Can't configure netperf 2.5.0 on IBM PowerPC

[Casey Leedom]

config.guess timestamp = 2005-08-03

uname -m = ppc64le
uname -r = 3.10.0-514.el7.ppc64le
uname -s = Linux
uname -v = #1 SMP Wed Oct 19 11:27:06 EDT 2016

/usr/bin/uname -p = ppc64le
/bin/uname -X     =

hostinfo               =
/bin/universe          =
/usr/bin/arch -k       =
/bin/arch              = ppc64le
/usr/bin/oslevel       =
/usr/convex/getsysinfo =

UNAME_MACHINE = ppc64le
UNAME_RELEASE = 3.10.0-514.el7.ppc64le
UNAME_SYSTEM  = Linux
UNAME_VERSION = #1 SMP Wed Oct 19 11:27:06 EDT 2016
configure: error: cannot guess build type; you must specify one