michael@stroeder.com writes:

error while loading shared libraries: /home/michael/src/openldap/OPENLDAP_REL_ENG_2_4/openldap/libraries/libldap_r/.libs/libldap_r-2.4-releng.so.2: invalid ELF header

Hopefully a PEBKAC. Loading libraries built for another architecture, or something like that.