[Haskell-cafe] [Haskell-community] technical thoughts on stack

[Christopher Allen]

Near as I can tell, it _is_ going to stderr just like you'd expect too

$ stack build > log_output
simple-library-0.1.0.0: unregistering (local file changes: src/Lib.hs)
simple-library-0.1.0.0: build
Preprocessing library simple-library-0.1.0.0...
[1 of 1] Compiling Lib              ( src/Lib.hs,
.stack-work/dist/x86_64-linux/Cabal-1.24.0.0/build/Lib.o )

/home/callen/work/simple-library/src/Lib.hs:7:3: warning: [-Wunused-do-bind]
    A do-notation statement discarded a result of type ‘[Char]’
    Suppress this warning by saying ‘_ <- return "hi"’
Preprocessing executable 'simple-library-exe' for simple-library-0.1.0.0...
simple-library-0.1.0.0: copy/register
Installing library in
/home/callen/work/simple-library/.stack-work/install/x86_64-linux/lts-7.0/8.0.1/lib/x86_64-linux-ghc-8.0.1/simple-library-0.1.0.0-IZ2irAKiR4w8tX3NVir98W
Installing executable(s) in
/home/callen/work/simple-library/.stack-work/install/x86_64-linux/lts-7.0/8.0.1/bin
Registering simple-library-0.1.0.0...
[ callen at pardalis ~/work/simple-library master ✗ ]
$ stack build 2>&1 > log_output

On Wed, Sep 14, 2016 at 2:21 PM, Christopher Allen <cma at bitemyapp.com> wrote:
> What are you talking about?
>
> $ stack build
> simple-library-0.1.0.0: unregistering (local file changes: src/Lib.hs)
> simple-library-0.1.0.0: build
> Preprocessing library simple-library-0.1.0.0...
> [1 of 1] Compiling Lib              ( src/Lib.hs,
> .stack-work/dist/x86_64-linux/Cabal-1.24.0.0/build/Lib.o )
>
> /home/callen/work/simple-library/src/Lib.hs:7:3: warning: [-Wunused-do-bind]
>     A do-notation statement discarded a result of type ‘[Char]’
>     Suppress this warning by saying ‘_ <- return "woot"’
> Preprocessing executable 'simple-library-exe' for simple-library-0.1.0.0...
>
> On Wed, Sep 14, 2016 at 2:10 PM, Patrick Pelletier
> <ppelleti at funwithsoftware.org> wrote:
>> On 9/14/16 10:47 AM, David Feuer wrote:
>>>
>>>
>>> While we're griping about stack: it seems to place compiler output from
>>> -ddump-... in mysterious places that are hard to find without Google, and
>>> (worse) it seems to do something with stack test output that even Google
>>> can't discover.
>>>
>>
>> Also, compiler warnings get squirreled away in a file that I have to go
>> hunting for.  It would be nice to have an option to print warnings (for
>> local packages, not dependencies) to stderr.
>>
>> --Patrick
>>
>>
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>> Haskell-community at haskell.org
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>
>
>
> --
> Chris Allen
> Currently working on http://haskellbook.com



-- 
Chris Allen
Currently working on http://haskellbook.com