diff --git a/plugins/cmake/settings/cmakecachedelegate.cpp b/plugins/cmake/settings/cmakecachedelegate.cpp
--- a/plugins/cmake/settings/cmakecachedelegate.cpp
+++ b/plugins/cmake/settings/cmakecachedelegate.cpp
@@ -23,6 +23,7 @@
 
 #include <QLineEdit>
 #include <QCheckBox>
+#include <QComboBox>
 #include <KUrlRequester>
 #include <QUrl>
 
@@ -50,6 +51,19 @@
             connect(box, &QCheckBox::toggled, this, &CMakeCacheDelegate::checkboxToggled);
             ret = box;
         }
+        else if(type==QLatin1String("STRING"))
+        {
+            QModelIndex stringsIdx=index.sibling(index.row(), 5);
+            QString strings=typeIdx.model()->data(stringsIdx, Qt::DisplayRole).toString();
+            if (!strings.isEmpty()) {
+                QComboBox* comboBox = new QComboBox(parent);
+                comboBox->setEditable(true);
+                comboBox->addItems(strings.split(';'));
+                ret = comboBox;
+            } else {
+                ret=QItemDelegate::createEditor(parent, option, index);
+            }
+        }
         else if(type==QLatin1String("PATH") || type==QLatin1String("FILEPATH"))
         {
             KUrlRequester *r=new KUrlRequester(parent);
diff --git a/plugins/cmake/settings/cmakecachemodel.cpp b/plugins/cmake/settings/cmakecachemodel.cpp
--- a/plugins/cmake/settings/cmakecachemodel.cpp
+++ b/plugins/cmake/settings/cmakecachemodel.cpp
@@ -52,6 +52,7 @@
     labels.append(i18n("Value"));
     labels.append(i18n("Comment"));
     labels.append(i18n("Advanced"));
+    labels.append(i18n("Strings"));
     setHorizontalHeaderLabels(labels);
 
     QFile file(m_filePath.toLocalFile());
@@ -91,16 +92,20 @@
                 if(flag==QLatin1String("INTERNAL"))
                 {
                     m_internal.insert(name);
-                } else if(flag==QLatin1String("ADVANCED"))
+                } else if(flag==QLatin1String("ADVANCED") || flag==QLatin1String("STRINGS"))
                 {
                     if(variablePos.contains(name))
                     {
                         int pos=variablePos[name];
-                        QStandardItem *p = item(pos, 4);
+                        
+                        // if the flag is not ADVANCED, it's STRINGS.
+                        // The latter is stored in column 5
+                        int column = flag==QLatin1String("ADVANCED") ? 4 : 5;
+                        QStandardItem *p = item(pos, column);
                         if(!p)
                         {
                             p=new QStandardItem(value);
-                            setItem(pos, 4, p);
+                            setItem(pos, column, p);
                         }
                         else
                         {
@@ -118,7 +123,9 @@
                     lineItems[0]->setText(lineItems[0]->text()+'-'+flag);
                 }
                 insertRow(currentIdx, lineItems);
-                variablePos[name]=currentIdx;
+                if (!variablePos.contains(name)) {
+                    variablePos[name]=currentIdx;
+                }
                 currentIdx++;
                 currentComment.clear();
             }
diff --git a/plugins/cmake/settings/cmakepreferences.cpp b/plugins/cmake/settings/cmakepreferences.cpp
--- a/plugins/cmake/settings/cmakepreferences.cpp
+++ b/plugins/cmake/settings/cmakepreferences.cpp
@@ -197,6 +197,7 @@
     m_prefsUi->cacheList->hideColumn(1);
     m_prefsUi->cacheList->hideColumn(3);
     m_prefsUi->cacheList->hideColumn(4);
+    m_prefsUi->cacheList->hideColumn(5);
     m_prefsUi->cacheList->horizontalHeader()->resizeSection(0, 200);
 
     if( m_currentModel ) {