[llvm-branch-commits] [llvm] [docs] Enable absolute LLVM documentation link checks (PR #222508)

[Reid Kleckner via llvm-branch-commits]

https://github.com/rnk updated https://github.com/llvm/llvm-project/pull/222508

>From dccbcb71c25caca73f3f6ec9c1534d38efe92e89 Mon Sep 17 00:00:00 2001
From: Reid Kleckner <rkleckner at nvidia.com>
Date: Wed, 9 Sep 2026 23:10:00 +0000
Subject: [PATCH] [docs] Enable absolute documentation link checks

Configure the LLVM documentation URL prefixes so the Sphinx build rejects
absolute links to documents in the same project. Clang is already configured.

Part of #214861
---
 llvm/docs/conf.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/llvm/docs/conf.py b/llvm/docs/conf.py
index f14582ac274d36..d5c4d21dd755b1 100644
--- a/llvm/docs/conf.py
+++ b/llvm/docs/conf.py
@@ -22,7 +22,17 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions += ["sphinx.ext.intersphinx", "sphinx.ext.todo", "llvm_sphinx.ext.checks"]
+extensions += [
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.todo",
+    "llvm_sphinx.ext.absolute_links",
+    "llvm_sphinx.ext.checks",
+]
+
+llvm_sphinx_doc_url_prefixes = (
+    "https://llvm.org/docs/",
+    "https://www.llvm.org/docs/",
+)
 
 myst_enable_extensions += ["deflist"]
 myst_url_schemes = {