AC_ARG_ENABLE returns its value in enableval not withval.  --disable-rpath 
was not working - or dependent on some previous setting...



https://github.com/krb5/krb5/commit/24129ce65f29b02ded234cf2a068b1bbc754698c
Commit By: epeisach
Revision: 21968
Changed Files:
U   trunk/src/aclocal.m4