Adds validate kit to toolchain

Change-Id: I5f10509698a8badafeee2295a16e3c2eb9b20fa7
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/projectexplorer/kitinformation.cpp

@@ -162,9 +162,13 @@ QVariant ToolChainKitInformation::defaultValue(Kit *k) const
 QList<Task> ToolChainKitInformation::validate(const Kit *k) const
 {
     QList<Task> result;
-    if (!toolChain(k)) {
+
+    const ToolChain* toolchain = toolChain(k);
+    if (!toolchain) {
         result << Task(Task::Error, ToolChainKitInformation::msgNoToolChainInTarget(),
                        Utils::FileName(), -1, Core::Id(Constants::TASK_CATEGORY_BUILDSYSTEM));
+    } else {
+        result << toolchain->validateKit(k);
     }
     return result;
 }

src/plugins/projectexplorer/toolchain.cpp

@@ -31,6 +31,7 @@
 
 #include "abi.h"
 #include "toolchainmanager.h"
+#include "task.h"
 
 #include <extensionsystem/pluginmanager.h>
 #include <utils/environment.h>
@@ -190,6 +191,15 @@ bool ToolChain::fromMap(const QVariantMap &data)
     return true;
 }
 
+/*!
+    \brief Used by the toolchainkitinformation to validate the kit.
+*/
+
+QList<Task> ToolChain::validateKit(const Kit */*k*/) const
+{
+    return QList<Task>();
+}
+
 /*!
     \class ProjectExplorer::ToolChainFactory
     \brief Creates toolchains from settings or autodetects them.

src/plugins/projectexplorer/toolchain.h

@@ -55,6 +55,8 @@ class IOutputParser;
 class ToolChainConfigWidget;
 class ToolChainFactory;
 class ToolChainManager;
+class Task;
+class Kit;
 
 // --------------------------------------------------------------------------
 // ToolChain (documentation inside)
@@ -104,7 +106,7 @@ public:
     // Used by the toolchainmanager to save user-generated tool chains.
     // Make sure to call this method when deriving!
     virtual QVariantMap toMap() const;
-
+    virtual QList<Task> validateKit(const Kit *k) const;
 protected:
     ToolChain(const QString &id, bool autoDetect);
     explicit ToolChain(const ToolChain &);