GNAT.Serial_Communications broke on Ubuntu 26.04 / glibc 2.42+, here is why (and how to fix it)
https://forum.ada-lang.io/t/gnat-serial-communications-broke-on-ubuntu-26-04/4459

`GNAT.Serial_Communications` broke on Ubuntu 26.04
GNAT.Serial_Communications broke on Ubuntu 26.04 / glibc 2.42+, here is why (and how to fix it) Hey everyone, If you’ve recently upgraded your Linux environment (running Ubuntu 26.04 or any distro with glibc 2.42+) and noticed your Ada serial port code suddenly stopped working, you aren’t losing your mind. If you are using an Alire-provided GNAT toolchain (like GCC 15), there is a subtle breaking change under the hood of glibc that directly clashes with how GNAT bakes in OS constants. ...








