Blinderkitten - Appimage missing libcurl-gnutls.so.4

573 · March 20, 2026, 8:59am

Does the nix-ld approach give more info when running with LD_DEBUG=versions orLD_DEBUG=all?

github.com/norbertrostaing/BlinderKitten

Odd dependencies for the Linux AppImage Build

opened 05:05PM - 12 Mar 26 UTC

Hello! With the x86_64 AppImage for version `1.0.1b93` (sha256 `9885139c8a184040…bec617c601b53d2b97f8f16fe01db90c1101b732a104b202`), launching BlinderKitten from the AppImage gives: ``` grissess@europa ~/Util $ ./BlinderKitten-linux-x64-1.0.1b93.AppImage BlinderKitten: error while loading shared libraries: libcurl-gnutls.so.4: cannot open shared object file: No such file or directory ``` Building libcurl against GnuTLS is very possible, but it is an unusual configuration; it looks like Debian [supports a dev version 4 package](https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=names&keywords=libcurl), but oddly not a non `-dev`. I tried it on my system anyway and was disappointed to discover that it regenerated only `libcurl.so.4`, not a "flavored" variant. Fixing it wasn't that hard: ``` grissess@europa ~/Util $ ./BlinderKitten-linux-x64-1.0.1b93.AppImage --appimage-extract grissess@europa ~/Util $ mv squashfs-root/ BlinderKitten-linux-x64-1.0.1b93 grissess@europa ~/Util $ cd BlinderKitten-linux-x64-1.0.1b93/ grissess@europa ~/Util/BlinderKitten-linux-x64-1.0.1b93 $ ln -s $(ldconfig -p | grep libcurl.so.4 | awk '{print $NF}') libcurl-gnutls.so.4 ``` (Forgive the `ldconfig` search, my system library path of `/use/x86_64-pc-linux-gnu/lib` is unlikely to be portable.) Then, after also installing Avahi as an unstated dependency, this just works: ``` grissess@europa ~/Util/BlinderKitten-linux-x64-1.0.1b93 $ LD_LIBRARY_PATH=$(realpath .) ./AppRun ``` Although it is a bit awkward to do. This makes me think it's not strictly necessary to link against the GnuTLS "flavor" of `libcurl`, and that any Curl 4 library ought to do. Might you consider updating that part of the build process to not depend on this obscure configuration? :)