[Haskell-cafe] building with stack, need some older versions for one library

[Yitzchak Gale]

If it's just one library, another technique is to add the specific
version of that library to `extra-deps` in `stack.yaml` rather than
changing the entire resolver.

On Wed, Jan 16, 2019 at 9:31 AM Li-yao Xia <lysxia at gmail.com> wrote:
>
> Stackage has the list of snapshots a package (all its versions) appears in.
>
> https://www.stackage.org/package/midi/snapshots
>
> 0.2.2 doesn't appear, but shouldn't 0.2.2.2 and 0.2.2.1 be compatible
> with it?
>
> Li-yao
>
> On 1/16/19 8:26 AM, Dennis Raddle wrote:
> > I'm assembling a large stack project from various places.
> >
> > I just did "stack new", using the default resolver, copied in most of my
> > code, and got it compiled.
> >
> > Except I'm stuck on one thing. I need to use the 'midi-0.2.2' library
> > (reads/writes MIDI files). Its depends on older versions of the same of
> > the core packages.
> >
> > What should I do now? Do I modify the LTS resolver to something older
> > and then type "stack build" again? How can I find an appropriate
> > resolver without hit-and-miss?
> >
> > Mike
> >
> >
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