[PATCH] D98278: [test] Only use hardcoded errno messages when compiling with an MSVC implementation

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo added a comment.

In D98278#2616916 <https://reviews.llvm.org/D98278#2616916>, @zero9178 wrote:

> Add GetErrcMessages.cmake, which contains a cmake function to automatically get the error messages of various posix error codes needed by lit by running a small C++ program.
> Currently ENOENT, EISDIR, EINVAL and EACCES are supplied. 
> These error messages are then currently supplied to clang, llvm and lld as the errc_messages config parameter.
>
> Regarding Cross compiling: the function uses try_run which when cross compiling may use the CMAKE_CROSSCOMPILING_EMULATOR to run the code.

How does it behave if such a thing isn't hooked up? Ideally it'd fall back silently and these parts of tests would just fail, but not block things overall.


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