Hello, I'm trying to build a toolchain for the Microchip PIC32MM MCU
using latest GCC 11.2. But it seems that there isn't a "micromips"
multilib option available. In this way I'm unable to compile libstdc++
and newlib for this platform.

Just like the ARM Cortex-M MCUs which only support the Thumb
instruction set, the PIC32MM only supports the micromips instruction
set (and not mips32).

I wonder if you can add all the possible combinations to the multilib
list for the mips*-elf target, just like the arm-*-eabi target.

Thank you very much.

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