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Forward --ld-path to linker driver #1416

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Merged
merged 2 commits into from
Sep 5, 2023
Merged

Forward --ld-path to linker driver #1416

merged 2 commits into from
Sep 5, 2023

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kabiroberai
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@kabiroberai kabiroberai commented Aug 16, 2023 •
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This PR introduces an --ld-path option, which is forwarded to the Clang linker-driver option with the same name. This change is required to support the toolset.linker.path option in SE-0387.

See also

Upstream: swiftlang/swift#67956.
Downstream: swiftlang/swift-package-manager#6719.

This was referenced Aug 16, 2023
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@MaxDesiatov MaxDesiatov requested a review from artemcm August 16, 2023 10:20
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@swift-ci test

compnerd
compnerd reviewed Aug 16, 2023
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I think that this should map to -B. Why is -tools-path insufficient?

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@compnerd I think mapping -tools-path to -B would be a good follow-up, as that'd handle toolset.toolsetRootPath correctly. But the toolset schema allows each individual tool to have a custom path, so we still need to handle the possibility of toolset.linker.path being explicitly set.

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@compnerd I think mapping -tools-path to -B would be a good follow-up, as that'd handle toolset.toolsetRootPath correctly. But the toolset schema allows each individual tool to have a custom path, so we still need to handle the possibility of toolset.linker.path being explicitly set.

Multiple -B options can be specified so that can still work. That said, if we are exposing that, can we make all of these options "invisible" as I'm not sure if we want them to be user visible - the toolset schema can coordinate with the driver with internal flags.

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artemcm commented Aug 16, 2023

@swift-ci test

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@compnerd fyi following up on your comment about -tools-directory, it looks like GenericUnixToolchain and WindowsToolchain indeed forward it to clang -B but this is missing from DarwinToolchain and WebAssemblyToolchain. Should I open a follow-up PR to patch this?

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MaxDesiatov commented Aug 16, 2023 •
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Patching those in a follow-up PR makes sense to me.

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@MaxDesiatov MaxDesiatov merged commit 4d7f6a0 into swiftlang:main Sep 5, 2023
MaxDesiatov added a commit to swiftlang/swift that referenced this pull request Sep 5, 2023
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Merge pull request #67956 from kabiroberai/kabir/ld-path-option
a7ff6e9 
This PR defines an `--ld-path` option for the Swift Driver, which is forwarded to the Clang linker-driver option with the same name. This change is required to support the `toolset.linker.path` option in [SE-0387](https://github.com/apple/swift-evolution/blob/main/proposals/0387-cross-compilation-destinations.md).

## See Also

Downstream: swiftlang/swift-driver#1416, swiftlang/swift-package-manager#6719.
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@MaxDesiatov MaxDesiatov MaxDesiatov approved these changes

@artemcm artemcm artemcm approved these changes

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