Thanks for your advices! After careful consideration, I've concluded that the date library shouldn't be deprecated. An alternative solution would be to rewrite the date library from C to Ruby, so that any programmer who understands Ruby ...jinroq (Jinroq SAITOH)
Values defined for OPT_THREADED_CODE are 0,1,2. However, 1,2,3 are set in workflow. It seems that case 3 does not exist, so 0 is specified instead. Co-authored-by: jinroq <jinroq@users.noreply.github.com>jinroq (Jinroq SAITOH)
On Ubuntu 22.04.2 LTS, after building according to the [Building YJIT](https://docs.ruby-lang.org/en/master/yjit/yjit_md.html#label-Building+YJIT) documentation, it fails when building according to part of the [Quick start guide](https:/...jinroq (Jinroq SAITOH)