以前のに 64bitをふまえた変更を加えただけ。
cd ~/package/imagemagick/
rm *
wget -r -nd 'ftp://ftp.nara.wide.ad.jp/pub/Linux/slackware/slackware64-current/source/xap/imagemagick/'
patch <../patches/imagemagick.noX.nolzma.nopango.norsvg.diff
sh imagemagick.SlackBuild
installpkg /tmp/imagemagick-6.7.7_10-x86_64-1.txz