Win: Add comparison operator to MSVC and WinCE tool chain

The comparison operator on the abstractmsvctoolchain is not enough.

Change-Id: I5d8db422d4a996e561a25dc754a9eba151b75ff1
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/plugins/projectexplorer/msvctoolchain.cpp

@@ -648,6 +648,14 @@ QPair<Utils::FileName, Utils::FileName> MsvcToolChain::autoDetectCdbDebugger()
     return result;
 }
 
+bool MsvcToolChain::operator ==(const ToolChain &other) const
+{
+    if (!AbstractMsvcToolChain::operator ==(other))
+        return false;
+    const MsvcToolChain *msvcTc = static_cast<const MsvcToolChain *>(&other);
+    return m_varsBatArg == msvcTc->m_varsBatArg;
+}
+
 bool MsvcToolChainFactory::canRestore(const QVariantMap &data)
 {
     return idFromMap(data).startsWith(QLatin1String(Constants::MSVC_TOOLCHAIN_ID) + QLatin1Char(':'));

src/plugins/projectexplorer/msvctoolchain.h

@@ -74,6 +74,8 @@ public:
 
     static QPair<Utils::FileName, Utils::FileName> autoDetectCdbDebugger();
 
+    bool operator == (const ToolChain &) const;
+
 protected:
     Utils::Environment readEnvironmentSetting(Utils::Environment& env) const;
     QByteArray msvcPredefinedMacros(const Utils::Environment &env) const;

src/plugins/projectexplorer/wincetoolchain.cpp

@@ -461,6 +461,15 @@ bool WinCEToolChainFactory::canRestore(const QVariantMap &data)
     return idFromMap(data).startsWith(QLatin1String(Constants::WINCE_TOOLCHAIN_ID) + QLatin1Char(':'));
 }
 
+bool WinCEToolChain::operator ==(const ToolChain &other) const
+{
+    if (!AbstractMsvcToolChain::operator ==(other))
+        return false;
+
+    const WinCEToolChain *ceTc = static_cast<const WinCEToolChain *>(&other);
+    return m_ceVer == ceTc->m_ceVer;
+}
+
 ToolChain *WinCEToolChainFactory::restore(const QVariantMap &data)
 {
     return WinCEToolChain::readFromMap(data);

src/plugins/projectexplorer/wincetoolchain.h

@@ -76,6 +76,7 @@ public:
 
     static QString autoDetectCdbDebugger(QStringList *checkedDirectories = 0);
 
+    bool operator ==(const ToolChain &other) const;
 protected:
     Utils::Environment readEnvironmentSetting(Utils::Environment& env) const;