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python311: fix _ctypes build on darwin

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In Python 3.12+, the -DUSING_APPLE_OS_LIBFFI=1 macro is always set:
25590eb5de

Fixes #390348

Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
This commit is contained in:
Ihar Hrachyshka
2025-03-16 14:36:07 -04:00
parent 8db87f2960
commit ef35af3b1a
1 changed files with 3 additions and 0 deletions
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3
pkgs/development/interpreters/python/cpython/default.nix
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@@ -434,6 +434,9 @@ in with passthru; stdenv.mkDerivation (finalAttrs: {
for path in /usr /sw /opt /pkg; do
substituteInPlace ./setup.py --replace-warn $path /no-such-path
done
'' + optionalString (stdenv.hostPlatform.isDarwin && pythonOlder "3.12") ''
# Fix _ctypes module compilation
export NIX_CFLAGS_COMPILE+=" -DUSING_APPLE_OS_LIBFFI=1"
'' + optionalString stdenv.hostPlatform.isDarwin ''
# Override the auto-detection in setup.py, which assumes a universal build
export PYTHON_DECIMAL_WITH_MACHINE=${if stdenv.hostPlatform.isAarch64 then "uint128" else "x64"}