[DAPHNE-#830] Clang option for build.sh

This commit adds the convenience option to build with Clang to the build.sh script

build.sh

@@ -62,6 +62,7 @@ function printHelp {
     echo "  --hdfs            Compile with support for HDFS"
     echo "  --io_uring        Compile with support for io_uring"
     echo "  --no-papi         Compile without support for PAPI"
+    echo "  --clang           Compile using Clang (instead of GCC)"
 }
 
 #******************************************************************************
@@ -456,6 +457,7 @@ BUILD_IO_URING="-DUSE_IO_URING=OFF"
 BUILD_PAPI="-DUSE_PAPI=ON"
 WITH_DEPS=1
 WITH_SUBMODULE_UPDATE=1
+WITH_CLANG=""
 
 while [[ $# -gt 0 ]]; do
     key=$1
@@ -528,6 +530,10 @@ while [[ $# -gt 0 ]]; do
     -ns | --no-submodule-update)
         WITH_SUBMODULE_UPDATE=0
         ;;
+    --clang)
+        echo "Compiling with Clang"
+        WITH_CLANG="-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++"
+        ;;
       *)
         unknown_options="${unknown_options} ${key}"
         ;;
@@ -1109,7 +1115,7 @@ fi
 daphne_msg "Build Daphne"
 
 cmake -S "$projectRoot" -B "$daphneBuildDir" -G Ninja -DANTLR_VERSION="$antlrVersion" \
-    -DCMAKE_PREFIX_PATH="$installPrefix" \
+    -DCMAKE_PREFIX_PATH="$installPrefix" ${WITH_CLANG} \
     $BUILD_CUDA $BUILD_FPGAOPENCL $BUILD_DEBUG $BUILD_MPI $BUILD_HDFS $BUILD_PAPI
 
 cmake --build "$daphneBuildDir" --target "$target"