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# When KDIR is not manually set, use the MODULE_DIRECTORY for the pre-existent
# kmod, not the one being built, to figure out how to get to the kernel
# sources/headers for building our own dummy kernel modules. The final
# location of the modules may change later by scripts/setup-rootfs.sh that
# assembles a per-test-rootfs.
ifndef KDIR
MODULE_DIRECTORY := $(shell pkg-config --variable module_directory kmod)
ifeq ($(MODULE_DIRECTORY),)
MODULE_DIRECTORY := /lib/modules
endif
KDIR := $(MODULE_DIRECTORY)/$$(uname -r)/build
endif
ARCH_SPECIFIC_MODULES := mod-simple-x86_64.ko mod-simple-i386.ko mod-simple-sparc64.ko
default: modules
mod-simple-%.ko: mod-simple-%.c Makefile.arch
$(eval arch=$(patsubst mod-simple-%.ko,%,$@))
$(MAKE) KDIR=$(KDIR_$(arch)) ARCH=$(arch) CROSS_COMPILE=$(CROSS_COMPILE_$(arch)) -f Makefile.arch
modules:
$(MAKE) -C $(KDIR) M=$$PWD modules
arch-modules: $(ARCH_SPECIFIC_MODULES)
clean:
$(MAKE) -C $(KDIR) M=$$PWD clean
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