--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -81,6 +81,7 @@ MOSTLYCLEANFILES = yacc
 
 yacc:
 	$(AM_V_GEN)echo '#! /bin/sh' >$@
+	$(AM_V_at)echo 'test -n "$$STAGING_DIR" && exec "$$STAGING_DIR/../host/bin/bison" -y "$$@"' >>$@
 	$(AM_V_at)echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
 	$(AM_V_at)chmod a+x $@
 
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1919,6 +1919,7 @@ uninstall-am: uninstall-binPROGRAMS unin
 
 yacc:
 	$(AM_V_GEN)echo '#! /bin/sh' >$@
+	$(AM_V_at)echo 'test -n "$$STAGING_DIR" && exec "$$STAGING_DIR/../host/bin/bison" -y "$$@"' >>$@
 	$(AM_V_at)echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
 	$(AM_V_at)chmod a+x $@