[build] Switch over to new --cross-compile-build-swift-tools flag when cross-compiling Foundation macros#82163
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finagolfin merged 1 commit intoswiftlang:mainfrom Jun 11, 2025
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…hen cross-compiling Foundation macros Follow-on to swiftlang#38441, missed this there.
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…83422) This new flag makes it easy to build Swift cross-compilation toolchains, by disabling cross-compilation of all host tools, like the Swift compiler and various macros, building on prior pulls #38441 and #82163. Native compilation has more fine-grained flags like `--build-swift-tools`, `--build-llvm`, and `--swift-testing-macros`, but those will disable building them for _all_ platforms (with the exception of `--build-swift-tools`, which I modified to only apply for the host, since the initial introduction of this `--cross-compile-build-swift-tools` flag a couple months ago), so they're not suited for building a cross-compilation toolchain, where you want all host tools built for the native host but not for any cross-compilation SDKs.
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Follow-on to #38441, missed this there.