Upgrade Travis-CI env to Ubuntu 20.04

sysprog21 / shecc

A self-hosting and educational C optimizing compiler

BSD 2-Clause "Simplified" License

1.11k stars 118 forks source link

Closed eecheng87 closed 3 years ago

eecheng87 commented 3 years ago

qemu-user under Ubuntu 18.04 in Travis-CI doesn't support qemu-riscv32, as a result, we upgrade it to Ubuntu 20.04 (focal)