Testing error

[stefanasandei]

I'm trying to run on Qemu ultronOS. I have some errors...

Here is the terminal output:

$ make run
g++ -MM -MD -I./kernel/include -o kernel/modules/timer.d kernel/modules/timer.cc
g++ -MM -MD -I./kernel/include -o kernel/modules/keyboard.d kernel/modules/keyboard.cc
g++ -MM -MD -I./kernel/include -o kernel/modules/monitor.d kernel/modules/monitor.cc
g++ -MM -MD -I./kernel/include -o kernel/modules/memory.d kernel/modules/memory.cc
g++ -MM -MD -I./kernel/include -o kernel/modules/common.d kernel/modules/common.cc
g++ -MM -MD -I./kernel/include -o kernel/core/gdt.d kernel/core/gdt.cc
g++ -MM -MD -I./kernel/include -o kernel/core/idt.d kernel/core/idt.cc
g++ -MM -MD -I./kernel/include -o kernel/core/io.d kernel/core/io.cc
g++ -MM -MD -I./kernel/include -o kernel/core/isr.d kernel/core/isr.cc
g++ -MM -MD -I./kernel/include -o kernel/main.d kernel/main.cc
nasm -f elf kernel/boot/boot.s -o kernel/boot/boot.s.o
nasm -f elf kernel/arch/interrupt.s -o kernel/arch/interrupt.s.o
nasm -f elf kernel/arch/idt.s -o kernel/arch/idt.s.o
nasm -f elf kernel/arch/gdt.s -o kernel/arch/gdt.s.o
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/main.o kernel/main.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/core/isr.o kernel/core/isr.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/core/io.o kernel/core/io.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/core/idt.o kernel/core/idt.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/core/gdt.o kernel/core/gdt.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/modules/common.o kernel/modules/common.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/modules/memory.o kernel/modules/memory.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/modules/monitor.o kernel/modules/monitor.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/modules/keyboard.o kernel/modules/keyboard.cc
g++ -c -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding -m32 -I./kernel/include -o kernel/modules/timer.o kernel/modules/timer.cc
ld -m elf_i386 -T link.ld -o build/ultron.bin kernel/boot/boot.s.o kernel/arch/interrupt.s.o kernel/arch/idt.s.o kernel/arch/gdt.s.o kernel/main.o kernel/core/isr.o kernel/core/io.o kernel/core/idt.o kernel/core/gdt.o kernel/modules/common.o kernel/modules/memory.o kernel/modules/monitor.o kernel/modules/keyboard.o kernel/modules/timer.o
qemu-system-i386 -kernel 'build/ultron.bin'
Could not initialize SDL(No available video device) - exiting
Makefile:42: recipe for target 'run' failed
make: *** [run] Error 1

Please help me!