diff -up xzgv-0.9.1/src/Makefile~ xzgv-0.9.1/src/Makefile
--- xzgv-0.9.1/src/Makefile~	2007-12-23 21:47:25.000000000 +0100
+++ xzgv-0.9.1/src/Makefile	2010-02-10 23:08:51.357237091 +0100
@@ -10,7 +10,7 @@
 include ../config.mk
 
 CFLAGS+=`pkg-config --cflags gtk+-2.0` `pkg-config --cflags gdk-pixbuf-2.0`
-LDFLAGS+=`pkg-config --libs gtk+-2.0` `pkg-config --libs gdk-pixbuf-2.0`
+LDFLAGS+=`pkg-config --libs gtk+-2.0` `pkg-config --libs gdk-pixbuf-2.0` -lX11 -lm
 
 all: xzgv