--- getopt.c.dist	2009-04-22 18:20:26.073936080 +0100
+++ getopt.c	2009-04-22 18:20:47.800892720 +0100
@@ -79,6 +79,10 @@
 # endif
 #endif
 
+#ifdef __sgi
+# include <string.h>
+#endif
+
 #ifndef _
 /* This is for other GNU distributions with internationalized messages.
    When compiling libc, the _ macro is predefined.  */