cmake HAS_TYPE_META examples

eclipse-cyclonedds/cyclonedds src/tools/idlc/xtests/CMakeLists.txt :112

set_property(
      TEST "idlc_${_base}"
      APPEND PROPERTY ENVIRONMENT
        "CC=${CMAKE_C_COMPILER}"
        "IDLC=$<TARGET_FILE:CycloneDDS::idlc>"
        "MAINC=${CMAKE_CURRENT_SOURCE_DIR}/main.c"
        "TEST_INCLUDE_PATHS=${_includes}"
        "TEST_LIB_PATHS=${_libs}"
        "CDDS_LIB_PATH=$<TARGET_LINKER_FILE_DIR:CycloneDDS::ddsc>"
        "CDDS_BIN_PATH=$<TARGET_FILE_DIR:CycloneDDS::ddsc>"
        "SANITIZER=${SANITIZER}"
        "HAS_TYPE_META=${_type_meta}")