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[bug#42049] [PATCH 0/4] build-system/cargo: Propagations across the crat
[bug#42049] [PATCH 0/4] build-system/cargo: Propagations across the crate closure.
Thu, 13 Aug 2020 12:48:43 +0300
On Thu, Jun 25, 2020 at 11:25:23PM +0200, Jakub Kądziołka wrote:
> Due to the unusual (for Guix) compilation model used by
> cargo-build-system, any phases or inputs added by a given library crate
> need to be duplicated in all its dependents. This patchstack attempts to
> solve this by allowing to propagate inputs, native-inputs and phases
> across cargo-inputs edges in the dependency graph.
> Apart from the build system work itself, I have included samples of the
> cleanup they allow. Apart from being a good example, these are the
> changes I have used to test the feature.
> Jakub Kądziołka (4):
> build-system/cargo: Allow propagating inputs across CARGO-INPUTS edges
> gnu: crates-io: Use propagated-inputs and propagated-native-inputs.
> build-system/cargo: Add a propagated-phases argument.
> gnu: crates-io: Use propagated-phases.
> gnu/packages/crates-io.scm | 157 +++++++++++-------------------------
> gnu/packages/rust-apps.scm | 9 +--
> gnu/packages/sequoia.scm | 3 +-
> guix/build-system/cargo.scm | 92 +++++++++++++++------
> 4 files changed, 120 insertions(+), 141 deletions(-)
I'm going to respond here so the thoughts don't get lost. While it would
take care of some of the issues we have regarding adding regular inputs
or propagated-/native- inputs, I don't think this is the way we want to
go. If we can't figure out how to re-use build artifacts then I'd rather
copy the go-build-system and install the sources into the output and use
that as the input for the next package. That would give us the
build-graph which we really want.
Efraim Flashner <firstname.lastname@example.org> אפרים פלשנר
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- [bug#42049] [PATCH 0/4] build-system/cargo: Propagations across the crate closure.,
Efraim Flashner <=