diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..747c231
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+*~
+build/
+Build/
+BUILD/
+CMakeLists.txt.user*
diff --git a/Base/Testing/Cpp/voDataObjectTest.cpp b/Base/Testing/Cpp/voDataObjectTest.cpp
index 871dbfa..c7fe6bd 100644
--- a/Base/Testing/Cpp/voDataObjectTest.cpp
+++ b/Base/Testing/Cpp/voDataObjectTest.cpp
@@ -79,7 +79,8 @@ bool checkDataObjectType(const voDataObject& dataObject, const char* typeName)
     return false;
     }
 
-  if (!dataObject.data().canConvert<TYPE>())
+  QVariant temp = dataObject.data();
+  if (!temp.canConvert<TYPE>())
     {
     std::cerr << "Line " << __LINE__ << " - Problem with voDataObject::data()" << std::endl;
     return false;
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 187589f..66b3558 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -119,7 +119,7 @@ OPTION(WITH_COVERAGE "Enable/Disable coverage" OFF)
 # Check compiler version
 # 
 IF(CMAKE_COMPILER_IS_GNUCXX)
-  SET(REQUIRED_GNUCXX_VERSION "4.2.0")
+  SET(REQUIRED_GNUCXX_VERSION "4.0.0")
   ctkFunctionGetGccVersion(${CMAKE_CXX_COMPILER} GCC_VERSION)
   IF(${GCC_VERSION} VERSION_LESS ${REQUIRED_GNUCXX_VERSION})
     MESSAGE(FATAL_ERROR "Gcc >= ${REQUIRED_GNUCXX_VERSION} is required ! Your current version is ${GCC_VERSION}.")
diff --git a/SuperBuild.cmake b/SuperBuild.cmake
index aea4e37..a54b10a 100644
--- a/SuperBuild.cmake
+++ b/SuperBuild.cmake
@@ -65,7 +65,7 @@ endif()
 
 include(CMakeExternals/VTK.cmake)
 include(CMakeExternals/QtPropertyBrowser.cmake)
-include(CMakeExternals/VisomicsData.cmake)
+#include(CMakeExternals/VisomicsData.cmake)
 #include(CMakeExternals/CTK.cmake)
 
 #-----------------------------------------------------------------------------