hg: jdk8u/jdk8u: 3 new changesets

[rob.mckenna at oracle.com]

Changeset: 1a5c98aae346
Author:    kevinw
Date:      2018-06-08 14:06 -0700
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/rev/1a5c98aae346

8196108: Add build support for VS 2015/2017
Reviewed-by: ihse, tbell

! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
! common/autoconf/help.m4
! common/autoconf/toolchain_windows.m4

Changeset: b50838ae1046
Author:    mduigou
Date:      2014-01-14 10:25 -0800
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/rev/b50838ae1046

8031668: TOOLCHAIN_FIND_COMPILER unexpectedly resolves symbolic links
Reviewed-by: erikj, ihse

! common/autoconf/toolchain.m4

Changeset: 7abd14dd301d
Author:    sgehwolf
Date:      2018-06-20 07:50 -0700
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/rev/7abd14dd301d

8148351: Only display resolved symlink for compiler, do not change path
Summary: Keep the ccache work-around so as to not break Oracle internal JDK 8 builds.
Reviewed-by: erikj, kevinw

! common/autoconf/generated-configure.sh
! common/autoconf/toolchain.m4