doc-rst: Fix recursive make invocation from macros
authorBen Hutchings <ben@decadent.org.uk>
Tue, 31 Jan 2017 00:18:56 +0000 (00:18 +0000)
committerJonathan Corbet <corbet@lwn.net>
Mon, 6 Feb 2017 16:03:59 +0000 (09:03 -0700)
commit4b0b0d9d05aba12b42b2e5006627fa6821bcec62
tree8165f1fedda1f584bafe26e0009432e5a4f54996
parent04b709117271d9f2f09cfeca09c34f63863beafe
doc-rst: Fix recursive make invocation from macros

In any case where we recurse but don't mention $(MAKE) literally in
the recipe, we need to add a '+' at the start of the command to ensure
that parallel makes and various other options work properly.

Fixes: 609afe6b49ef ("Documentation/sphinx: build the media intermediate ...")
Tested-by: Markus Heiser <markus.heiser@darmarit.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/Makefile.sphinx