veyepar: Behind (and under) the scenes of the Meson build system

Author(s):	Jussi Pakkanen
Location	Arena
Date	jan Thu 16	Days Raw Files
Start	11:40	First Raw Start	error-in-template
Duration	0:45:0	Offset	None
End	12:25	Last Raw End
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Total cuts_time	None min.

https://lca2020.linux.org.au/schedule/presentation/87/
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The Meson build system has been used for several years to build the foundations of a modern Linux userland, including projects such as systemd, X.org, GStreamer and the Mesa graphics stack. During this time we have encountered many challenges and milestones ranging from multiple distro upgrades to bootstrapping RISC-V as a whole new processor architecture.

In this talk we shall look into the many weird and wonderful/awful things that happen when dealing with the lowest layers of a modern Linux system and the things you need to consider when designing a a low level build system. We shall also look at the outcomes of these decisions and all the myriad of bizarre ways people want to build and configure their projects and how environment variables are the tool of the devil. Finally we shall try to estimate what the future shall hold for building, especially when it comes to cross-language cooperation and how these, and many other, requirements make the life of a build system developer interesting.

Including that one time we were told to rewrite Meson in Perl.

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