hg: amber/amber: Automatic merge with condy

[maurizio.cimadamore at oracle.com]

Changeset: 06b734a5c91c
Author:    langtools at sthdev02.uk.oracle.com
Date:      2017-09-05 12:29 +0200
URL:       http://hg.openjdk.java.net/amber/amber/rev/06b734a5c91c

Automatic merge with condy

- common/autoconf/lib-elf.m4