POSTIN

/bin/sh

for libdir in /lib /usr/lib /usr/X11R6/lib; do
  libdir="$libdir"
  if ! grep -q "^$libdir\$" /etc/ld.so.conf; then
    case $libdir in
      /lib | /usr/lib )
        # skip default search library dirs
        # NOTE: don't skip since ldconfig doesn't handle biarch
        echo "$libdir" >> /etc/ld.so.conf
        ;;
      * )
        echo "$libdir" >> /etc/ld.so.conf
        ;;
    esac
  fi
done
/sbin/ldconfig

POSTUN

/bin/sh

if [ "$1" = "0" ]; then
  rm -f /etc/ld.so.conf.new
  grep -v "/usr/X11R6/lib" /etc/ld.so.conf > /etc/ld.so.conf.new
  mv -f /etc/ld.so.conf.new /etc/ld.so.conf
fi
/sbin/ldconfig