QT_DEF := -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB
QT_LIB := -L/usr/lib/x86_64-linux-gnu -lQtGui -lQtCore -lpthread
-LIB_x86_64 = ../contrib/lib/libSDL2-2.0.so.0 -lGL -lgmp $(QT_LIB)
+LIB_x86_64 = ../contrib/lib/libSDL2-2.0.so.0 -lGL -lmpfr -lgmp $(QT_LIB)
LIB_i386 = ../contrib/lib32/libSDL2-2.0.so.0 -lGL -lgmp
LIB_i686 = $(LIB_i386)