Hello Frank, Andrew, I am glad a solution was found. I am surprised any change is needed to the code though. I booted up Ubuntu 12.04 x64 in a virtual machine, the only extra packages I installed were ROOT and some of the packages required to compile ROOT. The LCIO library compiled without a hitch using the following: cmake 2.8.7 gcc/g++ 4.6.3 root 5.34.05 Best, Maurik On Apr 4, 2013, at 6:46 AM, [log in to unmask] wrote: > Hi Frank, > > I was able to build LCIO with the libraries after adding the header file > you suggested. > > Thanks again everyone, > > Andrew > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the HPS-SOFTWARE list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1