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disable limited api for no gil 3.14 #715

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disable limited api for no gil 3.14 #715

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10 changes: 9 additions & 1 deletion setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -445,6 +445,7 @@ def awscrt_ext():
extra_objects = []
define_macros = []
py_limited_api = False
has_gil = True

libraries = [x.libname for x in AWS_LIBS]

Expand Down Expand Up @@ -531,8 +532,15 @@ def awscrt_ext():
else:
extra_link_args += ['-Wl,--fatal-warnings']

if hasattr(sys, '_is_gil_enabled'):
has_gil = sys._is_gil_enabled()

# prefer building with stable ABI, so a wheel can work with multiple major versions
if sys.version_info >= (3, 13):
if not has_gil and sys.version_info == (3, 14):
# 3.14 free threaded (aka no gil) does not support limited api.
# disable it for now. 3.15 promises to support limited api + free threading combo
py_limited_api = False
elif sys.version_info >= (3, 13):
# 3.13 deprecates PyWeakref_GetObject(), adds alternative
define_macros.append(('Py_LIMITED_API', '0x030D0000'))
py_limited_api = True
Expand Down