Handle libunwind_xdac partial C11 support #42997
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For newer Windows SDKs, the stdalign.h header is present, but the alignas macr is not defined unless the compiler adds the std:c11 or newer. Until we can set the std:c11 flag, work around the missing alignas macro using cmake config.
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Tagging subscribers to this area: @tommcdon |
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I can confirm that this fixes the build failure with Windows Preview SDK for 20226. Thanks! |
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For newer Insider Windows SDKs, the stdalign.h header is present, but the alignas macro is not
defined unless the compiler command line adds the std:c11 or newer option.
Until we can set the std:c11 flag, work around the missing alignas macro using cmake config.
Fixes #39886