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Enable missing acosh & friends in cmath #34

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dmik opened this issue Sep 2, 2019 · 2 comments
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Enable missing acosh & friends in cmath #34

dmik opened this issue Sep 2, 2019 · 2 comments

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@dmik
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dmik commented Sep 2, 2019

Currently, std::acosh and friends are not part of std because our c++config.h lacks _GLIBCXX_USE_C99_MATH_TR1. Should be easily fixable but we also need to guard some imports (like log2, log2f and tgammaf) with #ifdef _GNU_SOURCE as they are not defined by math.h otherwise.

As a temporary solution, one may simply omit the std namespace so that C versions will be dragged right from the global C namespace.
@dmik dmik mentioned this issue Sep 2, 2019
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@dmik
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dmik commented Sep 5, 2019

The relevant commit with workarounds that need to be undone once this is fixed is this one: bitwiseworks/qtdeclarative-os2@e7a9758

dmik added a commit to bitwiseworks/qtbase-os2 that referenced this issue Sep 23, 2019
@dmik
gui/os2: Disable std::trunc which is missing in current GCC.
cd941da 
See psmedley/gcc#34.

This is a regression of 5.13.1.
This was referenced Mar 14, 2020
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dmik commented Mar 16, 2020

Closing in favor of bitwiseworks/gcc-os2#15.

@dmik dmik closed this as completed Mar 16, 2020
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