Added a Bash script to increment or decrement build numbers.

Makefile

@@ -0,0 +1,55 @@
+CC = gcc
+GCCPARAMS = -m32 -fno-pie -nostdlib -fstrength-reduce -fomit-frame-pointer -finline-functions -fno-builtin -nostdinc -fno-stack-protector
+ASPARAMS = -f elf32
+LDPARAMS = -m elf_i386
+INCBULDNUM = sh make_buildnum.sh
+
+SRC := kernel
+OBJ := obj
+
+SOURCES := $(wildcard $(SRC)/*.c)
+ASMSOURCES := $(wildcard $(SRC)/*.asm)
+OBJECTS := $(patsubst $(SRC)/%.c, $(OBJ)/%.o, $(SOURCES))
+ASMOBJECTS := $(patsubst $(SRC)/%.asm, $(OBJ)/%.o, $(ASMSOURCES))
+
+run:kernel.iso
+	qemu-system-x86_64 -serial pipe:/tmp/guest -m 256M -cdrom kernel.iso &
+
+$(OBJ)/%.o: $(SRC)/%.c
+	mkdir -p $(@D)
+	$(CC) $(GCCPARAMS) $(SRC) -c -o $@ $<
+
+$(OBJ)/%.o: $(SRC)/%.asm
+	mkdir -p $(@D)
+	nasm $(ASPARAMS) -o $@ $<
+	
+kernel.bin: $(OBJECTS) $(ASMOBJECTS)
+	@#Crap way to increment the build number, but will do for now
+	@#thanks to my limited knowledge of Makefiles.
+	@#Sadly this number in the compiled code will always be off by one with this method....
+	@sh make_buildnum.sh
+	mkdir -p obj/bin
+	ld $(LDPARAMS) -T linker.ld -o obj/bin/$@ $(OBJECTS) $(ASMOBJECTS)
+
+kernel.iso: kernel.bin
+	mkdir iso
+	mkdir iso/boot
+	mkdir iso/boot/grub
+	cp obj/bin/kernel.bin iso/boot/kernel.bin
+	echo 'set timeout=0' > iso/boot/grub/grub.cfg
+	echo 'set default=0' >> iso/boot/grub/grub.cfg
+	echo '' >> iso/boot/grub/grub.cfg
+	echo 'menuentry "SDOS" {'  >> iso/boot/grub/grub.cfg
+	echo '  multiboot /boot/kernel.bin'    	 >> iso/boot/grub/grub.cfg
+	echo '  boot'                            >> iso/boot/grub/grub.cfg
+	echo '}'                                 >> iso/boot/grub/grub.cfg
+	grub-mkrescue --output=kernel.iso iso
+	rm -rf iso
+	
+.PHONY: clean
+clean:
+	rm -rf obj/* kernel.iso
+
+.PHONY: resetbuild
+resetbuild:
+	echo 0 > build.number