--- pcmanfm-0.9.10/src/Makefile.in	2012-03-28 11:52:59.813738441 -0400
+++ pcmanfm-0.9.10/src/Makefile.in	2012-03-28 11:53:11.864990439 -0400
@@ -292,7 +292,7 @@
 	$(GMODULE_LIBS) \
 	$(FM_LIBS) \
 	$(MENU_CACHE_LIBS) \
-	$(NULL)
+	-lm $(NULL)
 
 xml_purge_SOURCES = xml-purge.c
 xml_purge_CFLAGS = $(GIO_CFLAGS)