set(HAVE_LIBSODIUM FALSE) get_property(nacl_required GLOBAL PROPERTY NACL_REQUIRED) if(${nacl_required}) if("${NACL_LIBRARIES}" STREQUAL "") message(FATAL_ERROR "NaCl is not available, but a selected module needs it") endif() if(USE_LIBSODIUM) set(HAVE_LIBSODIUM TRUE) endif(USE_LIBSODIUM) else(${nacl_required}) set(NACL_INCLUDE_DIRS "") set(NACL_CFLAGS_OTHER "") set(NACL_LIBRARY_DIRS "") set(NACL_LIBRARIES "") set(NACL_LDFLAGS_OTHER "") endif(${nacl_required})