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# SPDX-License-Identifier: GPL-2.0
# Ensure drm headers are self-contained and pass kernel-doc
hdrtest-files := \
$(shell cd $(src) && find * -name '*.h' 2>/dev/null)
always-$(CONFIG_DRM_HEADER_TEST) += \
$(patsubst %.h,%.hdrtest, $(hdrtest-files))
# Include the header twice to detect missing include guard.
quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@)
cmd_hdrtest = \
$(CC) $(c_flags) -fsyntax-only -x c /dev/null -include $< -include $<; \
PYTHONDONTWRITEBYTECODE=1 $(PYTHON3) $(KERNELDOC) -none $(if $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \
touch $@
$(obj)/%.hdrtest: $(src)/%.h FORCE
$(call if_changed_dep,hdrtest)
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