hg: jdk9/sandbox: 8171409: Create a smoother configure experience on macosx

[chris.hegarty at oracle.com]

Changeset: 47f2a1a3bc8c
Author:    ihse
Date:      2017-01-11 13:00 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/47f2a1a3bc8c

8171409: Create a smoother configure experience on macosx
Reviewed-by: erikj

! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
! common/autoconf/help.m4
! common/autoconf/jdk-options.m4
! common/autoconf/lib-freetype.m4