To get pidgin to work with Webex, you need to use the NSPR libs rather than
GNUTLS

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --mandir=/usr/man \
  --enable-dot=no \
  --disable-schemas-install \
  --enable-dbus \
  --enable-nss=no \
  --disable-vv \
  --enable-gtkspell \
  --enable-cyrus-sasl \
  --enable-perl \
  --disable-meanwhile \
  --disable-avahi \
  --disable-nm \
  --enable-nss=yes \
  --with-nspr-includes=/usr/include/seamonkey-2.0.6 \
  --with-nspr-libs=/usr/lib64/seamonkey-2.0.6/ \
  --with-nss-includes=/usr/include/seamonkey-2.0.6 --with-nss-libs=/usr/lib64/seamonkey-2.0.6/ \
  --program-prefix= \
  --program-suffix= \
  --build=$ARCH-slackware-linux$ARCHQUADLET || exit 1