gistfile1.txt

wilfred:graphviz> pkg_info | grep graphviz
wilfred:graphviz> file /usr/local/lib/tcl8.5/graphviz/libgdtclft.a 
/usr/local/lib/tcl8.5/graphviz/libgdtclft.a: cannot open `/usr/local/lib/tcl8.5/graphviz/libgdtclft.a' (No such file or directory)
wilfred:graphviz> sudo pkg_add -i graphviz # install old version   
graphviz-2.28.0: ok
Look in /usr/local/share/doc/pkg-readmes for extra documentation.
wilfred:graphviz> file /usr/local/lib/tcl8.5/graphviz/libgdtclft.a 
/usr/local/lib/tcl8.5/graphviz/libgdtclft.a: current ar archive
wilfred:graphviz> make update                                      
===> Updating for graphviz-2.36.0
Upgrading from graphviz-2.28.0
Collision in graphviz-2.28.0->2.36.0: the following files already exist
        /usr/local/lib/tcl8.5/graphviz/libgdtclft.a from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libgdtclft.la from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libgv_tcl.so from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtcldot.a from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtcldot.la from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtcldot_builtin.a from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtcldot_builtin.la from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtclplan.a from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtclplan.la from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtkspline.a from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/libtkspline.la from graphviz-2.36.0 (different checksum)
        /usr/local/lib/tcl8.5/graphviz/pkgIndex.tcl from graphviz-2.36.0 (different checksum)
Couldn't find updates for graphviz-2.28.0
*** Error 1 in . (/usr/ports/infrastructure/mk/bsd.port.mk:1907 '/usr/ports/update/amd64/graphviz-2.36.0')
*** Error 1 in /usr/ports/mystuff/math/graphviz (/usr/ports/infrastructure/mk/bsd.port.mk:2406 'update')