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e656303867
Prior to this change all python packages using `setuptools-rust` were broken when cross compiled as they built binaries for the build platform instead of for the host platform. The setuptoolsRustBuildHook hook would have to be included as a native build input instead of the `setuptools-rust` package, but practically wasn't used anywhere. This change makes it so that `setuptoolsRustBuildHook` becomes unnecessary, and instead `setuptools-rust` propagates a setup-hook directly setting up the build environment, similar to how cmake does it when included via nativeBuildInputs. This change fixes cross on all packages using `setuptools-rust` as a build-system.
20 lines
734 B
Bash
20 lines
734 B
Bash
# shellcheck shell=bash
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echo "Sourcing setuptools-rust-hook"
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setuptoolsRustSetup() {
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# This can work only if rustPlatform.cargoSetupHook is also included
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if ! command -v cargoSetupPostPatchHook >/dev/null; then
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echo "ERROR: setuptools-rust has to be used alongside with rustPlatform.cargoSetupHook!"
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exit 1
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fi
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export PYO3_CROSS_LIB_DIR="@pyLibDir@"
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export CARGO_BUILD_TARGET=@cargoBuildTarget@
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# TODO theoretically setting linker should not be required because it is
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# already set in pkgs/build-support/rust/hooks/default.nix but build fails
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# on missing linker without this.
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export CARGO_TARGET_@cargoLinkerVar@_LINKER=@targetLinker@
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}
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preConfigureHooks+=(setuptoolsRustSetup)
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