Invalid cross make OS "[os]": must be "linux" or "solaris"
ElectricAccelerator 4.2.0 added support for a limited form of "cross make": that is, running the Electric Make client on a host running a different operating system than that used on the cluster hosts. This feature is supported only from Linux to Solaris or from Solaris to Linux.
The user specified an invalid value for the --emake-crossmake command-line option.
Correct the value specified for the --emake-crossmake command-line option. The value must be either "linux", indicating that the user wishes to use Linux-based agents for the build; or "solaris", indicating that the user wishes to use Solaris-based agents for the build.