Rename inc -> include for sake of convention

common.mk

@@ -27,7 +27,7 @@ endif
 CFLAGS ?= -g -O3 $(ARCH_CFLAGS) -flto -DNDEBUG
 LDFLAGS ?= -flto
 
-CFLAGS += -std=gnu11 -D_GNU_SOURCE -Iinc 
+CFLAGS += -std=gnu11 -D_GNU_SOURCE -Iinclude
 
 CC_OBJ = $(CC) -c $(CFLAGS) $< -o $@ -MMD -MP -MF $(@:.o=.deps)
 LINK_EXE = $(CC) $^ $(LDFLAGS) -o $@

examples/Makefile

@@ -17,8 +17,8 @@ $(BUILD_DIR)/png-server: $(BUILD_DIR)/png-server.o $(BUILD_DIR)/pngfb.o
 
 $(BUILD_DIR)/draw: $(BUILD_DIR)/draw.o ; $(LINK_EXE)
 
-$(BUILD_DIR)/%.o: %.c | $(BUILD_DIR) ; $(CC_OBJ) -I../inc
+$(BUILD_DIR)/%.o: %.c | $(BUILD_DIR) ; $(CC_OBJ) -I../include
 
 $(BUILD_DIR)/pngfb.o: ../src/pngfb.c | $(BUILD_DIR)
-	$(CC_OBJ) -I../inc
+	$(CC_OBJ) -I../include