Github user chanlee514 commented on the issue:
https://github.com/apache/incubator-predictionio/pull/345
Hi @shimamoto, thanks for pointing that out. I'll make changes to enable
`-Dbuild.profile=scala-2.11 -Dspark.version=1.6.0`, which is a simple matter of
handling the build args in `build.sbt`.
Also, I think it may be a good idea to rename the build profiles to
**spark1.6** and **spark2.0**. The main intention of the cross-build is to
maintain backward compatibility when upgrading to spark 2.0 (which has many
advantages, but requires scala version >= 2.11).
And lastly, `install.sh`, as well as the README files, are not yet updated
to reflect the new changes, but I will work on that soon.
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