How to use promtail in SunOS (sun4v architecture)?

I’m trying to run promtail in SunOS with sun4v architecture.I’m not able to find relevant binary file.Is there anyway ?

there are no binaries i could see for sparc, you could try compiling it yourself with gccgo, but I have no experience with this

But I’m not able to find source code of Promtail. Without it how to compile it?

check out the assets at the bottom of the github page: