postgresql-libpq
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lpsmith
Improve Installation Message on Ubuntu
When I install something that uses postgresql-libpq and get the following message:
You need to install postgresql-server-dev-X.Y for building a
server-side extension or libpq-dev for building a client-side application.
It'd be nice to include some text pointing someone at apt-get to avoid confusion between installing OS packages and cabal packages.
Honestly, I'm not even sure where that message is coming from, it's not coming from postgresql-libpq or cabal. It has to be some trick Ubuntu is pulling when GHC/Cabal's build process is running CPP and trying to include the non-existent libpq headers.
So, I don't think it's really all that fixable, other than doing a apt-get install libpq-dev or the like. Though there should be some installation instructions included in the .cabal Description field.
Well, I'll definitely try to work on the installation instructions soon, which should help.
Since Hackage is a bit funky in the way that the description field is rendered, I'm thinking of just having the instructions as the README.md on github with a link in the description field. Which is not as good, but still a big step in the right direction...
Alternatively, if you track down how Ubuntu is generating that message, you might suggest this sort of improvement there...