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 Questions about Open XL compiler

Vadim Shchukin's profile image
Vadim Shchukin posted Sat December 27, 2025 07:37 AM

Hello there,

I have a couple of questions about the Open XL compiler:

  1. Since it's LLVM/Clang based is IBM going to release it for non-z/OS platforms like Linux so that we could leverage the cross-compilation feature of it? That would be very helpful because it would allow to compile/check compiler errors locally and to offload the compilation/link-editing off the mainframe
  2. Again, since it's LLVM based is IBM going to introduce support for other LLVM frontends, like Rust, Go, etc.?

Thank you

Linda Chui's profile image
Linda Chui posted Thu March 19, 2026 09:54 AM

hi Vadim,

Thank you for your questions.  
For the Open XL compiler on z/OS, our product roadmap can be found here.   Also, in case you are not aware, we do have a native Go compiler optimized for the z/OS platform.  More info can be found here.

Hope this helps,

Linda Chui

z/OS C/C++ Compiler Product Manager

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