Don't hardcode CXX to g++, CXXFLAGS to -O3 and a bunch of -f optimizations

This port is still broken, but no worse than before

audio/spiralloops/files/patch-Makefile.in

@@ -0,0 +1,18 @@
+--- Makefile.in.orig	Mon Apr 30 03:30:32 2001
++++ Makefile.in	Mon Apr 30 03:30:56 2001
+@@ -7,12 +7,10 @@
+ 
+ ####### Compiler, tools and options
+ 
+-CC	=	gcc
+-CXX	=	g++
+-CFLAGS	=	-pipe -Wall -O3 -ffast-math -DNO_DEBUG -Wno-unused -g
+-CXXFLAGS=	-pipe -Wall -O3 -ffast-math -DNO_DEBUG -Wno-unused -g
++CFLAGS	+=	-Wall -DNO_DEBUG -Wno-unused -g
++CXXFLAGS+=	-Wall -DNO_DEBUG -Wno-unused -g
+ INCPATH	=	-I/usr/X11R6/include
+-LINK	=	g++
++LINK	=	${CXX}
+ LFLAGS	=	
+ LIBS	=   -L/usr/X11R6/lib -lfltk -lGL -lXext -lX11 -lm 
+ MOC	=	moc