CI: Build on macos

Author: ubaidsk

.github/workflows/CI.yml

@@ -263,7 +263,7 @@ jobs:
 
   debug:
     name: Check Debug build
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
         with:
@@ -275,7 +275,6 @@ jobs:
           create-args: >-
             python=3.10
             bison=3.4
-            clang
 
       - uses: hendrikmuhs/ccache-action@main
         with:
@@ -287,7 +286,7 @@ jobs:
         run: |
             ./build0.sh
             export CXXFLAGS="-Werror"
-            cmake . -GNinja \
+            cmake . \
               -DCMAKE_BUILD_TYPE=Debug \
               -DWITH_LLVM=yes \
               -DLFORTRAN_BUILD_ALL=yes \
@@ -311,7 +310,7 @@ jobs:
 
   release:
     name: Check Release build
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
         with:
@@ -334,7 +333,7 @@ jobs:
         run: |
             ./build0.sh
             export CXXFLAGS="-Werror"
-            cmake . -GNinja \
+            cmake . \
               -DCMAKE_BUILD_TYPE=Release \
               -DWITH_LLVM=yes \
               -DLFORTRAN_BUILD_ALL=yes \