don't use brew llvm on mac

.github/workflows/MacOS.yml

@@ -49,7 +49,7 @@ jobs:
     - name: Configure and Build
       shell: bash
       run: |
-        bash scripts/${{ runner.os }}/1_build.sh --${{ matrix.precision }} --nightly --use_brew_llvm --ccache
+        bash scripts/${{ runner.os }}/1_build.sh --${{ matrix.precision }} --nightly --ccache
     - name: Deploy
       shell: bash
       run: |

scripts/macOS/1_build.sh

@@ -20,7 +20,6 @@ INSTALL_PATH=$SOURCE_PATH/../install
 CORES="-j4"
 DOUBLE_PRECISION_OPTION=""
 NIGHTLY_OPTION=""
-USE_BREW_LLVM=false
 QT_DIR=""
 CCACHE=""
 
@@ -52,10 +51,6 @@ case $i in
         QT_DIR=${i#*=}
         shift # past argument=value
         ;;
-    --use_brew_llvm)
-        USE_BREW_LLVM=true
-        shift # past argument=value
-        ;;
     --ccache)
         CCACHE="-DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache"
         shift # past argument=value
@@ -78,16 +73,6 @@ then
     mkdir -p $INSTALL_PATH
 fi
 
-if [ "$USE_BREW_LLVM" = true ] ; then
-    export PATH="$(brew --prefix llvm)/bin:$PATH";
-    export CC=/usr/local/opt/llvm/bin/clang
-    export CXX=/usr/local/opt/llvm/bin/clang++
-    export COMPILER=${CXX}
-    export CFLAGS="-I /usr/local/include -I/usr/local/opt/llvm/include"
-    export CXXFLAGS="-I /usr/local/include -I/usr/local/opt/llvm/include"
-    export LDFLAGS="-L /usr/local/lib -L/usr/local/opt/llvm/lib"
-fi
-
 cd $BUILD_PATH
 cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$INSTALL_PATH $CCACHE $DOUBLE_PRECISION_OPTION $NIGHTLY_OPTION $SOURCE_PATH
 make $CORES