On Wed, Apr 16, 2025 at 05:29:01PM +0800, Mauro Carvalho Chehab wrote: > Em Wed, 16 Apr 2025 17:19:17 +0800 > Mauro Carvalho Chehab <mchehab+hua...@kernel.org> escreveu: > > Em Wed, 16 Apr 2025 11:34:16 +0300 > > Jani Nikula <jani.nik...@linux.intel.com> escreveu: > > > On Wed, 16 Apr 2025, Mauro Carvalho Chehab <mchehab+hua...@kernel.org> > > > wrote:
... > > > > quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@) > > > > cmd_hdrtest = \ > > > > $(CC) $(c_flags) -fsyntax-only -x c /dev/null -include > > > > $< -include $<; \ > > > > - $(srctree)/scripts/kernel-doc -none $(if > > > > $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \ > > > > + PYTHONDONTWRITEBYTECODE=1 $(KERNELDOC) -none $(if > > > > $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \ > > > > > > KERNELDOC is not set here. > > > > > > > > /bin/sh: 1: -none: not found > > > > Weird. This is set on Documentation/Makefile: > > > > $ grep KERNELDOC Documentation/Makefile > > KERNELDOC = $(srctree)/scripts/kernel-doc.py > > ... > > > > drivers/gpu/drm/Makefile should be able to see this variable there... > > I suspect that the building system tries to confine variables to > sub-directories, so maybe one solution would be to move it to the > main makefile. > > could you please check if this patch solves the issue? > > [PATCH] Makefile: move KERNELDOC macro to the main Makefile > > As kernel-doc script is used not only on Documentation, but > also on scripts and drivers/drm Makefiles, move it to the > main makefile, as otherwise sub-makefiles may not have it. > > Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org> > > diff --git a/Documentation/Makefile b/Documentation/Makefile > index c022b97c487e..7a2069e87dbd 100644 > --- a/Documentation/Makefile > +++ b/Documentation/Makefile > @@ -60,7 +60,6 @@ endif #HAVE_LATEXMK > # Internal variables. > PAPEROPT_a4 = -D latex_paper_size=a4 > PAPEROPT_letter = -D latex_paper_size=letter > -KERNELDOC = $(srctree)/scripts/kernel-doc.py > KERNELDOC_CONF = -D kerneldoc_srctree=$(srctree) -D > kerneldoc_bin=$(KERNELDOC) In this case the _CONF makes sense to move together as they are coupled semantically. > ALLSPHINXOPTS = $(KERNELDOC_CONF) $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) > ifneq ($(wildcard $(srctree)/.config),) > diff --git a/Makefile b/Makefile > index 38689a0c3605..c8e46f0c1f63 100644 > --- a/Makefile > +++ b/Makefile > @@ -458,6 +458,8 @@ endif > HOSTRUSTC = rustc > HOSTPKG_CONFIG = pkg-config > > +KERNELDOC = $(srctree)/scripts/kernel-doc.py > + > KBUILD_USERHOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \ > -O2 -fomit-frame-pointer -std=gnu11 > KBUILD_USERCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(USERCFLAGS) -- With Best Regards, Andy Shevchenko