diff -ruN kBuild-0.1.5-orig/src/ash/output.c kBuild-0.1.5/src/ash/output.c
--- kBuild-0.1.5-orig/src/ash/output.c	2009-04-08 18:21:26.000000000 -0400
+++ kBuild-0.1.5/src/ash/output.c	2009-05-22 20:11:49.000000000 -0400
@@ -230,6 +230,7 @@
 	va_end(ap);
 }
 
+#if 0
 void
 dprintf(const char *fmt, ...)
 {
@@ -240,6 +241,7 @@
 	va_end(ap);
 	flushout(out2);
 }
+#endif
 
 void
 fmtstr(char *outbuf, size_t length, const char *fmt, ...)
diff -ruN kBuild-0.1.5-orig/src/ash/output.h kBuild-0.1.5/src/ash/output.h
--- kBuild-0.1.5-orig/src/ash/output.h	2009-04-08 18:21:26.000000000 -0400
+++ kBuild-0.1.5/src/ash/output.h	2009-05-22 20:12:28.000000000 -0400
@@ -65,8 +65,10 @@
     __attribute__((__format__(__printf__,2,3)));
 void out1fmt(const char *, ...)
     __attribute__((__format__(__printf__,1,2)));
+#if 0
 void dprintf(const char *, ...)
     __attribute__((__format__(__printf__,1,2)));
+#endif
 void fmtstr(char *, size_t, const char *, ...)
     __attribute__((__format__(__printf__,3,4)));
 void doformat(struct output *, const char *, va_list);