Mine

 ./autogen.sh --prefix =/home/sheethal_ntn/opt/gnome2 --enable-maintainer-mode  --enable-nss=yes --with-nss-includes=/usr/include/nss.h -- with-nss-libs=/usr/lib/--with-nspr-includes=/usr/include/nspr4 --with-nspr-libs=/usr/lib/ --with-openldap=yes --enable-ipv6=yes --enable-exchange=no





give this in one line make sure u don't make a mistake . :)