short ftdi bit bang test

Makefile

@@ -11,6 +11,11 @@ BIN_DIR = bin
 
 INCLUDES := inc
 
+#Alpine Linux ftdi include path
+INCLUDES += /usr/include/libftdi1
+LIBS := ftdi
+
+LD_FLAGS :=
 C_FLAGS := -O0 -g
 CPP_FLAGS := $(addprefix -I, $(INCLUDES))
 
@@ -27,7 +32,7 @@ all: $(TARGET)
 
 $(TARGET): $(OBJS) $(THIS_MAKEFILE)
 	@mkdir -p $(BIN_DIR)
-	$(CC) $(LD_FLAGS) $(OBJS) $(LIBS) -o $@
+	$(CC) $(C_FLAGS) $(LD_FLAGS) $(OBJS) $(addprefix -l,$(LIBS)) -o $@
 
 .PRECIOUS: $(OBJ_DIR)/%.d
 $(OBJ_DIR)/%.d: $(SRC_DIR)/%.c