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[CI/Build]: make it possible to build with a free-threaded interpreter (#29241)

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Signed-off-by: Ralf Gommers <ralf.gommers@gmail.com>
Co-authored-by: Cyrus Leung <tlleungac@connect.ust.hk>
This commit is contained in:
Ralf Gommers
2025-11-29 00:21:46 +01:00
committed by GitHub
parent 1986de1375
commit 7c1ed45848
2 changed files with 13 additions and 2 deletions
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8
cmake/utils.cmake
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@@ -495,7 +495,13 @@ function (define_extension_target MOD_NAME)
set(SOABI_KEYWORD "")
endif()
if (ARG_USE_SABI)
run_python(IS_FREETHREADED_PYTHON
"import sysconfig; print(1 if sysconfig.get_config_var(\"Py_GIL_DISABLED\") else 0)"
"Failed to determine whether interpreter is free-threaded")
# Free-threaded Python doesn't yet support the stable ABI (see PEP 803/809),
# so avoid using the stable ABI under free-threading only.
if (ARG_USE_SABI AND NOT IS_FREETHREADED_PYTHON)
Python_add_library(${MOD_NAME} MODULE USE_SABI ${ARG_USE_SABI} ${SOABI_KEYWORD} "${ARG_SOURCES}")
else()
Python_add_library(${MOD_NAME} MODULE ${SOABI_KEYWORD} "${ARG_SOURCES}")