AMDGPU_CONFIG_PATH := drivers/gpu/drm/amd/dkms
AMDGPU_CONFIG_H := dkms/config/config.h

$(obj)/$(AMDGPU_CONFIG_H): $(srctree)/$(AMDGPU_CONFIG_PATH)/m4/* $(srctree)/$(AMDGPU_CONFIG_PATH)/configure.ac
	@rm -rf $(obj)/dkms;
	@cp -a $(srctree)/$(AMDGPU_CONFIG_PATH) $(obj)/dkms;
	@cd $(obj)/dkms && \
	./autogen.sh && \
	./configure --enable-linux-builtin --with-linux=$(abspath $(srctree)) --with-linux-obj=$(abspath $(objtree));

clean-dirs += $(objtree)/$(obj)/dkms

$(addprefix $(obj)/,$($(FOR_MODULE)-y)): $(obj)/$(AMDGPU_CONFIG_H)