added a workaround for gcc 4.6 higher, fftw 3.3 or higher and root 5.30.03 or lower. The problem is rootcint which doesn't know __float128

src/external/libLFRelaxation/TLFRelaxation.h

@@ -39,6 +39,11 @@
 using namespace std;
 
 #include "PUserFcnBase.h"
+
+// the following ifdef is needed for GCC 4.6 or higher, fftw 3.3 or higher and root 5.30.03 or lower
+#ifdef __CINT__
+typedef struct { char a[7]; } __float128; // needed since cint doesn't know it
+#endif
 #include "fftw3.h"
 #include "BMWIntegrator.h"