rust: Simplify Makefiles #21239
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rust: Simplify Makefiles #21239
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Neither of the steps allowed for any practical variation; this reduced boilerplate.
The APPLICATION_RUST_MODULE declaration is moved to a more prominent position, given that it is now not part of a cesspool of boilerplate any more.
chrysn
added
Area: build system
chrysn
requested review from
leandrolanzieri,
aabadie and
MichelRottleuthner
as code owners
The RUSTFLAGS need to be exported; passing them on through Docker is not required for this addition, but makes sense once we touch it because this invites callers to set them too.
chrysn
removed
Area: tests
This allows users (such as the riot-wrappers CI) to tune their cache directory to their application's caching needs.
github-actions
bot
added
Area: tests
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Contribution description
Applications used to need to set 3 lines of Makefile, when really 1 should suffice.
This takes a bit of freedom from the applications, but I doubt that could be exercised: You can't have a Rust module build without platform support, and the baselib that is being built is part of the Makefile targets, so it couldn't be named any different.
Similarly, applications needed to set panic=abort in their (really: any used) profile, just so that native could build on stable. By setting that from the build system, the need to do that over and over in every example is removed.
Testing procedure