configure: WARNING: unrecognized options: --with-rootlibdir
configure: WARNING:
  You will not be able to create source packages with 'make dist'
  because gtk-doc >= 1.14 is not found.
configure: WARNING: unrecognized options: --with-rootlibdir
libtool: warning: remember to run 'libtool --finish /lib'
configure: WARNING: unrecognized options: --with-rootlibdir
configure: WARNING:
  You will not be able to create source packages with 'make dist'
  because gtk-doc >= 1.14 is not found.
configure: WARNING: unrecognized options: --with-rootlibdir
libtool: warning: remember to run 'libtool --finish /lib32'