On 05/15/2017 10:31 PM, Shu-Ju Tu wrote: > /dmlc-core/include/dmlc/./base.h:71: note: #pragma message: Will need > g++-4.6 or higher to compile allthe features in dmlc-core, compile > without c++0x, some features may be disabled This is the relevant error. The compiler in RHEL 6 is too old. ~tom