On Windows and Mac, default lookup allows looking up symbols from any loaded library in the process. On Linux, it does not work that way. We need a stable, portable solution for default lookup.

One of the main reasons for default lookup is to allow uses to use standard C runtime library functions (from stdlib.h, stdio.h, math.h etc.) without having to load platform specific C runtime library / libraries.

Instead of fixing default lookup alone, foreign library loading is going to be revisited as documented in

https://mail.openjdk.java.net/pipermail/panama-dev/2021-April/013577.html

We plan to use the current bug for library loading changes.