-if test "$HostArch_CPP" = "ia64"; then
-AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
+if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
+AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])