diff -Naur xzgv-0.9.1.orig/src/Makefile xzgv-0.9.1/src/Makefile
--- xzgv-0.9.1.orig/src/Makefile	2007-12-23 21:47:25.000000000 +0100
+++ xzgv-0.9.1/src/Makefile	2012-01-08 14:06:34.888056998 +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+=-lm `pkg-config --libs gtk+-2.0` `pkg-config --libs gdk-pixbuf-2.0` `pkg-config --libs x11`
 
 all: xzgv