Simplify Makefile.

Improvements made from looking at gentoo bug reports. https://bugs.gentoo.org/show_bug.cgi?id=247420

Makefile

@@ -1,23 +1,8 @@
-CC=g++
-CFLAGS=-Wall
-CURSES_LIBS=-lncurses
+LDLIBS=-lncurses
 
-ncurses: windows/windows.o braincurses.o 
-	${CC} ${CFLAGS} windows/windows.o braincurses.o ${CURSES_LIBS} -o braincurses 
-
-windows.o: windows.cpp
-	${CC} ${CFLAGS} -c windows/windows.cpp
-
-braincurses.o: braincurses.cpp
-	${CC} ${CFLAGS} -c braincurses.cpp
-
-install:
-	install -o root -g root braincurses /usr/local/bin/
-
-uninstall:
-	rm /usr/local/bin/braincurses
+braincurses: windows/windows.o braincurses.o 
+	$(LINK.cc) $^ $(LDLIBS) -o $@
 
 clean:
 	rm -f braincurses
-	rm -f *.o
-	rm -f curses/*.o
+	rm -f **/*.o