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RELEASE := $(shell uname -r)
KERNEL := /lib/modules/$(RELEASE)/build
# PWD doesn't have to be defined as it's inherited from the current environment
# MAKE shouldn't be defined as it's special in GNU make
# the names of these variables are required by the kernel's (imo weird) build
# system, see [kbuild-obj-var] and [kbuild-module-makefile] in ../readme.md
obj-m += lork.o
lork-y += main.o
lork-y += platform.o
all:
$(MAKE) -C $(KERNEL) M=$(PWD) modules
# the generated compile_commands.json needs to be edited to point to the kernel
# folder as working directory because the include paths are relative
compile_commands.json:
compiledb -o $@.tmp make -Bn
jq --arg dir $(KERNEL) '.[].directory = $$dir' $@.tmp > $@
$(RM) $@.tmp
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