find_path(GMP_INCLUDE_DIR gmp.h)

# TODO: get version

find_library(GMP_LIBRARY NAMES gmp)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GMP
    FOUND_VAR GMP_FOUND
    REQUIRED_VARS
        GMP_LIBRARY
        GMP_INCLUDE_DIR
)

if(GMP_FOUND AND NOT TARGET GMP::GMP)
    add_library(GMP::GMP UNKNOWN IMPORTED)
    set_target_properties(GMP::GMP PROPERTIES
        IMPORTED_LOCATION "${GMP_LIBRARY}"
        INTERFACE_INCLUDE_DIRECTORIES "${GMP_INCLUDE_DIR}"
    )
endif()

mark_as_advanced(
    GMP_INCLUDE_DIR
    GMP_LIBRARY
)