version up : xz 5.0.5.
build gdbm with '--enable-libgdbm-compat' to generate libgdbm_compat.so.
build python2.7 with our own libffi.
version up : SQLite 3.8.2.
version up : GNU DBM 1.11.
version up : pcre 8.34.
version up : cmake 2.8.12.1.
explicitly specify libdir to libffi/lib.

because on x86_64 opensuse libraries are installed under libffi/lib64.