On Wed, 10 Jan 2018, Christopher Barnes wrote: > Hello, > > I am installing ROOT6.11.02 on an Ubuntu 16.04 machine (Ubuntu 16.04.2 LTS > (GNU/Linux 4.8.0-58-generic x86_64). When I try to compile a C++ macro > using this release of ROOT, I get the following error: In a Red Hat derived environment: # yum provides \*/libImt\* root-core seems to provide it, and it is in EPEL 7 Description : This package contains the core libraries used by ROOT: libCore, : libNew, libRint and libThread. https://root.cern.ch/ I do not see that headers are separately packaged: [root@centos-7 ~]# yum list root\* | wc 111 335 8543 [root@centos-7 ~]# yum list root\* | grep dev [root@centos-7 ~]# M Go Blue -- Russ herrold U Mich Law '79