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#ccflags-y += -g
# Makfile assignments:
# := value at right is expanded and assigned at declaration time
# = value at right is expanded only when it is used, hence it is a reference
# ?= value at right is assigned only if the variable doesn't have a value
#
#
# objects that are part of hello module (hello.o)
hello-y += main.o debug.o
# .ko module to be created
obj-m := hello.o
# '-C' changes the dir
# '-M' causes the the kernel's toplevel Makefile to move back into this dir
# before trying to build 'modules' target
all:
make -C /lib/modules/$(shell uname -r)/build KCPPFLAGS="-I$(CURDIR)" M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
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