CMake: Only offer kits with a cmake set up!

Change-Id: Icb4b539e009c9dc5bdf40f8d8b887bb65755b48b
Reviewed-by: Cristian Adam <cristian.adam@gmail.com>
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>
Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>

src/plugins/cmakeprojectmanager/cmakeproject.cpp

@@ -32,6 +32,7 @@
 
 #include "cmakebuildconfiguration.h"
 #include "cmakebuildstep.h"
+#include "cmakekitinformation.h"
 #include "cmakeprojectconstants.h"
 #include "cmakeprojectnodes.h"
 #include "cmakerunconfiguration.h"
@@ -389,6 +390,16 @@ bool CMakeProject::requiresTargetPanel() const
     return !targets().isEmpty();
 }
 
+bool CMakeProject::supportsKit(Kit *k, QString *errorMessage) const
+{
+    if (!CMakeKitInformation::cmakeTool(k)) {
+        if (errorMessage)
+            *errorMessage = tr("No cmake tool set.");
+        return false;
+    }
+    return true;
+}
+
 bool CMakeProject::isProjectFile(const FileName &fileName)
 {
     return m_watchedFiles.contains(fileName);

src/plugins/cmakeprojectmanager/cmakeproject.h

@@ -118,6 +118,8 @@ public:
 
     bool requiresTargetPanel() const override;
 
+    bool supportsKit(ProjectExplorer::Kit *k, QString *errorMessage = 0) const override;
+
 signals:
     /// emitted after parsing
     void buildTargetsChanged();