build: workaround cross-compilation for Windows #19747
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When cross-compiling the Windows standard library in release mode, we would get undefined symbols due to LLVM invoking `add_definitions(-D_DEBUG)`. This would change the behaviour of certain functions from MSVCRT resulting in undefined symbols. Scrub out the unwanted `-D_DEBUG`.
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@swift-ci please test and merge |
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When cross-compiling the Windows standard library in release mode, we
would get undefined symbols due to LLVM invoking
add_definitions(-D_DEBUG). This would change the behaviour of certainfunctions from MSVCRT resulting in undefined symbols. Scrub out the
unwanted
-D_DEBUG.Replace this paragraph with a description of your changes and rationale. Provide links to external references/discussions if appropriate.
Resolves SR-NNNN.