6882745: Add DISABLE_INTREE_EC option to make new EC provider optional.
Summary: Don't build the ec subdirectory when DISABLE_INTREE_EC is defined.
Reviewed-by: vinnie
README:
This file should be located at the top of the corba Mercurial repository.
See http://openjdk.java.net/ for more information about the OpenJDK.
See ../README-builds.html for complete details on build machine requirements.
Simple Build Instructions:
cd make && gnumake
The files that will be imported into the jdk build will be in the "dist"
directory.