The link order in yacc.mk is wrong. Try building with this patch. Cheers, Anthony
diff -r 12764b326f2b yacc.mk
--- a/yacc.mk Sun Feb 12 23:13:17 2012 +0100
+++ b/yacc.mk Sun Feb 26 17:26:11 2012 -0800
@@ -35,4 +35,4 @@
${TARG}: ${OFILES}
@echo LD ${TARG}
- @${CC} ${LDFLAGS} -o ${TARG} ${OFILES} -lm -L../lib9 -l9
+ @${CC} ${LDFLAGS} -o ${TARG} ${OFILES} -L../lib9 -l9 -lm
