Implementing some FAT12 code in C

Makefile

@@ -1,9 +1,13 @@
 ASM=nasm
+CC=gcc
 
 SRC_DIR=src
+TOOLS_DIR=tools
 BUILD_DIR=build
 
-.PHONY: all floppy_image kernel bootloader clean always
+.PHONY: all floppy_image kernel bootloader clean always tools_fat
+
+all: floppy_image tools_fat
 
 #
 # Floppy image
@@ -37,6 +41,14 @@ kernel: $(BUILD_DIR)/kernel.bin
 $(BUILD_DIR)/kernel.bin: always
 	$(ASM) $(SRC_DIR)/kernel/main.asm -f bin -o $(BUILD_DIR)/kernel.bin
 
+#
+# Tools
+#
+tools_fat: $(BUILD_DIR)/tools/fat
+$(BUILD_DIR)/tools/fat: always $(TOOLS_DIR)/fat/fat.c
+	mkdir -p $(BUILD_DIR)/tools
+	$(CC) -g -o $(BUILD_DIR)/tools/fat $(TOOLS_DIR)/fat/fat.c
+
 #
 # Always
 #