structure project

makefile

@@ -2,16 +2,15 @@ CC = x86_64-elf-gcc
 LD = x86_64-elf-ld
 AS = nasm
 
+TARGET_PATH = src/arch/x86_64
 CFLAGS 	= -m64 -ffreestanding -fno-builtin -Wall -Wextra -Wshadow -std=c11 -g
 LDFLAGS	= -g
 ASFLAGS	= -f elf64 -g -F dwarf
 
-SRC_C   := src/kernel.c src/mem.c src/pmm.c src/vmm.c src/string.c src/vga.c src/interrupts.c src/keyboard.c
-SRC_ASM := src/start.asm
+SRC_C	:= $(shell find src -name '*.c')
+SRC_ASM := $(shell find src -name '*.asm')
 
-OBJ_C   := $(SRC_C:src/%.c=.build/%.o)
-OBJ_ASM := $(SRC_ASM:src/%.asm=.build/%.o)
-OBJS    := $(OBJ_C) $(OBJ_ASM)
+OBJS := $(patsubst src/%.c, .build/%.o, $(SRC_C)) $(patsubst src/%.asm, .build/%.o, $(SRC_ASM))
 
 iso: .build/nub-os.iso
 	@echo "ISO created at '.build/nub-os.iso'"
@@ -19,9 +18,6 @@ iso: .build/nub-os.iso
 clean:
 	@rm -r .build 2>/dev/null || true
 
-build-dir:
-	mkdir .build 2>/dev/null || true
-
 .build/nub-os.iso: .build/kernel grub.cfg
 	mkdir -p .build/nub-os/boot/grub
 	cp grub.cfg .build/nub-os/boot/grub
@@ -31,8 +27,10 @@ build-dir:
 .build/kernel: $(OBJS)
 	$(LD) $(LDFLAGS) -T linker.ld -o $@ $^
 
-.build/%.o: src/%.c | build-dir
+.build/%.o: src/%.c
+	@mkdir -p $(dir $@)
 	$(CC) $(CFLAGS) -c -o $@ $<
 
-.build/%.o: src/%.asm | build-dir
+.build/%.o: src/%.asm
+	@mkdir -p $(dir $@)
 	$(AS) $(ASFLAGS) -o $@ $<