static Atom XA_RESTART, XA_PREFS, XA_THROTTLE, XA_UNTHROTTLE;
static char *screensaver_version;
+# ifdef __GNUC__
+ __extension__ /* don't warn about "string length is greater than the
+ length ISO C89 compilers are required to support" in the
+ usage string... */
+# endif
static char *usage = "\n\
usage: %s -<option>\n\
\n\