pkgs/development/python-modules/scipy/pocketfft-aligned_alloc.patch

   1 From fbe3c10d117de98d80a86a10f76d4cd74efc55a8 Mon Sep 17 00:00:00 2001
   2 From: Martin Reinecke <martin@mpa-garching.mpg.de>
   3 Date: Fri, 22 Mar 2024 10:53:05 +0100
   4 Subject: [PATCH] unconditionaly disable use of aligned_alloc
   5
   6 ---
   7  pocketfft_hdronly.h | 10 +++++-----
   8  1 file changed, 5 insertions(+), 5 deletions(-)
   9
  10 diff --git a/scipy/_lib/pocketfft/pocketfft_hdronly.h b/scipy/_lib/pocketfft/pocketfft_hdronly.h
  11 index 6c98f2d..66eea06 100644
  12 --- a/scipy/_lib/pocketfft/pocketfft_hdronly.h
  13 +++ b/scipy/_lib/pocketfft/pocketfft_hdronly.h
  14 @@ -152,11 +152,11 @@ template<> struct VLEN<double> { static constexpr size_t val=2; };
  15  #endif
  16  #endif
  17
  18 -// the __MINGW32__ part in the conditional below works around the problem that
  19 -// the standard C++ library on Windows does not provide aligned_alloc() even
  20 -// though the MinGW compiler and MSVC may advertise C++17 compliance.
  21 -// aligned_alloc is only supported from MacOS 10.15.
  22 -#if (__cplusplus >= 201703L) && (!defined(__MINGW32__)) && (!defined(_MSC_VER)) && (__MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_15)
  23 +// std::aligned_alloc is a bit cursed ... it doesn't exist on MacOS < 10.15
  24 +// and in musl, and other OSes seem to have even more peculiarities.
  25 +// Let's unconditionally work around it for now.
  26 +# if 0
  27 +//#if (__cplusplus >= 201703L) && (!defined(__MINGW32__)) && (!defined(_MSC_VER)) && (__MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_15)
  28  inline void *aligned_alloc(size_t align, size_t size)
  29    {
  30    // aligned_alloc() requires that the requested size is a multiple of "align"