The version of gcc is: gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu4) <div class="gmail_quote">2011/7/27 Christophe Fergeau <<a href="mailto:cfergeau@redhat.com">cfergeau@redhat.com</a>> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hi, <div class="im"> On Wed, Jul 27, 2011 at 11:09:01AM +0200, Andrea Celestino wrote: > I have downloaded from git the spice code, the spice protocol and pixman. I > have installed pixman first then the protocol and finally the spice server > and client(with bulding instructions in the wiki page). When I compile spice > server and client I see a compiling error. > I do "configure" then "make" but the terminal show me: > > > CC glz_encoder_dictionary.lo > cc1: warnings being treated as errors > glz_encoder_dictionary.c: In function ‘glz_dictionary_pre_encode’: > glz_encoder_dictionary.c:488:22: error: ‘prev_seg_id’ may be used > uninitialized in this function </div>Looking at the code, prev_seg_id initialization is a bit convoluted, but I think this warning is a false positive. We could intialize it to 0 to make it disappear. What gcc version are you using? You can avoid the compilation failing on this warning by passing --disable-werror to configure/autogen.sh Christophe </blockquote></div>