if(NOT TARGET VPX::VPX)
    find_package(unofficial-libvpx CONFIG QUIET)
    if(TARGET unofficial::libvpx::libvpx)
        # vcpkg has erased the debug library suffix, so CMake can only detect the release library.
        # So, we make an interface target to vcpkg's exported target that has both imported libraries.
        add_library(VPX::VPX INTERFACE IMPORTED)
        set_target_properties(VPX::VPX PROPERTIES
            INTERFACE_LINK_LIBRARIES unofficial::libvpx::libvpx
        )
        set(VPX_FOUND TRUE)
    else()
        include(FindPackageHandleStandardArgs)
        include(SelectLibraryConfigurations)

        find_path(VPX_INCLUDE_DIR vpx/vp8.h
                /usr/local/include
                /usr/include
        )

        find_library(VPX_LIBRARY_RELEASE NAMES vpxmt vpxmd vpx
                    PATHS /usr/local/lib /usr/lib
        )
        find_library(VPX_LIBRARY_DEBUG NAMES vpxmtd vpxmdd vpxd
                    PATHS /usr/local/lib /usr/lib
        )

        select_library_configurations(VPX)
        find_package_handle_standard_args(VPX REQUIRED_VARS VPX_INCLUDE_DIR VPX_LIBRARY)

        if(VPX_FOUND)
            add_library(VPX::VPX UNKNOWN IMPORTED)
            set_target_properties(
                VPX::VPX PROPERTIES
                INTERFACE_INCLUDE_DIRECTORIES ${VPX_INCLUDE_DIR}
            )
            if(EXISTS "${VPX_LIBRARY_DEBUG}" AND EXISTS "${VPX_LIBRARY_RELEASE}")
                set_target_properties(
                    VPX::VPX PROPERTIES
                    IMPORTED_LOCATION_DEBUG ${VPX_LIBRARY_DEBUG}
                    IMPORTED_LOCATION_RELEASE ${VPX_LIBRARY_RELEASE}
                    MAP_IMPORTED_CONFIG_MINSIZEREL Release
                    MAP_IMPORTED_CONFIG_RELWITHDEBINFO Release
                )
            else()
                set_target_properties(
                    VPX::VPX PROPERTIES
                    IMPORTED_LOCATION ${VPX_LIBRARY}
                )
            endif()
        endif()
    endif()
endif()