[Agda] [ANNOUNCE] Agda 2.5.2

[Oleg Grenrus]

FYI: https://github.com/haskell/cabal/issues/3708

> New `tool-depend` goals to complement `build-tools`

> When you write |build-tools: alex|, Cabal checks that an executable of
this name is installed. It is jointly the responsibility of the package
manager, e.g., |cabal-install|, to arrange for an executable
named |alex| to be installed.

> In a recent commit (c0a4860
<https://github.com/haskell/cabal/commit/c0a4860202393882d2fd0f4de253c3af3a092fe2>)
we added a special case in cabal-install to handle "well known"
build-tools like alex and happy, building and installing them
automatically when they are requested in |build-tools|.

So the next major `cabal-install` release will fix this issue.

- Oleg

On 06.01.2017 15:10, Andrés Sicard-Ramírez wrote:
> On 6 January 2017 at 05:55, Kenichi Asai <asai at is.ocha.ac.jp> wrote:
>> Thus, I had to execute:
>>
>> cabal install alex
>> cabal install happy
>> cabal install cpphs
>>
>> before I could install Agda.  The same thing appears to be reported in
>> May last year.  You might want to write Agda's dependency on these three
>> packages, so that the simple "cabal install Agda" would succeed.
> The dependency in these programs is pointed out in Agda.cabal in the
> `build-tools` field but cabal doesn't install the programs in this
> field.
>
>
> --
> Andrés
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