--- Makefile.old	2011-06-20 21:19:49.578922392 +0200
+++ Makefile	2011-06-20 21:20:28.535421648 +0200
@@ -39,14 +39,13 @@
 CFLAGS?=-O3 -pipe
 CFLAGS+=-Wall `$(SDL_CONFIG) --cflags` -DPLATFORM_PC -DVERSION=\"$(VERSION)\" \
 	-DPACKAGE_DATA_DIR=\"$(PACKAGE_DATA_DIR)\" $(FONT_USE_PIXMAP) $(MUSIC) $(DESIGNER)
-LDFLAGS=
 # Use these instead for debugging and/or profiling (mainly intended for GNU Robbo developers)
 #CFLAGS?=-O0 -pipe -g -pg
 #CFLAGS+=-Wall `$(SDL_CONFIG) --cflags` -DPLATFORM_PC -DVERSION=\"$(VERSION)\" \
 #	-DPACKAGE_DATA_DIR=\"$(PACKAGE_DATA_DIR)\" $(FONT_USE_PIXMAP) $(MUSIC) $(DESIGNER)
 #LDFLAGS=-pg
 LINK=$(CC)
-LIBS=`$(SDL_CONFIG) --libs` -lSDL_image -lSDL_mixer $(FONT_USE_SDL_TTF)
+LIBS=`$(SDL_CONFIG) --libs` -lSDL_image -lSDL_mixer $(FONT_USE_SDL_TTF) -lm
 
 # You won't need to alter anything below
 all: $(SOURCES) $(TARGET)