DocBook: Add a help message for DOCBOOKS env var

Sometimes, it is needed to compile only a subset of the possible
DocBooks. This is supported by the building system, but it is not
docummented. Add a documentation for it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2015-11-19 12:38:44 -02:00 committed by Jonathan Corbet
parent f902493a68
commit e57f0796d6

View file

@ -227,6 +227,10 @@ dochelp:
@echo ' mandocs - man pages'
@echo ' installmandocs - install man pages generated by mandocs'
@echo ' cleandocs - clean all generated DocBook files'
@echo
@echo 'make DOCBOOKS="s1.xml s2.xml" [target] Generate only docs s1.xml s2.xml'
@echo ' valid values for DOCBOOKS are: $(DOCBOOKS)'
###
# Temporary files left by various tools