Fix macOS builds on Intel (#905)

Fixes #904

Author: grulja

.github/workflows/pr-check.yml

@@ -75,7 +75,11 @@ jobs:
           set -eo pipefail
           mkdir build
           cd build
-          cmake .. -DCMAKE_BUILD_TYPE=Release
+          if [ "${{ matrix.arch }}" == "x86_64" ]; then
+            cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="${{ matrix.arch }}"
+          else
+            cmake .. -DCMAKE_BUILD_TYPE=Release
+          fi
           cmake --build . --parallel
 
       - name: Bundle

.github/workflows/release.yml

@@ -39,7 +39,11 @@ jobs:
           set -eo pipefail
           mkdir build
           cd build
-          cmake .. -DCMAKE_BUILD_TYPE=Release
+          if [ "${{ matrix.arch }}" == "x86_64" ]; then
+            cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="${{ matrix.arch }}"
+          else
+            cmake .. -DCMAKE_BUILD_TYPE=Release
+          fi
           cmake --build . --parallel
 
       - name: Bundle