Index: cscope-15.5/src/egrep.y
===================================================================
--- cscope-15.5.orig/src/egrep.y
+++ cscope-15.5/src/egrep.y
@@ -605,7 +605,7 @@ done:	(void) fclose(fptr);
 
 /* FIXME HBB: should export this to a separate file and use
  * AC_REPLACE_FUNCS() */
-#if BSD
+#ifndef HAVE_MEMSET
 /*LINTLIBRARY*/
 /*
  * Set an array of n chars starting at sp to the character c.