--- xen-4.6.1/extras/mini-os/Makefile~	2016-04-07 22:37:10.000000000 +0900
+++ xen-4.6.1/extras/mini-os/Makefile	2016-04-07 22:41:43.295354712 +0900
@@ -7,9 +7,9 @@
 OBJ_DIR=$(CURDIR)
 TOPLEVEL_DIR=$(CURDIR)
 
-ifeq ($(MINIOS_CONFIG),)
 include Config.mk
-else
+
+ifneq ($(MINIOS_CONFIG),)
 EXTRA_DEPS += $(MINIOS_CONFIG)
 include $(MINIOS_CONFIG)
 endif
--- xen-4.6.1/stubdom/Makefile.orig	2016-04-07 23:04:54.871970996 +0900
+++ xen-4.6.1/stubdom/Makefile	2016-04-07 23:06:06.096784272 +0900
@@ -171,6 +171,7 @@
 	rm $@ -rf || :
 	mv gmp-$(GMP_VERSION) $@
 	#patch -d $@ -p0 < gmp.patch
+	sed -i.bak 's/\(\s*\)\(fprintf (f,\)\(.*\)/\1\2\3\n\1clearerr(f);/' $@/configure
 	cd $@; CPPFLAGS="-isystem $(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/include $(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" CC=$(CC) $(GMPEXT) ./configure --disable-shared --enable-static --disable-fft --without-readline --prefix=$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf --build=$(GNU_TARGET_ARCH)
 	sed -i 's/#define HAVE_OBSTACK_VPRINTF 1/\/\/#define HAVE_OBSTACK_VPRINTF 1/' $@/config.h
 	touch $@