Update ci.yml

Author: mcbarton

.github/workflows/ci.yml

@@ -281,6 +281,11 @@ jobs:
         fi
       env:
         compiler: ${{ matrix.compiler }}
+    
+    - uses: maxim-lobanov/setup-xcode@v1
+      if: ${{ runner.os == 'macOS' && steps.cache.outputs.cache-hit != 'true' && ${{ matrix.cling }} == 'On' }}
+      with:
+        xcode-version: '15.4.0'
 
     - name: Setup compiler on macOS
       if: ${{ runner.os == 'macOS' && steps.cache.outputs.cache-hit != 'true' }}
@@ -291,7 +296,6 @@ jobs:
           echo "CC=gcc-${vers}" >> $GITHUB_ENV
           echo "CXX=g++-${vers}" >> $GITHUB_ENV
         else
-          echo "SDKROOT=$(xcrun --sdk macosx --show-sdk-path)" >> $GITHUB_ENV
           export ARCHITECHURE=$(uname -m)
           if [[ "$ARCHITECHURE" == "arm64" ]]; then
             cling_on=$(echo "${{ matrix.cling }}" | tr '[:lower:]' '[:upper:]')
@@ -304,7 +308,7 @@ jobs:
                 echo 'CPATH="/opt/homebrew/include/"' >> $GITHUB_ENV
                 echo 'LIBRARY_PATH="/opt/homebrew/lib/"' >> $GITHUB_ENV
                 ls /Applications/
-                echo 'DEVELOPER_DIR=/Applications/Xcode_15.4.app/Contents/Developer/' >> $GITHUB_ENV
+                echo 'DEVELOPER_DIR=/Applications/Xcode15.4.app/Contents/Developer/' >> $GITHUB_ENV
                 echo "CC=$(brew --prefix llvm@15)/bin/clang" >> $GITHUB_ENV
                 echo "CXX=$(brew --prefix llvm@15)/bin/clang++" >> $GITHUB_ENV
             else
@@ -316,6 +320,7 @@ jobs:
             echo "CXX=$(brew --prefix llvm@15)/bin/clang++" >> $GITHUB_ENV
           fi
         fi
+        echo "SDKROOT=$(xcrun --sdk macosx --show-sdk-path)" >> $GITHUB_ENV
       env:
         compiler: ${{ matrix.compiler }}
 
@@ -770,6 +775,11 @@ jobs:
       env:
         compiler: ${{ matrix.compiler }}
 
+    - uses: maxim-lobanov/setup-xcode@v1
+      if: ${{ runner.os == 'macOS' && ${{ matrix.cling }} == 'On' }}
+      with:
+        xcode-version: '15.4.0'
+
     - name: Setup compiler on macOS
       if: runner.os == 'macOS'
       run: |