fix build folder for clang

.gitlab-ci.yml

@@ -18,7 +18,7 @@ config:bionic:
   stage: configure
   script: 
       - "bash ci/scripts/config.sh $CI_PROJECT_DIR/build/gcc-8   $CI_PROJECT_DIR/install/gcc-8   gcc-8   g++-8     gfortran-8"
-      - "bash ci/scripts/config.sh $CI_PROJECT_DIR/build/clang-6 $CI_PROJECT_DIR/install/clang-8 clang-8 clang++-8 gfortran-8"
+      - "bash ci/scripts/config.sh $CI_PROJECT_DIR/build/clang-8 $CI_PROJECT_DIR/install/clang-8 clang-8 clang++-8 gfortran-8"
   dependencies:
     - env:bionic
   artifacts:

ci/scripts/build.sh

@@ -6,8 +6,13 @@ if [ $# -ne 4 ]; then
     exit 1
 fi
 
+
 BUILD_FOLDER="$1"
-mkdir -p $BUILD_FOLDER
+if [ ! -d "$BUILD_FOLDER" ]; then
+    echo "Folder $1 has not been generated by previous step."
+    exit 1
+fi 
+
 cd $BUILD_FOLDER
 if [ ! -f Makefile ]; then
     echo "The makefile has not been generated."