bar_resolve/Makefile

obj-m := test.o
test-objs := mod.o dev.o sysfs.o

KERNELDIR ?= /lib/modules/$(shell uname -r)/build
INSTALLDIR ?= /lib/modules/$(shell uname -r)/kernel/extra
PWD := $(shell pwd)

EXTRA_CFLAGS += -I$(M)/..

default: app
	@KERNEL_GCC_VERSION=`cat /proc/version | head -n1 | cut -d " " -f 7` ;\
	GCC_VERSION=`$(CC) --version | head -n 1 | tr ' ' '\n' | grep -e "[0-9]\+\.[0-9]" | tail -n 1` ;\
	if [ $$KERNEL_GCC_VERSION != $$GCC_VERSION ]; then \
	    echo "Kernel is compiled with gcc $$KERNEL_GCC_VERSION, but you are now using $$GCC_VERSION" ;\
	    GCC_MAJOR=`echo $$KERNEL_GCC_VERSION | cut -d "." -f 1-2` ;\
	    newCC=gcc-$$GCC_MAJOR ;\
	    CC=`which $$newCC 2>/dev/null` ;\
	    if [ $$? -ne 0 ]; then \
		echo "No compiler of $$GCC_MAJOR series is installed" ;\
		exit 1 ;\
	    fi ;\
	    GCC_VERSION=`$$CC --version | head -n 1 | tr ' ' '\n' | grep -e "[0-9]\+\.[0-9]" | tail -n 1` ;\
	    if [ $$KERNEL_GCC_VERSION != $$GCC_VERSION -a -z "$$RELAXED_GCC_CHECK" ]; then \
		echo "The $$GCC_VERSION of $$GCC_MAJOR series is installed" ;\
		exit 1 ;\
	    fi ;\
	    echo "Setting CC to $$newCC" ;\
	else \
	    CC=$(CC) ;\
	fi ;\
	$(MAKE) $(CFLAGS) -C $(KERNELDIR) M=$(PWD) CC=$$CC modules

app: app.c
	gcc app.c -o app -lpcilib


clean:
	rm -rf *.o *.ko *.mod.c .*.o.cmd .*.o.tmp .*.ko.cmd  .*.o *.symvers modules.order .tmp_versions