Based on the way that libgomp wants to dynamically load the library, the library should use suffix .so.#n on AIX. AIX also needs the library linked with libpthread.
Bootstrapped on powerpc-ibm-aix7.1.0.0. Thanks, David PR libgomp/64635 * configure.tgt (*-*-aix*): Use standard posix plugin-suffix.h. Link with -lpthread. * config/aix/plugin-suffix.h: Delete. Index: configure.tgt =================================================================== --- configure.tgt (revision 220340) +++ configure.tgt (working copy) @@ -142,7 +142,8 @@ ;; *-*-aix*) - config_path="aix posix" + config_path="posix" + XLDFLAGS="${XLDFLAGS} -lpthread" ;; *)