Upstream claims MacOS, Linux, and Windows as supported platforms; set to unix for now.
Judging by the build output, which doesn't find what it's looking for anyway.
For grsecurity support
* llvmPackages_35 -> llvmPackages_38 * static llvm no longer needed * multiple outputs, this generates the following results: - out/lib/terra.so - bin/bin/terra - dev/include/terra/*.h - static/lib/libterra.a Contributed with help from @joachifm
