https://github.com/python/cpython/commit/c55cce2e5f2f30fa54c616395360ac2e1f9d5d5f
commit: c55cce2e5f2f30fa54c616395360ac2e1f9d5d5f
branch: 3.14
author: Savannah Ostrowski <[email protected]>
committer: savannahostrowski <[email protected]>
date: 2026-05-04T00:30:24Z
summary:
[3.14] GH-146475: Block Apple Clang for building JIT stencils (#149188)
(#149339)
GH-146475: Block Apple Clang for building JIT stencils (#149188)
(cherry picked from commit c0e064003954142b4ba820dfe149f893227c4f11)
files:
A Misc/NEWS.d/next/Build/2026-04-30-08-43-47.gh-issue-146475.1cL4hX.rst
M Tools/jit/_llvm.py
diff --git
a/Misc/NEWS.d/next/Build/2026-04-30-08-43-47.gh-issue-146475.1cL4hX.rst
b/Misc/NEWS.d/next/Build/2026-04-30-08-43-47.gh-issue-146475.1cL4hX.rst
new file mode 100644
index 00000000000000..225c659393fac5
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2026-04-30-08-43-47.gh-issue-146475.1cL4hX.rst
@@ -0,0 +1,2 @@
+Block Apple Clang from being used to build the JIT as it ships without
+required LLVM tools.
diff --git a/Tools/jit/_llvm.py b/Tools/jit/_llvm.py
index f09a8404871b24..79b6b7ec53005e 100644
--- a/Tools/jit/_llvm.py
+++ b/Tools/jit/_llvm.py
@@ -11,7 +11,9 @@
import _targets
_LLVM_VERSION = 19
-_LLVM_VERSION_PATTERN =
re.compile(rf"version\s+{_LLVM_VERSION}\.\d+\.\d+\S*\s+")
+_LLVM_VERSION_PATTERN = re.compile(
+ rf"(?<!Apple )(LLVM|clang) version\s+{_LLVM_VERSION}\.\d+\.\d+\S*\s+"
+)
_EXTERNALS_LLVM_TAG = "llvm-19.1.7.0"
_P = typing.ParamSpec("_P")
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