install failed on centos.

[liaozhaoyan]

swigging performance_features/workload.i to performance_features/workload_wrap.cpp
swig -python -c++ -o performance_features/workload_wrap.cpp performance_features/workload.i
performance_features/workload.h:33: Error: Syntax error in input(3).
error: command '/usr/bin/swig' failed with exit code 1