if (NOT WIN32)
	find_package(PkgConfig)
	if (PKG_CONFIG_FOUND)
		pkg_check_modules(PQXX libpqxx)
		if (PQXX_FOUND)
			if (PQXX_VERSION STRGREATER "8")
				message(STATUS "libpqxx version ${PQXX_VERSION}, requesting c++20")
				set (CMAKE_CXX_STANDARD 20)
			elseif (PQXX_VERSION STRGREATER "7")
				message(STATUS "libpqxx version ${PQXX_VERSION}, requesting c++17")
				set (CMAKE_CXX_STANDARD 17)
			endif()
		endif()
	endif()
else()

	FIND_PATH(PQXX_INCLUDE_DIR pqxx/pqxx PATHS)
	MARK_AS_ADVANCED(PQXX_INCLUDE_DIR)

	FIND_LIBRARY(PQXX_LIBRARIES pqxx )
	MARK_AS_ADVANCED(PQXX_LIBRARIES)

	FIND_LIBRARY(PQ_LIBRARY pq )
	MARK_AS_ADVANCED(PQ_LIBRARY)

	if(PQXX_LIBRARY AND PQ_LIBRARY AND PQXX_INCLUDE_DIR)
		set( PQXX_FOUND 1 )
		message( STATUS "Found pqxx: ${PQXX_LIBRARIES}, ${PQ_LIBRARY}, ${PQXX_INCLUDE_DIR}")
		if (PQXX_VERSION STRGREATER "8")
			message(STATUS "libpqxx version ${PQXX_VERSION}, requesting c++20")
			set (CMAKE_CXX_STANDARD 20)
		elseif (PQXX_VERSION STRGREATER "7")
			message(STATUS "libpqxx version ${PQXX_VERSION}, requesting c++17")
			set (CMAKE_CXX_STANDARD 17)
		endif()
	else()
		message(STATUS "Could NOT find pqxx and pq library")
	endif()
endif()