bpo-11566: Remove hypot -> _hypot macro for very old compilers #11283
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This addresses C extension build errors related to an undefined _hypot symbol when building with the Microsoft Visual C++ Compiler for Python 2.7 [1] or MinGWPy [2]. It also addresses errors when building a C++ extension with MinGWPy and C++11 from cmath, 'error "::hypot' has not been declared' On line 71 of PC/pyconfig.h, HAVE_HYPOT is defined, indicating that hypot is expected to be available in current Windows toolchains. [1] https://www.microsoft.com/en-us/download/details.aspx?id=44266 [2] https://mingwpy.github.io/
methane
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methane
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GH-11284 is a backport of this pull request to the 3.7 branch. |
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Sorry, @thewtex and @methane, I could not cleanly backport this to |
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This addresses C extension build errors related to an undefined _hypot symbol when building with the Microsoft Visual C++ Compiler for Python 2.7 [1] or MinGWPy [2]. It also addresses errors when building a C++ extension with MinGWPy and C++11 from cmath, 'error "::hypot' has not been declared' [1] https://www.microsoft.com/en-us/download/details.aspx?id=44266 [2] https://mingwpy.github.io/ (cherry picked from commit 87667c5) Co-authored-by: Matt McCormick <matt@mmmccormick.com>
methane
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) This addresses C extension build errors related to an undefined _hypot symbol when building with the Microsoft Visual C++ Compiler for Python 2.7 [1] or MinGWPy [2]. It also addresses errors when building a C++ extension with MinGWPy and C++11 from cmath, 'error "::hypot' has not been declared' [1] https://www.microsoft.com/en-us/download/details.aspx?id=44266 [2] https://mingwpy.github.io/
miss-islington
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This addresses C extension build errors related to an undefined _hypot symbol when building with the Microsoft Visual C++ Compiler for Python 2.7 [1] or MinGWPy [2]. It also addresses errors when building a C++ extension with MinGWPy and C++11 from cmath, 'error "::hypot' has not been declared' [1] https://www.microsoft.com/en-us/download/details.aspx?id=44266 [2] https://mingwpy.github.io/ (cherry picked from commit 87667c5) Co-authored-by: Matt McCormick <matt@mmmccormick.com>
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@miss-islington thanks for the help! The Python 2.7 patch is at GH-880 and has been merged by @methane. 🌮 🎉 🕺 |
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This addresses C extension build errors related to an undefined _hypot
symbol when building with the Microsoft Visual C++ Compiler for Python
2.7 [1] or MinGWPy [2]. It also addresses errors when building a C++
extension with MinGWPy and C++11 from cmath, 'error "::hypot' has not
been declared'
On line 71 of PC/pyconfig.h, HAVE_HYPOT is defined, indicating that
hypot is expected to be available in current Windows toolchains.
[1] https://www.microsoft.com/en-us/download/details.aspx?id=44266
[2] https://mingwpy.github.io/
https://bugs.python.org/issue11566