Hi Matus, I tried ot out, but it too didn't help ! Do we have another approach? Thanks Regards Prashant <div class="gmail_quote">On Fri, Mar 1, 2013 at 3:30 PM, Matúš Kukan <<a href="mailto:matus.kukan@gmail.com" target="_blank">matus.kukan@gmail.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 1 March 2013 10:51, Prashant Pandey <<a href="mailto:prashant3.yishu@gmail.com">prashant3.yishu@gmail.com</a>> wrote: > Hi Noel, > > ps aux show the following results: > </div><div class="im">> elixir 32147 0.0 0.0 13400 1748 pts/0 S+ 14:49 0:00 bash -c cd > /home/elixir/lo/postprocess && unset MAKEFLAGS && \??/home/elixir/lo/solen > elixir 32148 0.0 0.2 40152 9684 pts/0 S+ 14:49 0:00 perl -S > /home/elixir/lo/solenv/bin/<a href="http://build.pl" target="_blank">build.pl</a> -P4 --all -- -P4 > elixir 32154 0.0 0.2 40152 8136 pts/0 S+ 14:49 0:00 perl -S > /home/elixir/lo/solenv/bin/<a href="http://build.pl" target="_blank">build.pl</a> -P4 --all -- -P4 > elixir 32155 1.3 7.6 304184 295196 pts/0 S+ 14:49 0:23 make -f > Makefile -j4 -rs all slowcheck </div>So you were building still with <a href="http://build.pl" target="_blank">build.pl</a> - it can happen - just kill the process, pull and run make again. There will be no more perl controlling the build. HTH, Matus </blockquote></div>