<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/4.4.4"> </HEAD> <BODY> Le lundi 03 septembre 2012 à 18:51 +0530, kartik natarajan a écrit : <BLOCKQUOTE TYPE=CITE> The file compiles and during linking it throws this message and stops: I have played the verbose and the path for libz.so.1 seems to be included. How do I solve this apparent trivial problem? </BLOCKQUOTE> It looks like your build of gstreamer is not completely linked. Normally the library is link to libz in a way that you don't have to specify it to use the library. You can workaround this issue by adding -lz to build command. regards, Nicolas </BODY> </HTML>