ifeq ($(KERNEL_DEBUGGER),y)
  EXTRA_CFLAGS += -g -O2
endif	
ifeq ($(DEBUG),y)
  EXTRA_CFLAGS += -DSDIO_DEBUG -O2
else
  EXTRA_CFLAGS += -O2
endif	

-include ../../../Rules.make

# If KERNEL_DIR is not set then use the default in Rules.make
KERNEL_DIR ?= ${LINUXKERNEL_INSTALL_DIR}
DEST_DIR ?= ${DESTDIR}

PLATFORM ?= "unknown"
MACHINE_NAME ?= "unknown"

# Use the PLATFORM value from the Rules.make if it was sourced
ifeq ($(PLATFORM), am335x-evm)
    MACHINE_NAME := "am335x"
endif
ifeq ($(PLATFORM), am180x-evm)
    MACHINE_NAME := "am1808"
endif
ifeq ($(PLATFORM), da850-omapl138-evm)
    MACHINE_NAME := "am1808"
endif
ifeq ($(PLATFORM), am37x-evm)
    MACHINE_NAME := "omap3evm"
endif

# If CROSS_COMPILE is not set by Rules.make then set a sane default
CROSS_COMPILE ?= arm-arago-linux-gnueabi-
export CROSS_COMPILE

# set the INSTALL_MOD_DIR so that the executables won't be placed in extra
INSTALL_MOD_DIR = kernel/drivers/bt_enable
export INSTALL_MOD_DIR

obj-m := gpio_en.o

MAKE_ENV = ARCH=arm

PWD := $(shell pwd)
all:
	@cp -f gpio_en_${MACHINE_NAME}.c gpio_en.c
	$(MAKE) EXTRA_CFLAGS="$(EXTRA_CFLAGS)" -C $(KERNEL_DIR) $(MAKE_ENV) \
    M=$(PWD) modules

install:
	$(MAKE) EXTRA_CFLAGS="$(EXTRA_CFLAGS)" -C $(KERNEL_DIR) $(MAKE_ENV) \
    M=$(PWD) INSTALL_MOD_PATH="${DEST_DIR}" modules_install

clean:
	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions *.symvers