--- src/Makefile.am.orig 2010-03-26 22:54:53.000000000 -0500
+++ src/Makefile.am 2010-03-26 22:54:28.000000000 -0500
@@ -22,5 +22,5 @@
misc.c non_gui_defs.h \
load_save.c load_save.h non_gui_defs.h
-greyhounds_LDADD = @PACKAGE_LIBS@ $(INTLLIBS)
+greyhounds_LDADD = @PACKAGE_LIBS@ $(INTLLIBS) -lm