GCC 4.6 compatibility: no delegating constructors.

src/SceneGraph/AbstractFeature.h

@@ -180,7 +180,14 @@ template<UnsignedInt dimensions, class T> class MAGNUM_SCENEGRAPH_EXPORT Abstrac
         /* This is here to avoid ambiguity with deleted copy constructor when
            passing `*this` from class subclassing both AbstractFeature and
            AbstractObject */
-        template<class U, class = typename std::enable_if<std::is_base_of<AbstractObject<dimensions, T>, U>::value>::type> AbstractFeature(U& object): AbstractFeature(static_cast<AbstractObject<dimensions, T>&>(object)) {}
+        template<class U, class = typename std::enable_if<std::is_base_of<AbstractObject<dimensions, T>, U>::value>::type> AbstractFeature(U& object)
+        #ifndef CORRADE_GCC46_COMPATIBILITY
+        : AbstractFeature(static_cast<AbstractObject<dimensions, T>&>(object)) {}
+        #else
+        {
+            object.Containers::template LinkedList<AbstractFeature<dimensions, T>>::insert(this);
+        }
+        #endif
         #endif
 
         virtual ~AbstractFeature() = 0;

src/SceneGraph/Camera2D.h

@@ -71,7 +71,12 @@ template<class T> class MAGNUM_SCENEGRAPH_EXPORT BasicCamera2D: public AbstractC
         /* This is here to avoid ambiguity with deleted copy constructor when
            passing `*this` from class subclassing both BasicCamera2D and
            AbstractObject */
-        template<class U, class = typename std::enable_if<std::is_base_of<AbstractObject<2, T>, U>::value>::type> BasicCamera2D(U& object): BasicCamera2D(static_cast<AbstractObject<2, T>&>(object)) {}
+        template<class U, class = typename std::enable_if<std::is_base_of<AbstractObject<2, T>, U>::value>::type> BasicCamera2D(U& object):
+            #ifndef CORRADE_GCC46_COMPATIBILITY
+            BasicCamera2D(static_cast<AbstractObject<2, T>&>(object)) {}
+            #else
+            AbstractCamera<2, T>(static_cast<AbstractObject<2, T>&>(object)) {}
+            #endif
         #endif
 
         /**

src/SceneGraph/Camera3D.h

@@ -73,7 +73,12 @@ template<class T> class MAGNUM_SCENEGRAPH_EXPORT BasicCamera3D: public AbstractC
         /* This is here to avoid ambiguity with deleted copy constructor when
            passing `*this` from class subclassing both BasicCamera3D and
            AbstractObject */
-        template<class U, class = typename std::enable_if<std::is_base_of<AbstractObject<3, T>, U>::value>::type> BasicCamera3D(U& object): BasicCamera3D(static_cast<AbstractObject<3, T>&>(object)) {}
+        template<class U, class = typename std::enable_if<std::is_base_of<AbstractObject<3, T>, U>::value>::type> BasicCamera3D(U& object):
+            #ifndef CORRADE_GCC46_COMPATIBILITY
+            BasicCamera3D(static_cast<AbstractObject<3, T>&>(object)) {}
+            #else
+            AbstractCamera<3, T>(static_cast<AbstractObject<3, T>&>(object)) {}
+            #endif
         #endif
 
         /**

src/Test/ArrayTest.cpp

@@ -51,7 +51,11 @@ void ArrayTest::construct() {
     constexpr Array<3, Int> a = {5, 6, 7};
     CORRADE_COMPARE(a, (Array<3, Int>(5, 6, 7)));
 
+    #ifndef CORRADE_GCC46_COMPATIBILITY
     constexpr Array<3, Int> a2 = 5;
+    #else
+    Array<3, Int> a2 = 5; /* Not constexpr under GCC < 4.7 */
+    #endif
     CORRADE_COMPARE(a2, (Array<3, Int>(5, 5, 5)));
 
     constexpr Array1D b = 5;