Vieri Make sure you set PTLIBDIR build environment variable and run ./configure Ie $ export PTLIBDIR= < ptlib directory > $ ./configure Simon -----Original Message----- From: h323plus-bounces@lists.packetizer.com [mailto:h323plus-bounces@lists.packetizer.com] On Behalf Of Vieri Sent: 12 February 2013 21:25 To: h323plus@lists.packetizer.com Subject: [h323plus] h323plus 1.25.0 compilation Hi, With version 1.25.0 I get the following error (did not appear in previous 1.23.0 version): [CC] h323.cxx In file included from include/h323con.h:44:0, from h323.cxx:37: include/openh323buildopts.h:37:34: fatal error: ptlib/../../revision.h: No such file or directory I suppose it's a packaging error as revision.h should only be used for the svn version? Removing that line in openh323buildopts.h should be enough. Thanks, Vieri