I’m trying to set up a pkgsrc package for Lite XL (for NetBSD). It works mostly fine, except for how it tries to detect the executable’s file name. After installing, when I run lite-xl, it crashes, because it ends up falling back to argv[0], which doesn’t have a slash (so the regex in the Lua code in main.c fails to match).

Turns out NetBSD supports /proc/self/exe like Linux, but that is discouraged (because /proc might not be available) in favor of using sysctl similar to FreeBSD, but very subtly differently.

However, that seems to be one of the very small bits of non‐portable code in Lite XL, so I was wondering if it could be avoided, at least outside of the “portable” build, in favor of just relying on the prefix from Meson. (Or otherwise perhaps with an extra build flag.)