add install.sh

install.sh

+# one click install script dune-mmdg
+echo " "
+echo " "
+echo "*********************************************************************************************"
+echo "(0/3) Checking all prerequistes. (git cmake gcc g++ paraview)"
+echo "*********************************************************************************************"
+
+# check some prerequistes
+for PRGRM in git cmake gcc g++ paraview; do
+    if ! [ -x "$(command -v $PRGRM)" ]; then
+        echo "Error: $PRGRM is not installed." >&2
+        exit 1
+    fi
+done
+
+# check gcc version for C++17 support
+currentver="$(gcc -dumpversion)"
+requiredver="7"
+if [ "$(printf '%s\n' "$requiredver" "$currentver" | sort -V | head -n1)" != "$requiredver" ]; then
+    echo "gcc greater than or equal to $requiredver is required!" >&2
+    exit 1
+fi
+
+if [ $? -ne 0 ]; then
+    echo "*********************************************************************************************"
+    echo "(0/3) An error occured while checking for prerequistes."
+    echo "*********************************************************************************************"
+    exit $?
+else
+    echo "*********************************************************************************************"
+    echo "(1/3) All prerequistes found."
+    echo "*********************************************************************************************"
+fi
+
+echo " "
+echo " "
+
+echo "*********************************************************************************************"
+echo "(1/3) Cloning repositories. This may take a while. Make sure to be connected to the internet."
+echo "*********************************************************************************************"
+
+# the core modules
+for MOD in common geometry grid istl; do
+  if [ ! -d "dune-$MOD" ]; then
+    git clone https://gitlab.dune-project.org/core/dune-$MOD.git
+  else
+    echo "Skip cloning dune-$MOD because the folder already exists."
+  fi
+done
+
+# dune-mmesh
+if [ ! -d "dune-mmesh" ]; then
+  git clone https://gitlab.dune-project.org/samuel.burbulla/dune-mmesh
+else
+  echo "Skip cloning dune-mmesh because the folder already exists."
+fi
+
+# dune-mmdg
+if [ ! -d "dune-mmdg" ]; then
+  git clone https://gitlab.mathematik.uni-stuttgart.de/hoerlmn/dune-mmdg
+else
+  echo "Skip cloning dune-mmdg because the folder already exists."
+fi
+
+if [ $? -ne 0 ]; then
+    echo "*********************************************************************************************"
+    echo "(1/3) Failed to clone the repositories. Look for repository specific errors."
+    echo "*********************************************************************************************"
+    exit $?
+else
+    echo "*********************************************************************************************"
+    echo "(2/3) All repositories have been cloned into a containing folder."
+    echo "*********************************************************************************************"
+fi
+
+echo " "
+echo " "
+
+echo "**************************************************************************************************"
+echo "(2/3) Configure and build dune modules using dunecontrol. This may take several minutes."
+echo "**************************************************************************************************"
+
+# run dunecontrol
+./dune-common/bin/dunecontrol --opts=dune-mmdg/cmake.opts all
+
+if [ $? -ne 0 ]; then
+    echo "*********************************************************************************************"
+    echo "(2/3) Failed to build the dune libaries."
+    echo "*********************************************************************************************"
+    exit $?
+else
+    echo "*****************************************************************************************************"
+    echo "(3/3) Succesfully configured and built dune."
+    echo "      Go to dune-mmdg/README for further information."
+    echo "*****************************************************************************************************"
+fi