-[ -d $PROJECT_ROOT/build/Release ] && VARIANT=Release
-[ -d $PROJECT_ROOT/build/Debug ] && VARIANT=Debug
-[ -z "$VARIANT" ] && _exit "Cannot locate neither 'Release' nor 'Debug' variant !"
+[ ! -d $PROJECT_ROOT/build/${VARIANT} ] && _exit "Cannot locate neither '${VARIANT}' variant. Build the project !"
+echo "Variant: ${VARIANT}"
+echo