[llvm] [workflows] Only build native targets in ci-ubuntu-22.04 container (PR #94649)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-github-workflow

Author: Tom Stellard (tstellar)

<details>
<summary>Changes</summary>

This should help reduce the build times.

---
Full diff: https://github.com/llvm/llvm-project/pull/94649.diff


1 Files Affected:

- (modified) .github/workflows/containers/github-action-ci/stage1.Dockerfile (+2) 


``````````diff
diff --git a/.github/workflows/containers/github-action-ci/stage1.Dockerfile b/.github/workflows/containers/github-action-ci/stage1.Dockerfile
index 8c6bcf4638410..6a8819d8e1af1 100644
--- a/.github/workflows/containers/github-action-ci/stage1.Dockerfile
+++ b/.github/workflows/containers/github-action-ci/stage1.Dockerfile
@@ -32,7 +32,9 @@ RUN mkdir build
 RUN cmake -B ./build -G Ninja ./llvm \
   -C ./clang/cmake/caches/BOLT-PGO.cmake \
   -DBOOTSTRAP_LLVM_ENABLE_LLD=ON \
+  -DBOOTSTRAP_LLVM_TARGETS_TO_BUILD=Native \
   -DBOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_LLD=ON \
+  -DBOOTSTRAP_BOOTSTRAP_LLVM_TARGETS_TO_BUILD=Native \
   -DPGO_INSTRUMENT_LTO=Thin \
   -DLLVM_ENABLE_RUNTIMES="compiler-rt" \
   -DCMAKE_INSTALL_PREFIX="$LLVM_SYSROOT" \

``````````

</details>


https://github.com/llvm/llvm-project/pull/94649