I've only tested locally, on a power8 box running Ubuntu 16.10, but everything (and earth) checks out. Let me know if more testing infrastructure is needed.
@@ -99,6 +99,9 @@ ifeq ($(CC_MACH),amd64)
ZT_ARCHITECTURE=2
ZT_USE_X64_ASM_SALSA2012=1
endif
+ifeq ($(CC_MACH),powerpc64le)
+ ZT_ARCHITECTURE=2
+endif
ifeq ($(CC_MACH),i386)
ZT_ARCHITECTURE=1