Building OpenJDK 10 on Solaris 11 SPARC

As promised here are the instructions for OpenJDK 10 on Solaris 11 SPARC.
This follows on from previous posts:

Wednesday, October 10, 2018

Building OpenJDK 11 on Solaris 11 x86_64

Following on my last blog "Building OpenJDK10 on Solaris 11" I have added instructions for OpenJDK 11 on Oracle Solaris x64 (SPARC version downloadable).