Add includes from each directory

Makefile

@@ -1,6 +1,6 @@
 # Parameter for current board
-#BOARD?=system76/galp3-c
-BOARD?=arduino/mega2560
+BOARD?=system76/galp3-c
+#BOARD?=arduino/mega2560
 
 # Set build directory
 BUILD=build/$(BOARD)
@@ -14,26 +14,30 @@ clean:
 
 # Include common source
 SRC=$(wildcard src/*.c)
-INCLUDE=$(wildcard src/include/*.h)
+INCLUDE=$(wildcard src/include/common/*.h)
+CFLAGS=-Isrc/include
 
 # Include the board's source
 BOARD_DIR=src/board/$(BOARD)
 SRC+=$(wildcard $(BOARD_DIR)/*.c)
-INCLUDE+=$(wildcard $(BOARD_DIR)/include/*.h)
+INCLUDE+=$(wildcard $(BOARD_DIR)/include/board/*.h)
+CFLAGS+=-I$(BOARD_DIR)/include
 include $(BOARD_DIR)/board.mk
 
 # The board will define the embedded controller
 # Include the embedded controller's source
 EC_DIR=src/ec/$(EC)
 SRC+=$(wildcard $(EC_DIR)/*.c)
-INCLUDE+=$(wildcard $(EC_DIR)/include/*.h)
+INCLUDE+=$(wildcard $(EC_DIR)/include/ec/*.h)
+CFLAGS+=-I$(EC_DIR)/include
 include $(EC_DIR)/ec.mk
 
 # The EC will define the architecture
 # Include the architecture's source
 ARCH_DIR=src/arch/$(ARCH)
 SRC+=$(wildcard $(ARCH_DIR)/*.c)
-INCLUDE+=$(wildcard $(ARCH_DIR)/include/*.h)
+INCLUDE+=$(wildcard $(ARCH_DIR)/include/arch/*.h)
+CFLAGS+=-I$(ARCH_DIR)/include
 include $(ARCH_DIR)/arch.mk
 
 # The architecture defines build targets, no more is required

src/arch/8051/arch.mk

@@ -22,4 +22,4 @@ $(BUILD)/ec.ihx: $(OBJ)
 # Compile C files into object files
 $(BUILD)/%.rel: src/%.c $(INCLUDE)
 	@mkdir -p $(@D)
-	$(CC) -o $@ -c $<
+	$(CC) $(CFLAGS) -o $@ -c $<

src/arch/avr/arch.mk

@@ -23,4 +23,4 @@ $(BUILD)/ec.elf: $(OBJ)
 # Compile C files into object files
 $(BUILD)/%.o: src/%.c $(INCLUDE)
 	@mkdir -p $(@D)
-	$(CC) -o $@ -c $<
+	$(CC) $(CFLAGS) -o $@ -c $<