--- configure
+++ configure
@@ -1029,6 +1029,7 @@
       # instead of lib<name>.a to let people know that these are not
       # typical AIX shared libraries.
       library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
+      soname_spec='${libname}${release}${shared_ext}$major(shr.o)'
     else
       # We preserve .a as extension for shared libraries through AIX4.2
       # and later when we are not doing run time linking.