Can CT-NG build a RISC-V picolibc toolchain?

Hi there

Apologies in advance if this is a dumb question or one that has been answered already but I tried searching but couldn't find anything on it...

Can I use CT-NG to build a RISC-V bare metal toolchain that uses picolibc as the standard library? Can I build one that bundles newlib, newlib-nano and picolibc which can be switched between using the relevant specs files as can be done for Arm?

If so, what configuration settings do I need? I can't see a way to do this using the menuconfig. If it's possible, does it perhaps need a manually edited config file?

I've been playing with the latest CT-NG cloned from the master branch in github. I've enabled the experimental option in order to be able to build a RISC-V newlib toolchain which works fine. But I can't see a way to build a picolibc one or a newlib/newlib-nano/picolibc one. I've also used one of the sample configurations to build an Arm multilib toolchain that bundles newlib/newlib-nano/picolibc.

Thanks a lot for any guidance/advice.
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