diff --git a/CMakeLists.txt b/CMakeLists.txt
index b6173fb2..5c0869b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ IF(CMAKE_COMPILER_IS_GNUCXX)
     SET(CXX_WARNS "-Wall -Wextra -Werror -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-unused-variable -Wno-switch")
     SET(CMAKE_CXX_FLAGS "-std=gnu++0x -pipe ${CXX_WARNS}")
     SET(CMAKE_CXX_FLAGS_DEBUG "-O0 -g3 -ggdb3 -fno-inline")
-    SET(CMAKE_CXX_FLAGS_RELEASE "-O2 -rdynamic")
+    SET(CMAKE_CXX_FLAGS_RELEASE "-O2")
     SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O1 -g -fno-inline")
 ENDIF(CMAKE_COMPILER_IS_GNUCXX)
 
@@ -178,6 +178,7 @@ IF(WIN32)
                        -o ${CMAKE_CURRENT_BINARY_DIR}/icon.o)
     SET(SOURCES ${SOURCES} icon.o)
 ELSE(WIN32)
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -rdynamic")
     SET(ADDITIONAL_LIBRARIES -lpthread)
     SET(SOURCES ${SOURCES} src/framework/platform/x11platform.cpp)
 ENDIF(WIN32)
diff --git a/src/framework/graphics/texture.cpp b/src/framework/graphics/texture.cpp
index 22726d99..a6065b9f 100644
--- a/src/framework/graphics/texture.cpp
+++ b/src/framework/graphics/texture.cpp
@@ -73,7 +73,7 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
     std::vector<uint8> tmp;
 
     // old opengl drivers only accept power of two dimensions
-    if(!g_graphics.isExtensionSupported("GL_ARB_texture_non_power_of_two")) {
+    //if(!g_graphics.isExtensionSupported("GL_ARB_texture_non_power_of_two")) {
         int glWidth = 1;
         while(glWidth < width)
             glWidth = glWidth << 1;
@@ -92,8 +92,8 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
         }
 
         m_glSize.setSize(glWidth, glHeight);
-    } else
-        m_glSize = m_size;
+    //} else
+    //    m_glSize = m_size;
 
     // detect pixels GL format
     GLenum format = 0;
diff --git a/src/framework/luascript/luafunctions.cpp b/src/framework/luascript/luafunctions.cpp
index 9eaed458..6a7d321b 100644
--- a/src/framework/luascript/luafunctions.cpp
+++ b/src/framework/luascript/luafunctions.cpp
@@ -92,6 +92,7 @@ void LuaInterface::registerFunctions()
     g_lua.bindClassMemberFunction<UIWidget>("getFocusedChild", &UIWidget::getFocusedChild);
     g_lua.bindClassMemberFunction<UIWidget>("insertChild", &UIWidget::insertChild);
     g_lua.bindClassMemberFunction<UIWidget>("removeChild", &UIWidget::removeChild);
+    g_lua.bindClassMemberFunction<UIWidget>("hasChild", &UIWidget::hasChild);
     g_lua.bindClassMemberFunction<UIWidget>("addChild", &UIWidget::addChild);
     g_lua.bindClassMemberFunction<UIWidget>("focusChild", &UIWidget::focusChild);
     g_lua.bindClassMemberFunction<UIWidget>("focusNextChild", &UIWidget::focusNextChild);
diff --git a/src/framework/platform/x11platform.cpp b/src/framework/platform/x11platform.cpp
index 258e55eb..b375587b 100644
--- a/src/framework/platform/x11platform.cpp
+++ b/src/framework/platform/x11platform.cpp
@@ -620,7 +620,7 @@ bool Platform::createWindow(int x, int y, int width, int height, int minWidth, i
         logFatal("RGBA/Double buffered visual not supported");
 
     // create GLX context
-    x11.glxContext = glXCreateContext(x11.display, x11.visual, NULL, False);
+    x11.glxContext = glXCreateContext(x11.display, x11.visual, NULL, True);
     if(!x11.glxContext)
         logFatal("Unable to create GLX context");