diff -up ast-7.3.4/Makefile.in.libs ast-7.3.4/Makefile.in
--- ast-7.3.4/Makefile.in.libs	2014-03-07 09:49:54.701740554 -0700
+++ ast-7.3.4/Makefile.in	2014-03-07 09:50:33.242525031 -0700
@@ -276,7 +276,7 @@ libast_grf_5_6_la_LINK = $(LIBTOOL) $(AM
 	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
 	$(libast_grf_5_6_la_CFLAGS) $(CFLAGS) $(STAR_LDFLAGS) \
 	$(AM_LDFLAGS) $(LDFLAGS) -o $@
-libast_pal_la_LIBADD =
+libast_pal_la_LIBADD = -lm
 am__objects_6 = libast_pal_la-pal.lo
 am_libast_pal_la_OBJECTS = $(am__objects_6)
 libast_pal_la_OBJECTS = $(am_libast_pal_la_OBJECTS)