--- xen-4.9.0/stubdom/Makefile.orig	2017-07-30 20:44:13.036244212 +0200
+++ xen-4.9.0/stubdom/Makefile	2017-07-30 21:04:31.269563636 +0200
@@ -178,6 +178,7 @@
 	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)/$(GNU_TARGET_ARCH)-xen-elf --libdir=$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/lib --build=`gcc -dumpmachine` --host=$(GNU_TARGET_ARCH)-xen-elf
 	sed -i 's/#define HAVE_OBSTACK_VPRINTF 1/\/\/#define HAVE_OBSTACK_VPRINTF 1/' $@/config.h
 	touch $@