--- src/gn/args.cc.orig	2021-12-17 12:22:18 UTC
+++ src/gn/args.cc
@@ -360,7 +360,7 @@ void Args::SetSystemVarsLocked(Scope* dest) const {
     arch = kMips64;
   else if (os_arch == "s390x")
     arch = kS390X;
-  else if (os_arch == "ppc64" || os_arch == "ppc64le")
+  else if (os_arch == "ppc64" || os_arch == "ppc64le" || os_arch == "powerpc")
     // We handle the endianness inside //build/config/host_byteorder.gni.
     // This allows us to use the same toolchain as ppc64 BE
     // and specific flags are included using the host_byteorder logic.