Yes, you are right. After making a clean build, the build was finally successful. THanks @! <div class="gmail_quote">On Thu, Sep 20, 2012 at 10:55 PM, Stephan Bergmann <<a href="mailto:sbergman@redhat.com" target="_blank">sbergman@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On 09/20/2012 04:18 PM, LOH KOK HOE wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I was trying to make a clean build </blockquote> </div> Did you actually do "make clean"? offapi/com/sun/star/auth/SSOExceptions.idl was removed quite a while ago on master, so it looks to me like you still have some remains from on old build around. Stephan </blockquote></div>