Request for review : 8054817: File ccache only recognizes Linux and Solaris defaults

[mala bankal]

HI Max, All,

Request to review the changes for the backport of 8054817 to jdk7u-dev.

webrev :
http://cr.openjdk.java.net/~mbankal/8054817/webrev.00/

JDK9 changeset :
http://hg.openjdk.java.net/jdk9/dev/jdk/rev/ec98f141c757
JDK8 changeset :
http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/ec98f141c757

The backport has been derived from JDK8 changes.
Thanks.

rgds
mala