setup-r-dependencies@v1 fails due to missing glpk.h header on Windows

[mihaiconstantin]

Describe the bug

My apologies if this is not the right place, but the job in check-standard.yml fails on Windows due to a missing header:

OE> igraph_glpk_support.h:36:10: fatal error: glpk.h: No such file or directory

Shouldn't this also be installed as part of r-lib/actions/setup-r@v1?

To Reproduce

The problem seems to be triggered by the installation of the igraph package which requires glpk. See this link for detailed logs.

Expected behavior
Successful installation of igraph R package during r-lib/actions/setup-r-dependencies@v1.

Additional context
I tested the above using devtools::check_win_release() and devtools::check_win_devel(), and glpk was in good order.

[jimhester]

No, windows system dependencies are not automatically installed by these workflows, only linux ones.

[riccardoporreca]

@mihaiconstantin, I have seen similar situations in the past: As you can see from the log, igraph is being installed from source https://github.com/mihaiconstantin/powerly/runs/4137867847?check_suite_focus=true#step:5:614

> * installing *source* package 'igraph' ... 

which requires glpk headers at compile-time, which is not necessary for a binary package.

This can happen during some couple of days after a new version lands on CRAN, for which Windows binaries are not available yet (on CRAN / RSPM). igraph 1.2.8 was indeed released on 2021-11-07.

Note sure there is any viable workaround, hope this still helps.

[jimhester]

An alternative would be installing GLPK in the meantime for your builds, e.g. choco install glpk

[mihaiconstantin]

Thanks a lot for clarifying this @riccardoporreca and @jimhester. Your explanations and suggestions make sense. I’ll go ahead and close this as I now understand it is not really an issue with the dependencies action.

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