[llvm] [Github] Add libunwind to docs CI (PR #69830)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-github-workflow

Author: Aiden Grossman (boomanaiden154)

<details>
<summary>Changes</summary>

This patch adds the libunwind docs to the Github docs action which enables easy triage of docs build failures in Github PRs. There is already buildbot coverage of this configuration, but it is much less convenient to use in PRs.

---
Full diff: https://github.com/llvm/llvm-project/pull/69830.diff


1 Files Affected:

- (modified) .github/workflows/docs.yml (+9) 


``````````diff
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 2900f73c77c5a66..f9693f4390a3a57 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -15,10 +15,12 @@ on:
     paths:
       - 'llvm/docs/**'
       - 'clang/docs/**'
+      - 'libunwind/docs/**'
   pull_request:
     paths:
       - 'llvm/docs/**'
       - 'clang/docs/**'
+      - 'libunwind/docs/**'
 
 jobs:
   check-docs-build:
@@ -47,6 +49,8 @@ jobs:
               - 'llvm/docs/**'
             clang:
               - 'clang/docs/**'
+            libunwind:
+              - 'libunwind/docs/**'
       - name: Setup Python env
         uses: actions/setup-python at v4
         with:
@@ -69,4 +73,9 @@ jobs:
         run: |
           cmake -B clang-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C clang-build docs-clang-html docs-clang-man
+      - name: Build libunwind docs
+        if: steps.docs-changed-subprojects.outputs.libunwind_any_changed == 'true'
+        run: |
+          cmake -B libunwind-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_RUNTIMES="libunwind" -DLLVM_ENABLE_SPHINX=ON ./runtimes
+          TZ=UTC ninja -C libunwind-build docs-libunwind-html
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/69830