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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kbuild: Let kernel-doc.py use PYTHON3 override

It is possible to force a specific version of python to be used when
building the kernel by passing PYTHON3= on the make command line.
However kernel-doc.py is currently called with python3 hard-coded and
thus ignores this setting.

Use $(PYTHON3) to run $(KERNELDOC) so that the desired version of
python is used.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://patch.msgid.link/20251107192933.2bfe9e57@endymion
Signed-off-by: Nathan Chancellor <nathan@kernel.org>

authored by

Jean Delvare and committed by
Nathan Chancellor 002621a4 9818af18

+4 -4
+1 -1
drivers/gpu/drm/Makefile
··· 245 245 quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@) 246 246 cmd_hdrtest = \ 247 247 $(CC) $(c_flags) -fsyntax-only -x c /dev/null -include $< -include $<; \ 248 - PYTHONDONTWRITEBYTECODE=1 $(KERNELDOC) -none $(if $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \ 248 + PYTHONDONTWRITEBYTECODE=1 $(PYTHON3) $(KERNELDOC) -none $(if $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \ 249 249 touch $@ 250 250 251 251 $(obj)/%.hdrtest: $(src)/%.h FORCE
+1 -1
drivers/gpu/drm/i915/Makefile
··· 413 413 # 414 414 # Enable locally for CONFIG_DRM_I915_WERROR=y. See also scripts/Makefile.build 415 415 ifdef CONFIG_DRM_I915_WERROR 416 - cmd_checkdoc = PYTHONDONTWRITEBYTECODE=1 $(KERNELDOC) -none -Werror $< 416 + cmd_checkdoc = PYTHONDONTWRITEBYTECODE=1 $(PYTHON3) $(KERNELDOC) -none -Werror $< 417 417 endif 418 418 419 419 # header test
+1 -1
include/drm/Makefile
··· 11 11 quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@) 12 12 cmd_hdrtest = \ 13 13 $(CC) $(c_flags) -fsyntax-only -x c /dev/null -include $< -include $<; \ 14 - PYTHONDONTWRITEBYTECODE=1 $(KERNELDOC) -none $(if $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \ 14 + PYTHONDONTWRITEBYTECODE=1 $(PYTHON3) $(KERNELDOC) -none $(if $(CONFIG_WERROR)$(CONFIG_DRM_WERROR),-Werror) $<; \ 15 15 touch $@ 16 16 17 17 $(obj)/%.hdrtest: $(src)/%.h FORCE
+1 -1
scripts/Makefile.build
··· 167 167 endif 168 168 169 169 ifneq ($(KBUILD_EXTRA_WARN),) 170 - cmd_checkdoc = PYTHONDONTWRITEBYTECODE=1 $(KERNELDOC) -none $(KDOCFLAGS) \ 170 + cmd_checkdoc = PYTHONDONTWRITEBYTECODE=1 $(PYTHON3) $(KERNELDOC) -none $(KDOCFLAGS) \ 171 171 $(if $(findstring 2, $(KBUILD_EXTRA_WARN)), -Wall) \ 172 172 $< 173 173 endif