--- a/src/Makefile.am	Thu Nov 12 21:22:30 2009 +0800
+++ b/src/Makefile.am	Thu Nov 12 21:24:31 2009 +0800
@@ -31,13 +31,17 @@
 libmbfly_la_SOURCES += X_supp.c
 endif
 
-if CAIRO_BACKEND
+if CAIRO_GRAPH_ENGINE
 libmbfly_la_SOURCES += graph_engine_cairo.c
 
 libmbfly_la_CPPFLAGS = @cairo_CFLAGS@ @pangocairo_CFLAGS@
 libmbfly_la_LDFLAGS = @cairo_LIBS@ @pangocairo_LIBS@
 endif
 
+if SKIA_GRAPH_ENGINE
+libmbfly_la_SOURCES += graph_engine_skia.c
+endif
+
 X_main_SOURCES = X_main.c
 X_main_LDADD = $(top_builddir)/src/libmbfly.la
 X_main_CPPFLAGS = @pangocairo_CFLAGS@ -I$(top_builddir)/include