tree fd6d2d5270bcc2df0736987aea4c8e73782735c6
parent 4eb0fc996c6f188221c278560052d4f58f1f6968
author Heinrich Schuchardt <xypron.glpk@gmx.de> 1582305843 +0100
committer Tom Rini <trini@konsulko.com> 1582639600 -0500

doc/Makefile: turn warnings into errors

Several patches delivered incorrect restructured text as documentation. We
should be able to discover this in Travis CI, Gitlab CI, or Azure CI.

So let us turn all build warnings into errors.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>