[opam-devel] more depopts fun: joolog/lwt/react

Roberto Di Cosmo roberto at dicosmo.org
Sat May 3 19:24:02 BST 2014

Thanks for reporting this... at first sight, it seems the
metadata you ended up choosing for joolog are the best
solution for this particular situation.

On Sat, May 03, 2014 at 11:40:25AM +0100, Anil Madhavapeddy wrote:
> Here's an interesting failure:
> - joolog.0.4 depends on react <1.0 and Lwt.react.
> - lwt-2.4.5 has a depopt on react >= 1.0, and anything less will result in Lwt.react not getting compiledin.
> Installing joolog causes react.0.9.4 and lwt.2.4.5 to get selected, which in
> turn causes lwt.react to not be installed and joolog.0.4 to error out.
> A better selection would be for joolog's react conflict to select lwt.2.4.4 (which works with react<1.00).
> For now I'm working around it via a joolog dependency on <lwt.2.4.5, but I thought I'd highlight this case for the ongoing depopt design work in OPAM 1.2.
> -anil
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