Better gcc flags for ARM

src/apps/Makefile

@@ -14,6 +14,9 @@ CXXFLAGS	= -O3 -I.. -Wall -Wno-sign-compare -Wno-array-bounds -Wno-unused-variab
 	g++ $(CXXFLAGS) -DGUI $< -lX11 -o $@  ||  \
 	g++ $(CXXFLAGS)       $<       -o $@
 
+EMBED_FLAGS=	-I.. -Wall -Wno-sign-compare -Wno-array-bounds -Wno-unused-variable  \
+		-Ofast -mfpu=neon -funsafe-math-optimizations -fsingle-precision-constant
+
 leandvb.embedded:	leandvb.cc $(DEPS)
-	g++ $(CXXFLAGS) $< -static -o $@  ||  \
-	g++ $(CXXFLAGS) $<         -o $@
+	g++ $(CXXFLAGS) $(EMBED_FLAGS) $< -static -o $@  ||  \
+	g++ $(CXXFLAGS) $(EMBED_FLAGS) $<         -o $@