diff --git a/build-ventus.sh b/build-ventus.sh
index e9fedf34f8c2..65b4662f8b85 100755
--- a/build-ventus.sh
+++ b/build-ventus.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-
+ORIG_ARGC=$#
 DIR=$(cd "$(dirname "${0}")" &> /dev/null && (pwd -W 2> /dev/null || pwd))
 VENTUS_BUILD_DIR=${DIR}/build
 LIBCLC_BUILD_DIR=${DIR}/build-libclc
@@ -174,9 +174,10 @@ build_pocl() {
 
 # Build libclc for pocl
 build_libclc() {
-  if [ ! -d "${LIBCLC_BUILD_DIR}" ]; then
-    mkdir ${LIBCLC_BUILD_DIR}
+  if [ -d "${LIBCLC_BUILD_DIR}" ]; then
+      rm -rf "${LIBCLC_BUILD_DIR}"
   fi
+  mkdir "${LIBCLC_BUILD_DIR}"
   cd ${LIBCLC_BUILD_DIR}
   cmake -G Ninja -B ${LIBCLC_BUILD_DIR} ${DIR}/libclc \
     -DCMAKE_CLC_COMPILER=clang \
@@ -220,9 +221,14 @@ test_rodinia() {
 
 # TODO : More test cases of the pocl will be added
 test_pocl() {
-   cd ${POCL_BUILD_DIR}/examples
-   ./vecadd/vecadd
-   ./matadd/matadd
+   cd "${POCL_BUILD_DIR}/examples/vecadd"
+   mkdir -p test_vecadd
+   cd test_vecadd
+   ../vecadd 
+   cd "${POCL_BUILD_DIR}/examples/matadd"
+   mkdir -p test_matadd
+   cd test_matadd
+   ../matadd
 }
 
 # Export needed path and enviroment variables
@@ -270,7 +276,17 @@ check_if_ocl_icd_built() {
   fi
 }
 
-# Process build options
+#In full compilation mode
+if [ "$ORIG_ARGC" -eq 0 ]; then
+  for dir in "${VENTUS_BUILD_DIR}" "${LIBCLC_BUILD_DIR}" "${POCL_BUILD_DIR}" "${DRIVER_BUILD_DIR}" "${SPIKE_BUILD_DIR}" "${OCL_ICD_BUILD_DIR}" "${VENTUS_INSTALL_PREFIX}"; do
+    if [ -d "$dir" ]; then
+      rm -rf "$dir"
+    fi
+    mkdir -p "$dir"
+  done
+fi
+
+#In incremental compilation mode, process build options
 for program in "${PROGRAMS_TOBUILD[@]}"
 do
   if [ "${program}" == "llvm" ];then