[libcxx-commits] [libcxx] [libc++] Enable clang-tidy in the CI again (PR #195047)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 created https://github.com/llvm/llvm-project/pull/195047

None

>From c271f78b7ecd00076f7281eafada3fe028671b31 Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Thu, 30 Apr 2026 11:49:40 +0200
Subject: [PATCH] [libc++] Enable clang-tidy in the CI again

---
 libcxx/utils/ci/run-buildbot | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libcxx/utils/ci/run-buildbot b/libcxx/utils/ci/run-buildbot
index 59e4bfe5928b4..ada5ea0d64177 100755
--- a/libcxx/utils/ci/run-buildbot
+++ b/libcxx/utils/ci/run-buildbot
@@ -119,6 +119,8 @@ function clean() {
 function generate-cmake-base() {
     step "Generating CMake"
 
+    export CMAKE_PREFIX_PATH="/opt/compiler-explorer/clang-trunk/lib/cmake"
+
     # We can remove -DCMAKE_INSTALL_MESSAGE=NEVER once https://gitlab.kitware.com/cmake/cmake/-/issues/26085 is fixed.
     cmake \
           -S "${MONOREPO_ROOT}/runtimes" \