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function(maybe_add_static_define)
get_filename_component(aruco-ext "${SDK_ARUCO_LIBPATH}" EXT)
string(TOLOWER "${aruco-ext}" aruco-ext)
if(aruco-ext STREQUAL ".lib" OR aruco-ext STREQUAL ".a")
add_definitions(-DARUCO_STATIC)
endif()
endfunction()
find_package(OpenCV QUIET)
if(OpenCV_FOUND)
set(SDK_ARUCO_LIBPATH "" CACHE FILEPATH "Aruco paper marker tracker static library path")
if(SDK_ARUCO_LIBPATH)
maybe_add_static_define()
set(modules "${SDK_ARUCO_LIBPATH}" opencv_calib3d opencv_imgproc opencv_core)
get_filename_component(dir "${SDK_ARUCO_LIBPATH}" DIRECTORY)
get_filename_component(dir "${dir}" ABSOLUTE)
set(dir "${dir}/include")
file(TIMESTAMP "${SDK_ARUCO_LIBPATH}" tm "%s" UTC)
set(cache-str "${tm}^|^${SDK_ARUCO_LIBPATH}")
if(NOT aruco_has-working-abi STREQUAL "${cache-str}")
try_compile(result "${CMAKE_CURRENT_BINARY_DIR}"
SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/compile-test/abi.cpp"
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${dir}"
OUTPUT_VARIABLE krap)
if(NOT result)
message(FATAL_ERROR "${krap}\n" "Must use Aruco fork from <https://github.com/opentrack/aruco>")
endif()
set(aruco_has-working-abi "${cache-str}" CACHE INTERNAL "" FORCE)
endif()
otr_module(tracker-aruco)
target_include_directories(${self} SYSTEM PUBLIC ${OpenCV_INCLUDE_DIRS} "${dir}")
target_link_libraries(${self} opentrack-cv opentrack-video ${modules})
endif()
endif()
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