-AC_CHECK_LIB([popt], [poptGetNextOpt])
-AC_CHECK_LIB([gmodule-2.0], [g_module_open])
-AC_CHECK_LIB([dl], [dlopen])
-AC_CHECK_LIB([glib-2.0], [g_malloc])
+AC_CHECK_LIB([popt], [poptGetNextOpt], ,AC_MSG_ERROR([libpopt is required in order to compile LinuxTraceToolkit]) )