Update .codeql-prebuild-cpp-macOS.sh

.codeql-prebuild-cpp-macOS.sh

@@ -3,6 +3,13 @@ set -e
 
 gcc_version=11
 
+# set homebrew path based on architecture
+if [ "$(uname -m)" = "arm64" ]; then
+  export BREW_PATH="/opt/homebrew"
+else
+  export BREW_PATH="/usr/local"
+fi
+
 # install dependencies
 brew install \
   cmake \
@@ -12,8 +19,8 @@ brew install \
 mkdir -p build
 cd build || exit 1
 cmake \
-  -DCMAKE_C_COMPILER="/opt/homebrew/bin/gcc-${gcc_version}" \
-  -DCMAKE_CXX_COMPILER="/opt/homebrew/bin/g++-${gcc_version}" \
+  -DCMAKE_C_COMPILER="${BREW_PATH}/bin/gcc-${gcc_version}" \
+  -DCMAKE_CXX_COMPILER="${BREW_PATH}/bin/g++-${gcc_version}" \
   -G "Unix Makefiles" ..
 make -j"$(sysctl -n hw.logicalcpu)"