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Today's Topics:
1. Re: getting cabal to work under windows 8 (Nathan H?sken)
2. Detect system language (Nathan H?sken)
3. Haskell exectuable size (Nathan H?sken)
4. Re: Haskell exectuable size (Henk-Jan van Tuyl)
5. Re: Haskell exectuable size (Dmitry Vyal)
----------------------------------------------------------------------
Message: 1
Date: Tue, 03 Sep 2013 12:32:46 +0200
From: Nathan H?sken <[email protected]>
To: [email protected]
Subject: Re: [Haskell-beginners] getting cabal to work under windows 8
Message-ID: <[email protected]>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
Hey,
I ended up installing haskell-platform for windows under ubuntu using
wine. It works like it charm, but it still would be nice to get it
running under real windows ...
Regards,
Nathan
On 09/03/2013 01:24 AM, Nathan H?sken wrote:
> Hey,
>
> Unfortantly same result:
>
> cabal install semigroup
> cabal.exe:
>
> I also tried zlib (which is already installed), same result.
>
> Any remaining Ideas?
>
> Thanks!
> Nathan
>
>
> Am 9/2/2013 8:00 PM, schrieb Stephen Tetley:
>> Hi Nathan
>>
>> I think that looks like a positive step.
>>
>> What happens if you try to cabal install one of netwires dependencies
>> - e.g "semigroups" which doesn't have so many dependencies itself.
>>
>> Again I'm fishing for an answer, but if semigroups installs that
>> would indicate that `cabal install` is working.
>>
>>
>>
>> _______________________________________________
>> Beginners mailing list
>> [email protected]
>> http://www.haskell.org/mailman/listinfo/beginners
>
>
>
> _______________________________________________
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Message: 2
Date: Tue, 03 Sep 2013 12:41:15 +0200
From: Nathan H?sken <[email protected]>
To: Haskell Beginners Mailinglist <[email protected]>
Subject: [Haskell-beginners] Detect system language
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hey,
Is there a cross plarform way to detect the system language during runtime?
Seems like something simple, but my googling failed.
Regards,
Nathan
------------------------------
Message: 3
Date: Tue, 03 Sep 2013 12:45:34 +0200
From: Nathan H?sken <[email protected]>
To: Haskell Beginners Mailinglist <[email protected]>
Subject: [Haskell-beginners] Haskell exectuable size
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hey,
I have written a small wxHaskell application. Since wxWidgets seems to
be required to be linked dynamicly, I have to add the wxWidgets dlls.
Those make a total of about 25MB, wow.
Now the compiled exe (compiled with ghc -O2) has size 15MB.
In total I am at about 50Mb, which is just to much.
Why is the exe so big?
Has anyone a suggestion on how to reduce the total size?
Thanks!
Nathan
------------------------------
Message: 4
Date: Tue, 03 Sep 2013 13:48:17 +0200
From: "Henk-Jan van Tuyl" <[email protected]>
To: "Haskell Beginners Mailinglist" <[email protected]>, Nathan
H?sken <[email protected]>
Subject: Re: [Haskell-beginners] Haskell exectuable size
Message-ID: <[email protected]>
Content-Type: text/plain; charset=iso-8859-15; format=flowed;
delsp=yes
On Tue, 03 Sep 2013 12:45:34 +0200, Nathan H?sken
<[email protected]> wrote:
> Hey,
>
> I have written a small wxHaskell application. Since wxWidgets seems to
> be required to be linked dynamicly, I have to add the wxWidgets dlls.
> Those make a total of about 25MB, wow.
>
> Now the compiled exe (compiled with ghc -O2) has size 15MB.
> In total I am at about 50Mb, which is just to much.
>
> Why is the exe so big?
> Has anyone a suggestion on how to reduce the total size?
The compiled wxcore library (the raw wxWidgets interface) is about 11 MB.
You can reduce it by about 50%, by using the GHC option -optl-s (this
passes the option -s to the linker) to remove the debug data from the
executable. This works for all executables, not just wxHaskell users.
The size can further be reduced by running UPX[0], an executable
compression utility. UPX can also be used to compress DLLs.
Regards,
Henk-Jan van Tuyl
[0] http://upx.sourceforge.net/
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------------------------------
Message: 5
Date: Tue, 03 Sep 2013 15:53:12 +0400
From: Dmitry Vyal <[email protected]>
To: The Haskell-Beginners Mailing List - Discussion of primarily
beginner-level topics related to Haskell <[email protected]>
Subject: Re: [Haskell-beginners] Haskell exectuable size
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 09/03/2013 02:45 PM, Nathan H?sken wrote:
> I have written a small wxHaskell application. Since wxWidgets seems
to be required to be linked dynamicly, I have to add the wxWidgets dlls.
Those make a total of about 25MB, wow.
>
> Now the compiled exe (compiled with ghc -O2) has size 15MB.
> In total I am at about 50Mb, which is just to much.
>
> Why is the exe so big?
> Has anyone a suggestion on how to reduce the total size?
Bindings for large C libraries contain a great number of Haskell wrapper
functions for C functions. Looks like GHC is not terribly efficient in
terms of size of generated code. Your tiny application gets statically
linked with a huge haskell library which in turn dynamically linked with
C library doing the actual work.
In case you're having multiply haskell binaries using wxWidgets you can
use GHC's dynamic linking feature.
http://www.haskell.org/ghc/docs/7.6.3/html/users_guide/using-shared-libs.html.
This way actual binaries would be small but would have an additional
run-time dependency.
And my question. Does GHC try to exclude unused symbols from Haskell
libraries it links to application code?
Best wishes,
Dmitry
------------------------------
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