docs: Makefile: honor V=0 for docs building

Reduce the number of displayed mesages when building the
docs with V=0.

Suggested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/478c114a2399b68a18de94ee5f98649304f3903b.1603796153.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-10-27 11:56:15 +01:00 committed by Jonathan Corbet
parent 3650b228f8
commit d94df02c47

View File

@ -21,6 +21,10 @@ BUILDDIR = $(obj)/output
PDFLATEX = xelatex
LATEXOPTS = -interaction=batchmode
ifeq ($(KBUILD_VERBOSE),0)
SPHINXOPTS += "-q"
endif
# User-friendly check for sphinx-build
HAVE_SPHINX := $(shell if which $(SPHINXBUILD) >/dev/null 2>&1; then echo 1; else echo 0; fi)