GCC 4.6 compatibility: no delegating constructors in Math::BoolVector.

src/Math/BoolVector.h

@@ -20,6 +20,7 @@
  */
 
 #include <Utility/Debug.h>
+#include <corradeCompatibility.h>
 
 #include "Types.h"
 
@@ -75,7 +76,13 @@ template<std::size_t size> class BoolVector {
         #ifdef DOXYGEN_GENERATING_OUTPUT
         inline explicit BoolVector(T value);
         #else
+        #ifndef CORRADE_GCC46_COMPATIBILITY
         template<class T, class U = typename std::enable_if<std::is_same<bool, T>::value && size != 1, bool>::type> inline constexpr explicit BoolVector(T value): BoolVector(typename Implementation::GenerateSequence<DataSize>::Type(), value ? FullSegmentMask : 0) {}
+        #else
+        template<class T, class U = typename std::enable_if<std::is_same<bool, T>::value && size != 1, bool>::type> inline explicit BoolVector(T value) {
+            *this = BoolVector(typename Implementation::GenerateSequence<DataSize>::Type(), value ? FullSegmentMask : 0);
+        }
+        #endif
         #endif
 
         /** @brief Copy constructor */

src/Math/Test/BoolVectorTest.cpp

@@ -111,9 +111,11 @@ void BoolVectorTest::constExpressions() {
     constexpr BoolVector19 b(0xa5, 0x5f, 0x07);
     CORRADE_COMPARE(b, BoolVector19(0xa5, 0x5f, 0x07));
 
-    /* One-value constructor */
+    /* One-value constructor, not constexpr under GCC < 4.7 */
+    #ifndef CORRADE_GCC46_COMPATIBILITY
     constexpr BoolVector19 c(true);
     CORRADE_COMPARE(c, BoolVector19(0xff, 0xff, 0x07));
+    #endif
 
     /* Copy constructor */
     constexpr BoolVector19 d(b);