CC src/sys/char.c -> build/obj/src/sys/char.c.o
CC src/sys/utils.c -> build/obj/src/sys/utils.c.o
CC src/drivers/keyboard/keyboard.c -> build/obj/src/drivers/keyboard/keyboard.c.o
CC src/drivers/vga/vga.c -> build/obj/src/drivers/vga/vga.c.o
AS src/bootloader/boot.s -> build/obj/src/bootloader/boot.s.o
CC src/kernel/stdio.c -> build/obj/src/kernel/stdio.c.o
src/kernel/stdio.c: In function ‘__kprintf’:
src/kernel/stdio.c:60:15: warning: comparison of unsigned expression in ‘< 0’ is always false [-Wtype-limits]
   60 |         if (i < 0)
      |               ^
CC src/kernel/cpu/ports.c -> build/obj/src/kernel/cpu/ports.c.o
CC src/kernel/kernel.c -> build/obj/src/kernel/kernel.c.o
CC src/kernel/errno.c -> build/obj/src/kernel/errno.c.o
\nLinking -> build/boot/TinyKernel.bin
mcopy: No directory slots
grub-mkrescue: error: `mcopy` invocation failed
.
make: *** [Makefile:52: iso] Error 1