project(input-topojson) add_library(input-topojson SHARED topojson_datasource.cpp topojson_featureset.cpp ) add_library(mapnik::plugin::input::topojson ALIAS input-topojson) target_link_libraries(input-topojson PRIVATE mapnik::core mapnik::mapnik mapnik::json ) set_target_properties(input-topojson PROPERTIES PREFIX "") set_target_properties(input-topojson PROPERTIES OUTPUT_NAME "topojson") set_target_properties(input-topojson PROPERTIES SUFFIX ".input") mapnik_install(TARGET input-topojson IS_PLUGIN)