I have an old application, EagleCAD, from 2014, a 32bit app, I managed to install it on my linux (Debian based, 64bits) and it works fine, but I had to look for and install some lib manually.
How can I package all this, the bin and libs, into one that I could easily re-install on about any distro? AppImage? Flatpak? Snap?
$ ldd ./eagle
linux-gate.so.1 (0xf7ef4000)
libXrender.so.1 => /lib/i386-linux-gnu/libXrender.so.1 (0xf7ec4000)
libXrandr.so.2 => /lib/i386-linux-gnu/libXrandr.so.2 (0xf7eb5000)
libXcursor.so.1 => /lib/i386-linux-gnu/libXcursor.so.1 (0xf7ea8000)
libfreetype.so.6 => /lib/i386-linux-gnu/libfreetype.so.6 (0xf7dd8000)
libfontconfig.so.1 => /lib/i386-linux-gnu/libfontconfig.so.1 (0xf7d85000)
libXext.so.6 => /lib/i386-linux-gnu/libXext.so.6 (0xf7d6f000)
libX11.so.6 => /lib/i386-linux-gnu/libX11.so.6 (0xf7c1d000)
libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf7c18000)
libXi.so.6 => /lib/i386-linux-gnu/libXi.so.6 (0xf7c03000)
libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf7bfc000)
librt.so.1 => /lib/i386-linux-gnu/librt.so.1 (0xf7bf7000)
libssl.so.1.0.0 => /lib/i386-linux-gnu/libssl.so.1.0.0 (0xf7b8a000)
libcrypto.so.1.0.0 => /lib/i386-linux-gnu/libcrypto.so.1.0.0 (0xf798b000)
libstdc++.so.6 => /lib/i386-linux-gnu/libstdc++.so.6 (0xf7600000)
libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf7886000)
libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf785f000)
libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf7200000)
/lib/ld-linux.so.2 (0xf7ef6000)
libz.so.1 => /lib/i386-linux-gnu/libz.so.1 (0xf7842000)
libXfixes.so.3 => /lib/i386-linux-gnu/libXfixes.so.3 (0xf783a000)
libpng16.so.16 => /lib/i386-linux-gnu/libpng16.so.16 (0xf75c3000)
libbrotlidec.so.1 => /lib/i386-linux-gnu/libbrotlidec.so.1 (0xf782a000)
libexpat.so.1 => /lib/i386-linux-gnu/libexpat.so.1 (0xf7597000)
libxcb.so.1 => /lib/i386-linux-gnu/libxcb.so.1 (0xf7569000)
libbrotlicommon.so.1 => /lib/i386-linux-gnu/libbrotlicommon.so.1 (0xf7546000)
libXau.so.6 => /lib/i386-linux-gnu/libXau.so.6 (0xf7825000)
libXdmcp.so.6 => /lib/i386-linux-gnu/libXdmcp.so.6 (0xf753f000)
libbsd.so.0 => /lib/i386-linux-gnu/libbsd.so.0 (0xf7528000)
libmd.so.0 => /lib/i386-linux-gnu/libmd.so.0 (0xf7519000)
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You should be aware though that distros are starting to remove 32bit support in general, as in compiling their kernels without it so it will not work for many years longer.
That’s about running on 32 bit hardware, not about running 32 bit applications
No, that is about the kernel code bit-rotting for a decade or more now and nobody wanting to maintain it.
Here’s what I do in my docker images:
mkdir -p /lib-your-executable ldd ./your-executable | tr -s '[:blank:]' '\n' | grep '^/' | xargs -I % cp % /lib-your-executableEssentially, it’s the same thing that you’re doing, just automating getting the dependencies, and then copying everything in the
lib-your-executabledir to yourLD_LIBRARY_PATH. I don’t know of a better way, other than statically-linking the binaries.EDIT: fix typo in commands.
Copy all the libraries into one folder, then make a wrapper script using the LD_LIBRARY_PATH environment variable pointing to that folder before starting the application.
Yeah using LD_LIBRARY_PATH or RPATH etc is how I did something similar years ago, but I think there is a more modern way to do it
The modern way to run 10 year old binary applications is “don’t”, all of the technologies you listed are designed with a security focus and that means regular updates.
It’s an offline application, I don’t care
The point is nobody makes deployment technologies specifically designed for your “run an old application” use case.
Me, I’m doing it, for myself, easier to install whenever I change distro, take a laptop, etc It’s also to learn how to do it, I don’t know how to create a snap/flatpak image, hence the post. And it has nothing to do with an old app, it’s to have an app and all its dependencies in a container
Most of these technologies combine some sort of sandboxing with the containerization part and the app has to be specifically adapted to use different ways to access data and system services where it needs to break the sandbox barrier.
