--- Makefile.in	2009-12-09 22:28:59.000000000 +0100

+++ Makefile.in.old	2010-05-14 20:37:03.000000000 +0200

@@ -43,7 +43,7 @@

 SDL_CFLAGS := @SDL_CFLAGS@

 SDL_LIBS := @SDL_LIBS@

-ldflags := $(SDL_LIBS) -lSDL_image -lSDL_mixer $(LDFLAGS)

+ldflags := $(SDL_LIBS) -lm -lSDL_image -lSDL_mixer $(LDFLAGS)

 cflags := -I. $(SDL_CFLAGS) $(paths) $(CFLAGS)

 my_objects := args.@OBJEXT@ dust.@OBJEXT@ file.@OBJEXT@ mt.@OBJEXT@ rocks.@OBJEXT@ score.@OBJEXT@ sprite.@OBJEXT@ sound.@OBJEXT@ autopilot.@OBJEXT@