diff --git a/BaseBuild/Basesys/bison b/BaseBuild/Basesys/bison
index c44660e..3000908 100644
--- a/BaseBuild/Basesys/bison
+++ b/BaseBuild/Basesys/bison
@@ -73,9 +73,21 @@ premk() {
 	mkdir -p $TMPROOT/usr/share
 }
 
+mk32() {
+	CC="gcc ${BUILDOPTIONS32}" \
+	./configure --prefix=/usr &&
+	make -j $NUMCPU &&
+	make -j $NUMCPU DESTDIR=$TMPROOT install &&
+	make distclean 
+}
+
 mk() {
+	if [ ${MK64BIT} == "true" ]; then
+		ADDOPTIONS="--libdir=\${prefix}/lib64"
+	fi
 	CC="gcc ${BUILDOPTIONS}"
 	./configure --host=$TARGET \
+		    $ADDOPTIONS \
 		    --prefix=/usr &&
 	make -j $NUMCPU &&
 	MakeCheck -j $NUMCPU check &&