diff -up openmpi-1.6.4/configure.ppc64le openmpi-1.6.4/configure
--- openmpi-1.6.4/configure.ppc64le	2014-09-09 09:33:10.960054144 +0000
+++ openmpi-1.6.4/configure	2014-09-09 09:34:37.930058864 +0000
@@ -27239,7 +27239,7 @@ _ACEOF
             OMPI_GCC_INLINE_ASSIGN='"or %0,$0,$0" : "=&r"(ret)'
             ;;
 
-        powerpc-*|powerpc64-*)
+        powerpc-*|powerpc64-*|powerpc64le-*)
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking if PowerPC registers have r prefix" >&5
 $as_echo_n "checking if PowerPC registers have r prefix... " >&6; }
@@ -79533,7 +79533,7 @@ $as_echo "$compile_mode" >&6; }
 
 
    case "${host}" in
-   i?86-*linux*|x86_64*linux*|ia64-*linux*|powerpc-*linux*|powerpc64-*linux*|sparc*-*linux*)
+   i?86-*linux*|x86_64*linux*|ia64-*linux*|powerpc-*linux*|powerpc64-*linux*|powerpc64le-*linux*|sparc*-*linux*)
               if test -r "/proc/cpuinfo"; then :
   pstat_linux_happy="yes"
 else
@@ -85999,7 +85999,7 @@ fi
 fi
 
    case "${host}" in
-   i?86-*linux*|x86_64*linux*|ia64-*linux*|powerpc-*linux*|powerpc64-*linux*|sparc*-*linux*)
+   i?86-*linux*|x86_64*linux*|ia64-*linux*|powerpc-*linux*|powerpc64-*linux*|powerpc64le-*linux*|sparc*-*linux*)
         if test "$timer_linux_happy" = "yes"; then :
   if test -r "/proc/cpuinfo"; then :
   timer_linux_happy="yes"