diff -up emerald-0.8.4/src/Makefile.am.linking emerald-0.8.4/src/Makefile.am
--- emerald-0.8.4/src/Makefile.am.linking	2009-10-14 09:56:23.000000000 +0900
+++ emerald-0.8.4/src/Makefile.am	2010-05-01 22:43:07.392860051 +0900
@@ -1,5 +1,5 @@
 ## Process this file with automake to produce Makefile.in
-emerald_LDADD   = @EMERALD_LIBS@ $(top_builddir)/libengine/libemeraldengine.la
+emerald_LDADD   = @EMERALD_LIBS@ $(top_builddir)/libengine/libemeraldengine.la -ldl -lm
 emerald_SOURCES = main.c \
 			   engine_loader.c
 emerald_program = emerald
diff -up emerald-0.8.4/src/Makefile.in.linking emerald-0.8.4/src/Makefile.in
--- emerald-0.8.4/src/Makefile.in.linking	2009-10-14 09:56:36.000000000 +0900
+++ emerald-0.8.4/src/Makefile.in	2010-05-01 22:43:17.937857140 +0900
@@ -208,7 +208,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-emerald_LDADD = @EMERALD_LIBS@ $(top_builddir)/libengine/libemeraldengine.la
+emerald_LDADD = @EMERALD_LIBS@ $(top_builddir)/libengine/libemeraldengine.la -ldl -lm
 emerald_SOURCES = main.c \
 			   engine_loader.c