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simgrid: add graphviz dependency - #6220

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pearzt:simgrid-graphviz-dep
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simgrid: add graphviz dependency#6220
pearzt wants to merge 1 commit into
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pearzt:simgrid-graphviz-dep

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@pearzt

@pearzt pearzt commented Aug 25, 2026

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Simgrid's CMake setup looks for graphviz and then enables HAVE_GRAPHVIZ if it is found. For me, this lead to the simgrid build picking up the system's libgraph which was later "updated away", breaking the simgrid installation.

As proposed here, I think the easiest way to handle this behavior is to add an explicit dependency on graphviz, thus making the build more predictable and robust.

@spackbot-triage spackbot-triage Bot added dependencies Modifications with a `depends_on()` directive update-package Modifications to packages in the repository labels Aug 25, 2026
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spackbot-triage Bot requested a review from viniciusvgp August 25, 2026 14:34
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