etc/setup_lxplus.sh: add if/else to check if bin/corry exists. If not print a...

etc/setup_lxplus.sh: add if/else to check if bin/corry exists. If not print a message that corry needs to be compiled

etc/setup_lxplus.sh

@@ -9,6 +9,14 @@ ABSOLUTE_PATH=`dirname $(readlink -f ${BASH_SOURCE[0]})`
 # Load default configuration
 source $ABSOLUTE_PATH/../.gitlab-ci.d/init_x86_64.sh
 
-# Add <path-to-corryvreckan> to PATH
-CORRY_PATH=$( cd "$ABSOLUTE_PATH/../bin" ; pwd -P )
-export PATH=$CORRY_PATH:$PATH
+# Check if corry executable exists
+if [ -f "$ABSOLUTE_PATH/../bin/corry" ]; then
+    # Add <path-to-corryvreckan> to PATH
+    CORRY_PATH=$( cd "$ABSOLUTE_PATH/../bin" ; pwd -P )
+    export PATH=$CORRY_PATH:$PATH
+else
+    echo "Could not find corry exectuable. Please complete the installation by executing:"
+    echo "$ mkdir build && cd build"
+    echo "$ cmake .."
+    echo "$ make install -j <number_of_cores>"
+fi