find_package(PkgConfig) if(PKG_CONFIG_FOUND) pkg_check_modules(_NNG nng) endif (PKG_CONFIG_FOUND) FIND_PATH(NNG_INCLUDE_DIR NAMES nng/nng.h PATH_SUFFIXES include ) FIND_LIBRARY(NNG_LIBRARY NAMES nng PATH_SUFFIXES "lib" "local/lib" ) include(FindPackageHandleStandardArgs) find_package_handle_standard_args(nng REQUIRED_VARS NNG_INCLUDE_DIR NNG_LIBRARY) MARK_AS_ADVANCED(NNG_INCLUDE_DIR NNG_LIBRARY)