math/ggobi does not build, if graphics/graphviz installed

Rainer Hurling rhurlin at
Wed Apr 24 17:38:13 UTC 2013

Oops, sorry for answering myself. But the typo gremlin appeared.

On 23.04.2013 18:38 (UTC+2), Rainer Hurling wrote:
> Dear developers,
> I am the maintainer of math/ggobi and I could need some help for a
> longstanding problem with the build of ggobi (not seen by tinderbox):
> With graphics/graphviz installed, math/ggobi finds this external
> installation by its configure script in plugins/GraphLayout. Then it
> tries to use it instead of its internal graphviz version and fails when
> trying to build the port.

The configure also sets HAVE_LIBGVC=1.

> The diff between graphics/graphviz/Makefile with/without external

> graphviz found is like this (the first version does not build):
> 158,159c158,159
> < LIBGVC_CFLAGS = -I/usr/local/include/graphviz
> < LIBGVC_LIBS = -L/usr/local/lib/graphviz -lgvc -lgraph -lcdt
> ---
> I am looking for either an elegant way to forbid this configure script
> to use the external graphviz or to use the external graphviz correctly,
> when installed.
> If this would be possible, an option in the ports Makefile could switch
> between them (and install external graphviz, if wanted).
> Could someone with more experience be so kind to push me in the right
> direction, please.
> Many thanks in advance,
> Rainer Hurling

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