Background: the original implementation of jemalloc comes from FreeBSD and is still part of the base system. This will lead to linker errors due to duplicate symbols in case of static build. https://man.freebsd.org/cgi/man.cgi?jemalloc(3)
This issue appears to be discussing a feature request or bug report related to the repository. Based on the content, it seems to be still under discussion. The issue was opened by MatthiasPetermann and has received 0 comments.