Compilation errors installing PyStan+CVODES on Arch Linux

[ahartikainen]

Hi, can you try new pystan3 (beta)

PyStan 3 Beta 2 and Proposed PyStan 2 Deprecation Plans

PyStan 3 Beta 2 is here. It works for many people. It uses Stan 2.24 and has useful features PyStan 2 lacks. A release candidate for PyStan 3 will wait until RStan 3 is ready since harmonizing the interfaces’ user-facing APIs is a high-priority goal. PyStan 2 works fine but is stuck on 2.19. PyStan 2 is no longer actively maintained. This leaves us in an uncomfortable situation. PyStan 2 is not maintained but there is no official, non-beta-version replacement for PyStan 2. And there will be n…

Edit. If you need pystan2, then you would need to sync stan/stan-math with cvodes branch. (They are out of sync now)