[6.2] Added support for expanding response files in clang_Driver_getExternalActionsForCommand_v0. #10487
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…lActionsForCommand_v0. This is necessary because build systems like SwiftBuild may pass arguments to the Clang driver via response files. Without this, the response files are treated as inputs and passed along to the external actions themselves, which is incorrect. This resolves swiftlang#10441.
| @swift-ci Please test |
| @swift-ci Please test Linux platform |
| @swift-ci Please test llvm |
| @swift-ci Please test llvm Linux platform |
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| @swift-ci Please test llvm Linux platform |
| @swift-ci Please test llvm Linux platform |
Bigcheese approved these changes Apr 29, 2025
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This is necessary because build systems like SwiftBuild may pass arguments to the Clang driver via response files. Without this, the response files are treated as inputs and passed along to the external actions themselves, which is incorrect.
This resolves #10441.