Checking patch hurd/Makefile...
error: while searching for:

# Make it simpler to unwind over INTR_MSG_TRAP
CFLAGS-intr-msg.o = -fno-omit-frame-pointer
?
# Make generated headers compatible with all support standards
migheaderpipe := | sed -e 's/\<ino64_t\>/__ino64_t/' -e 's/\<loff_t\>/__loff_t/'

error: patch failed: hurd/Makefile:92
Applying patch hurd/Makefile with 1 reject...
Rejected hunk #1.