[PATCH v3 01/12] python3: Add warning comment before PACKAGECONFIG[freethreading]

Zoltán Böszörményi
2026-03-27T08:31:11Z

The warning comment is really needed. While Python 3.14 supports
free-threading officially, the ecosystem around it does not yet.

Signed-off-by: Zoltán Böszörményi <zboszor@gmail.com>
---
meta/recipes-devtools/python/python3_3.14.3.bb | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/meta/recipes-devtools/python/python3_3.14.3.bb b/meta/recipes-devtools/python/python3_3.14.3.bb
index 90863a42a1..c40742fb43 100644
--- a/meta/recipes-devtools/python/python3_3.14.3.bb
+++ b/meta/recipes-devtools/python/python3_3.14.3.bb
@@ -113,7 +113,14 @@ CACHED_CONFIGUREVARS:append:libc-musl = "\

# PGO currently causes builds to not be reproducible so disable by default, see YOCTO #13407
PACKAGECONFIG ??= "editline gdbm ${@bb.utils.filter('DISTRO_FEATURES', 'lto', d)}"
+
+# Some LLVM/CLANG subprojects (e.g. lldb) and many Python modules
+# do not build when free-threading is enabled. Also, the support
+# for free-threading in many Python modules is not yet production level,
+# although they may build fine.
+# This is highly experimental. Do not enable it!
PACKAGECONFIG[freethreading] = "--disable-gil,--enable-gil"
+
PACKAGECONFIG[readline] = "--with-readline=readline,,readline,,,editline"
PACKAGECONFIG[editline] = "--with-readline=editline,,libedit,,,readline"
# Use profile guided optimisation by running PyBench inside qemu-user
--
2.53.0