--- kBuild-0.1.9998.2700/src/kash/Makefile.kmk.orig	2013-10-17 13:13:05.000000000 +0200
+++ kBuild-0.1.9998.2700/src/kash/Makefile.kmk	2015-04-10 22:47:10.001420359 +0200
@@ -164,8 +164,8 @@
 kash_USES = lex yacc
 kash_LEXTOOL = FLEX
 kash_LEXFLAGS = -8
-#kash_YACCTOOL = BISON
-kash_YACCTOOL = YACC
+kash_YACCTOOL = BISON
+#kash_YACCTOOL = YACC
 kash_YACCFLAGS = -ld
 kash_SOURCES += \
 	arith.y \