162ae4568SJani Nikula# SPDX-License-Identifier: GPL-2.0 262ae4568SJani Nikula 362ae4568SJani Nikula# Ensure drm headers are self-contained and pass kernel-doc 462ae4568SJani Nikulahdrtest-files := \ 562ae4568SJani Nikula $(shell cd $(src) && find * -name '*.h' 2>/dev/null) 662ae4568SJani Nikula 762ae4568SJani Nikulaalways-$(CONFIG_DRM_HEADER_TEST) += \ 862ae4568SJani Nikula $(patsubst %.h,%.hdrtest, $(hdrtest-files)) 962ae4568SJani Nikula 1062ae4568SJani Nikula# Include the header twice to detect missing include guard. 1162ae4568SJani Nikulaquiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@) 1262ae4568SJani Nikula cmd_hdrtest = \ 1362ae4568SJani Nikula $(CC) $(c_flags) -fsyntax-only -x c /dev/null -include $< -include $<; \ 14*5c5c32d7SMauro Carvalho Chehab PYTHONDONTWRITEBYTECODE=1 $(KERNELDOC) -none $(if $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \ 1562ae4568SJani Nikula touch $@ 1662ae4568SJani Nikula 1762ae4568SJani Nikula$(obj)/%.hdrtest: $(src)/%.h FORCE 1862ae4568SJani Nikula $(call if_changed_dep,hdrtest) 19