if(OSGEARTH_BUILD_ZIP_PLUGIN) find_package(libzip) if(libzip_FOUND) if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-implicit-fallthrough") endif() add_osgearth_plugin( TARGET osgdb_zip HEADERS ZipArchive.h SOURCES ZipArchive.cpp ReaderWriterZIP.cpp) target_link_libraries(osgdb_zip PRIVATE libzip::zip) endif() endif()