DebuggingHelper: Log the toolchain that is used to debugging output

Change-Id: Ia78c2b1cad4135cf3325eb612ccc81d6c3c4fc67
Reviewed-on: http://codereview.qt.nokia.com/1945


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/qtsupport/debugginghelperbuildtask.cpp

@@ -98,6 +98,9 @@ DebuggingHelperBuildTask::DebuggingHelperBuildTask(const BaseQtVersion *version,
     ProjectExplorer::ToolChain *tc = tcList.at(0);
     tc->addToEnvironment(m_environment);
 
+    log(QCoreApplication::translate("QtVersion", "Building helper(s) with toolchain '%1' ...\n"
+                                    ).arg(tc->displayName()), QString());
+
     if (tc->targetAbi().os() == ProjectExplorer::Abi::LinuxOS
         && ProjectExplorer::Abi::hostAbi().os() == ProjectExplorer::Abi::WindowsOS)
         m_target = QLatin1String("-unix");