# To not break all old build scripts convert old arguments but warn about it
if(OPENAL)
message( WARNING "Use of the OPENAL argument is deprecated, please switch to USE_OPENAL")
set(USE_OPENAL ${OPENAL})
endif()
if (USE_OPENAL)
add_library( ll::openal INTERFACE IMPORTED )
target_compile_definitions( ll::openal INTERFACE LL_OPENAL=1)
include(FindPkgConfig)
pkg_check_modules(Openal REQUIRED freealut)
target_include_directories(ll::openal SYSTEM INTERFACE ${Openal_INCLUDE_DIRS})
target_link_directories(ll::openal INTERFACE ${Openal_LIBRARY_DIRS})
target_link_libraries(ll::openal INTERFACE ${Openal_LIBRARIES})
return ()
target_include_directories( ll::openal SYSTEM INTERFACE "${LIBS_PREBUILT_DIR}/include/AL")
target_compile_definitions( ll::openal INTERFACE LL_OPENAL=1)
use_prebuilt_binary(openal)
find_library(OPENAL_LIBRARY
NAMES
OpenAL32
openal
libopenal.dylib
libopenal.so
PATHS "${ARCH_PREBUILT_DIRS_RELEASE}" REQUIRED NO_DEFAULT_PATH)
find_library(ALUT_LIBRARY
NAMES
alut
libalut.dylib
libalut.so
PATHS "${ARCH_PREBUILT_DIRS_RELEASE}" REQUIRED NO_DEFAULT_PATH)
target_link_libraries(ll::openal INTERFACE ${OPENAL_LIBRARY} ${ALUT_LIBRARY})
endif ()
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