--- libbpg-0.9.6/Makefile
+++ libbpg-0.9.6/Makefile
@@ -179,7 +179,7 @@
 LIBS+=-lm -lpthread
 
 BPGDEC_LIBS:=-lpng $(LIBS)
-BPGENC_LIBS+=-lpng -ljpeg $(LIBS)
+BPGENC_LIBS+=-lpng -ljpeg -lnuma $(LIBS)
 BPGVIEW_LIBS:=-lSDL_image -lSDL $(LIBS)
 
 endif #!CONFIG_WIN32