rossburton wrote:
So my approach was wrong. My goal is to not build clang-tblgen if it's already
been provided, but not explode the build if it hasn't. Obviously I'm doing
something wrong with this approach and either I need to fiddle the logic in
`add_tablegen` or the behaviour I'm after alre
rossburton wrote:
> Moreover, this may have pretty big implications since the implementation of
> these commands 8s very inconsistent across platforms and no common rules seem
> to exist. Some platforms have `python` that aliases to `python3`, some alias
> it to `python2`, some only have `pyth
https://github.com/rossburton created
https://github.com/llvm/llvm-project/pull/160605
When cross-compiling the LLVM project as a whole (from llvm/), if it cannot
find presupplied tools it will create a native build environment to build the
tools it needs.
However, when doing a standalone bui
https://github.com/rossburton created
https://github.com/llvm/llvm-project/pull/163566
Ensure that the nested native CMake build uses the same Python interpreter as
the outer build.
Unify python shebangs so that they use `python3` everywhere, instead of a mix
of `python` and `python3`.
>From
rossburton wrote:
The PYTHON_EXECUTABLE and the shebang cleanups are entirely unrelated except by
theme, I can split them it that would make things easier.
https://github.com/llvm/llvm-project/pull/163566
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rossburton wrote:
Just marked as a draft as I'm thinking there _might_ be an case where you want
to both use an existing tblgen _and_ build a new one: in complex multi-stage
cross-compilation builds of clang. I'm not sure if this is overcomplicating
things, or a realistic need.
Either way, I
https://github.com/rossburton updated
https://github.com/llvm/llvm-project/pull/163566
>From 19f755003adf1befe663543286950fb4ac3a Mon Sep 17 00:00:00 2001
From: Ross Burton
Date: Wed, 15 Oct 2025 15:21:16 +0100
Subject: [PATCH 1/3] [cmake] Pass PYTHON_EXECUTABLE to native builds
Ensure tha
rossburton wrote:
The cmake/python/native commit has been split out to
https://github.com/llvm/llvm-project/pull/163574.
https://github.com/llvm/llvm-project/pull/163566
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rossburton wrote:
And CI exploded, so I'll dig into that obviously.
https://github.com/llvm/llvm-project/pull/161952
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https://github.com/rossburton created
https://github.com/llvm/llvm-project/pull/161952
It's possible to build clang with an existing clang-tblgen (common when
cross-compiling, for instance) by setting CLANG_TABLEGEN_EXE. If this is the
case there's no need to build it, as it won't be used.
>
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