+
+#build for arm64 EFI
+PATH=$PATH:/opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin
+make distclean
+./autogen.sh
+./configure --prefix=$VT_GRUB_DIR/INSTALL/ \
+--target=aarch64 --with-platform=efi \
+--host=x86_64-linux-gnu \
+HOST_CC=x86_64-linux-gnu-gcc \
+BUILD_CC=gcc \
+TARGET_CC=aarch64-linux-gnu-gcc \
+TARGET_OBJCOPY=aarch64-linux-gnu-objcopy \
+TARGET_STRIP=aarch64-linux-gnu-strip TARGET_NM=aarch64-linux-gnu-nm \
+TARGET_RANLIB=aarch64-linux-gnu-ranlib
+make -j 16
+sh install.sh arm64
+
+
+
+# build for i386-pc
+./autogen.sh
+./configure --prefix=$VT_GRUB_DIR/INSTALL/
+make -j 16
+sh install.sh
+
+
+