--- src/Makefile.in.orig	2010-03-27 15:32:44.000000000 -0500
+++ src/Makefile.in	2010-03-27 15:35:52.000000000 -0500
@@ -221,7 +221,7 @@
 INCLUDES = $(all_includes)
 
 # the library search path.
-gnujump_LDFLAGS = $(all_libraries) 
+gnujump_LDFLAGS = $(all_libraries) -lm
 gnujump_SOURCES = \
 	game.h\
 	menu.h\