hg: jdk/sandbox: 8218413: make reconfigure ignores configure-time AUTOCONF environment variable

[chris.hegarty at oracle.com]

Changeset: 9e1c9dc23c99
Author:    ihse
Date:      2019-02-12 15:31 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/9e1c9dc23c99

8218413: make reconfigure ignores configure-time AUTOCONF environment variable
Reviewed-by: erikj, martin

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