cmake_minimum_required(VERSION 2.8.12) project(ExportLanguagesTest) include(${CMAKE_CURRENT_BINARY_DIR}/../BExport.cmake) get_property(configs TARGET ExpExportLanguagesB PROPERTY IMPORTED_CONFIGURATIONS) foreach(c ${configs}) get_property(langs TARGET ExpExportLanguagesB PROPERTY IMPORTED_LINK_INTERFACE_LANGUAGES_${c}) list(FIND langs CXX pos) if(${pos} LESS 0) message(FATAL_ERROR "Target export does not list object library languages.") endif() endforeach()