I have tested multiple distro, in the beginning was mostly hack of multiple things and almost LFS, downloading floppies images from usenet… I then started to use Debian early 00, then used Ubuntu for years, but I don’t like snap/flatpak and lots of changes Ubuntu made so I switched to Mint Cinnamon, but hated it, often broken, glitches, etc, so I switched to MX because it is Debian based, always up to date (like latest FF and latest Xserver with last night CVE fix etc and always native .deb, no snap/flat). I also always loved minimal DE so Xfce is perfect and light. Also I mainly develop in Linux, no games.
autoconf and stuff like this? Not anymore. Since ~5 years here it’s cmake everywhere, Conan, ninja.