Index: b/mpi/config.links
===================================================================
--- b/mpi/config.links
+++ b/mpi/config.links
@@ -44,7 +44,11 @@
 echo "/* Host: ${host} */" >>./mpi/asm-syntax.h
 
 case "${host}" in
-    powerpc-apple-darwin*          | \
+    powerpc-apple-darwin*)
+       echo '/* No working assembler modules available */' >>./mpi/asm-syntax.h
+       path=""
+       mpi_cpu_arch="ppc"
+       ;;
     i[34567]86*-*-openbsd[12]*     | \
     i[34567]86*-*-openbsd3.[0123]*)
        echo '/* No working assembler modules available */' >>./mpi/asm-syntax.h