Merge 5796438e86 into 8f26871294

Fix Windows CI builds.

.github/workflows/autobuild.yaml

@@ -147,9 +147,9 @@ jobs:
       matrix:
         config:
         - name: windows
-          os: windows-2019
+          os: windows-2022
           preinstall: choco install ninja nasm
-          vcvars: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat
+          vcvars: C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
           cflags: /O2 /DNDEBUG
           cmake: >-
             "-DCMAKE_C_COMPILER=cl"
@@ -300,6 +300,12 @@ jobs:
       run: >
         ninja -C ${{ env.CLANGD_DIR }} clangd clangd-indexer clangd-index-server
         clangd-index-server-monitor
+    # Install targets so that RUNPATHs get properly substituted.
+    # FIXME: We don't have other targets besides clangd. We probably want them too.
+    - name: Install
+      run: >
+        cmake --install ${{ env.CLANGD_DIR }} --prefix ${{ env.CLANGD_DIR }}
+        "--component=clangd"
     - name: Install OpenMP headers
       shell: bash
       run: >