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gh-138451: Support custom LLVM installation path #138452

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gh-138451: Support custom LLVM installation path #138452

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9af482d
Support custom LLVM installation path
xhochy Sep 3, 2025
0bd8352
📜🤖 Added by blurb_it.
blurb-it[bot] Sep 3, 2025
859bfbd
Use `LLVM_TOOLS_INSTALL_DIR` to search for LLVM tools
xhochy Sep 5, 2025
9492d92
Don't join on empty values.
xhochy Sep 7, 2025
788de07
Fix syntax error
xhochy Sep 7, 2025
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Build/2025-09-03-14-55-59.gh-issue-138451.-Qzh2S.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Search for LLVM tools in ``LLVM_TOOLS_INSTALL_DIR`` during the build.
5 changes: 5 additions & 0 deletions Tools/jit/_llvm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,11 @@ async def _get_brew_llvm_prefix(*, echo: bool = False) -> str | None:

@_async_cache
async def _find_tool(tool: str, *, echo: bool = False) -> str | None:
# Explicitly defined LLVM installation location
if llvm_tools_dir := os.getenv("LLVM_TOOLS_INSTALL_DIR"):
path = os.path.join(llvm_tools_dir, tool)
if await _check_tool_version(path, echo=echo):
return path
# Unversioned executables:
path = tool
if await _check_tool_version(path, echo=echo):
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