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MSVC __STDCPP_DEFAULT_NEW_ALIGNMENT__ not detected #125

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bradking opened this issue Aug 6, 2018 · 0 comments
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MSVC __STDCPP_DEFAULT_NEW_ALIGNMENT__ not detected #125

bradking opened this issue Aug 6, 2018 · 0 comments

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@bradking
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bradking commented Aug 6, 2018

When using --castxml-cc-msvc with a cl that defines __STDCPP_DEFAULT_NEW_ALIGNMENT__, the definition is not detected and used for preprocessing by castxml. This leads to errors like:

error: use of undeclared identifier '__STDCPP_DEFAULT_NEW_ALIGNMENT__'

during preprocessing of MSVC standard headers.
bradking added a commit to bradking/CastXML that referenced this issue Aug 6, 2018
@bradking
Detect: Add __STDCPP_DEFAULT_NEW_ALIGNMENT__ predefined VS macro
ae93121 
This macro is missing from the main MSVC predefined macro list but is
documented by [1] and [2].  Also add `__STDCPP_STRICT_POINTER_SAFETY__`
as documented by [2] in case MSVC ever starts defining it.

[1] https://docs.microsoft.com/en-us/cpp/build/reference/zc-alignednew
[2] https://en.cppreference.com/w/cpp/preprocessor/replace

Fixes: CastXML#125
@bradking bradking mentioned this issue Aug 6, 2018
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