Replaced genisoimage with xorriso command

minimal.sh

@@ -32,8 +32,9 @@ cd ../isoimage
 cp ../syslinux-$SYSLINUX_VERSION/bios/core/isolinux.bin .
 cp ../syslinux-$SYSLINUX_VERSION/bios/com32/elflink/ldlinux/ldlinux.c32 .
 echo 'default kernel.gz initrd=rootfs.gz' > ./isolinux.cfg
-genisoimage \
-    -J \
+xorriso \
+  -as mkisofs \
+  -R \
   -r \
   -o ../minimal_linux_live.iso \
   -b isolinux.bin \
@@ -42,7 +43,6 @@ genisoimage \
   -no-emul-boot \
   -boot-load-size 4 \
   -boot-info-table \
-    -joliet-long \
 ./
 cd ..
 set +ex