hg: panama/dev: Automatic merge with default

[maurizio.cimadamore at oracle.com]

Changeset: e5c42fa63868
Author:    mcimadamore
Date:      2018-05-09 22:08 +0200
URL:       http://hg.openjdk.java.net/panama/dev/rev/e5c42fa63868

Automatic merge with default

! make/autoconf/basics.m4
! make/autoconf/spec.gmk.in