CI: Build aarch64-pc-windows-msvc on ARM Windows 11, and run tests.

Author: briansmith

.github/workflows/ci.yml

@@ -252,9 +252,7 @@ jobs:
             cargo_options: --no-run
 
           - target: aarch64-pc-windows-msvc
-            host_os: windows-latest
-            # GitHub Actions doesn't have a way to run this target yet.
-            cargo_options: --no-run
+            host_os: windows-11-arm
 
           - target: aarch64-unknown-linux-gnu
             host_os: ubuntu-22.04
@@ -352,17 +350,20 @@ jobs:
         with:
           persist-credentials: false
 
+      # From https://github.com/actions/partner-runner-images/issues/77
+      - if: ${{ contains(matrix.host_os, 'windows') && contains(matrix.host_os, 'arm') }}
+        run: |
+          curl -LOs https://static.rust-lang.org/rustup/dist/aarch64-pc-windows-msvc/rustup-init.exe
+            ./rustup-init.exe -y --default-toolchain none --no-modify-path
+          echo "$USERPROFILE/.cargo/bin" >> "$GITHUB_PATH"
+        shell: sh
+
       - run: mk/install-build-tools.sh +${{ matrix.rust_channel }} --target=${{ matrix.target }}
         shell: sh
 
-      - if: ${{ contains(matrix.host_os, 'windows') }}
+      - if: ${{ contains(matrix.host_os, 'windows') && contains(matrix.target, '86') }}
         run: ./mk/install-build-tools.ps1
 
-      - if: ${{ matrix.target == 'aarch64-pc-windows-msvc' }}
-        run: |
-          echo "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Tools\Llvm\x64\bin" >> $GITHUB_PATH
-        shell: bash
-
       - if: ${{ matrix.xcode_version != '' }}
         run: sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode_version }}.app
 
@@ -482,10 +483,10 @@ jobs:
       - run: mk/install-build-tools.sh +${{ matrix.rust_channel }} --target=${{ matrix.target }}
         shell: sh
 
-      - if: ${{ contains(matrix.host_os, 'windows') }}
+      - if: ${{ contains(matrix.host_os, 'windows') && contains(matrix.target, '86') }}
         run: ./mk/install-build-tools.ps1
 
-      - if: ${{ matrix.target == 'aarch64-pc-windows-msvc' }}
+      - if: ${{ matrix.target == 'aarch64-pc-windows-msvc' && !contains(matrix.host_os, 'arm') }}
         run: |
           echo "C:\Program Files (x86)\Microsoft Visual Studio\2022\Enterprise\VC\Tools\Llvm\x64\bin" >> $GITHUB_PATH
         shell: bash
@@ -555,7 +556,7 @@ jobs:
       - run: mk/install-build-tools.sh +${{ matrix.rust_channel }} --target=${{ matrix.target }}
         shell: sh
 
-      - if: ${{ contains(matrix.host_os, 'windows') }}
+      - if: ${{ contains(matrix.host_os, 'windows') && contains(matrix.target, '86') }}
         run: ./mk/install-build-tools.ps1
 
       - run: cargo +${{ matrix.rust_channel }} generate-lockfile
@@ -804,7 +805,7 @@ jobs:
       - run: RING_CPU_MODEL=${{ matrix.cpu_model }} RING_COVERAGE=1 mk/install-build-tools.sh +${{ matrix.rust_channel }} --target=${{ matrix.target }}
         shell: sh
 
-      - if: ${{ contains(matrix.host_os, 'windows') }}
+      - if: ${{ contains(matrix.host_os, 'windows') && contains(matrix.target, '86') }}
         run: ./mk/install-build-tools.ps1
 
       - if: ${{ !contains(matrix.host_os, 'windows') }}