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this post was submitted on 07 Apr 2024
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Not that I'm the biggest fan of CMake's syntax, but they are fairly concise and standardised. The XZ backdoor hid in amongst thousands of lines of autotools jank that very few people would be able to audit. A short CMakeList that generates a Makefile is a much harder place to hide something nefarious.
There's actually not that much autotools jank, really. There's configure.ac and a few Makefile.am. The CMakeLists.txt in the root is bigger than any of those files.
There's also some stuff from autotools archive in m4/. IMO that's a bad practice and we should instead be referencing them as a build dependencies.
I'm not convinced this backdoor would have been significantly more difficult to hide in the cmake code.
My point was that packagers should use straight up VCS and run all build tools instead of relying on partially pre-built tarballs uploaded by the upstream maintainers.
Oh yeah, that was pretty much the point I was trying to make too.
Its a good practice to make the auto generated code a part of the
.gitignorelist. Any language installable on peoples machines can be used to build these makefiles. Ya know a language is on that list? Makefile!