Re: Building Both Regular and Profiling Libraries

2002-10-10 Thread Ketil Z. Malde

Ashley Yakeley [EMAIL PROTECTED] writes:

 I did notice that for -osuf you seem to need the '.' but for -hisuf you 
 don't...

Weird, I've never seen that behavior (GHC 5.02 and 5.04, x86-Linux and
Sparc-Solaris).  I just checked with 5.04 on my Linux box, and 5.02 on
a Sun, just to make sure.

What system and compiler version are you using?

-kzm
-- 
If I haven't seen further, it is by standing in the footprints of giants
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Re: Building Both Regular and Profiling Libraries

2002-10-10 Thread Ashley Yakeley

At 2002-10-10 01:23, Ketil Z. Malde wrote:

Ashley Yakeley [EMAIL PROTECTED] writes:

 I did notice that for -osuf you seem to need the '.' but for -hisuf you 
 don't...

Weird, I've never seen that behavior (GHC 5.02 and 5.04, x86-Linux and
Sparc-Solaris).  I just checked with 5.04 on my Linux box, and 5.02 on
a Sun, just to make sure.

What system and compiler version are you using?

My mistake, I'm using -o, which overrides -osuf...

-- 
Ashley Yakeley, Seattle WA

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ghc --make and static libraries

2002-10-10 Thread Martin Norbäck

How do I go about linking to a static library when using --make?

If i do

ghc --make Module libmodulelib.a

then ghc syas:

chasing modules from Module,libmodulelib.a and complains about not being
able to find the _module_ modulelib.a. Likewise on windows, if I do

ghc --make Module modulelib.dll

it also complains about not finding the _module_ modulelib.dll.

If I specify the object files that makes up modulelib then there are no
complaints, likewise, if I link without --make, ghc uses the library
just fine.

Is this the intended behaviour, and if it is, how do I go about linking
with libraries when using --make?

Regards,

Martin



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RE: ObjectIO Library

2002-10-10 Thread Simon Peyton-Jones









I have the information that
The
library ObjectIO is included in the ghc.5.0.4
version, unfortunately I download the msi
file for windows
(ghc-5-04-1.msi) and the library does not
appear in the imports directory after the installation. 
Have I the wrong information? Do I need to
download another msi ? How can I use objectIO with version 5.04.1? 



The message below is the
most recent I know about for ObjectIO. Its not yet included as a
standard part of the GHC distribution, though I hope it will become so in due
course.

Simon



-Original Message-
From: Krasimir Angelov [mailto:[EMAIL PROTECTED]] 
Sent: 04 September 2002 19:01
To: haskell
Cc: [EMAIL PROTECTED]
Subject: ANN: ObjectIO update
for GHC-5.04




Hi, Haskellers




An update is available for ObjectIO for GHC-5.04.

Just
extract the package over the GHC directory to

update
the library. 



More
information:

http://haskell.cs.yale.edu/ObjectIO



This
is the package:

http://haskell.cs.yale.edu/ObjectIO/ObjectIO_update.zip



Krasimir












Re: ghc --make and static libraries (SOLUTION)

2002-10-10 Thread Martin Norbäck

tor 2002-10-10 klockan 14.02 skrev Martin Norbäck:
 How do I go about linking to a static library when using --make?
 
 If i do
 
 ghc --make Module libmodulelib.a
 
 then ghc syas:
 
 chasing modules from Module,libmodulelib.a and complains about not being
 able to find the _module_ modulelib.a. Likewise on windows, if I do
 
 ghc --make Module modulelib.dll
 
 it also complains about not finding the _module_ modulelib.dll.
 
 If I specify the object files that makes up modulelib then there are no
 complaints, likewise, if I link without --make, ghc uses the library
 just fine.
 
 Is this the intended behaviour, and if it is, how do I go about linking
 with libraries when using --make?

Thanks for those who replied. I found a solution:

use -optllibmodulelib.a and -optmodulelib.dll and they will be ignored
and just passed on to the linker as they should be.

Regards,

Martin




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Re: ObjectIO Library

2002-10-10 Thread Sigbjorn Finne
Hi there,

leaving it out of the 5.04.1 installer was unintended, esp. since
5.04 had it included. I'll make sure it makes a re-appearance
in 5.04.2 (or whatever the next GHC release ends up being
named.)

--sigbjorn

- Original Message -
From: Alfonso
To: [EMAIL PROTECTED]
Sent: Tuesday, October 08, 2002 09:03
Subject: ObjectIO Library


Hello:
 I have the information that The  library ObjectIO is included in  the
ghc.5.0.4 version, unfortunately I download the msi file for windows
(ghc-5-04-1.msi) and the library does not appear in the imports directory
after the installation.
Have I the wrong information?  Do I need to download another msi ? How can I
use objectIO with version 5.04.1?
thank you
Alfonso



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non-termination during compilation

2002-10-10 Thread Christian Maeder

Hi,

the following example causes ghc to loop (or run rather long):

--- snip ---

data U = MkU (U - Bool)
 
russel :: U - Bool
russel u@(MkU p) = not $ p u

x :: Bool
x = russel (MkU russel)

--- snip ---

I think, a compiler should always terminate, shouldn't it!?

Compilation succeeds for russel $ MkU russel instead of russel (MkU
russel).
(Surely, x is bottom and therefore the example is senseless)

Regards Christian
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Re: brain explosion in polymorphic state monad

2002-10-10 Thread Hal Daume III

I'm not sure why it's doing that, but you can see (and fix!) the same
problem in a simpler case:

data Foo a = forall b . Foo a b

foo (Foo a _) f = 
let Foo _ b = f a
in  Foo a b

This causes the same error.  Presumably this has to do with the compiler
worrying about escaping variables or something.  I'm not sure.  There's a
workaround, though, which I bet will work in your case.  First we define:

refoo (Foo a _) (Foo _ b) = Foo a b

Then we redefine the foo function using this:

foo x@(Foo a _) f = refoo x (f a)

and we have a semantically identical, but now acceptable, function.

HTH

 - Hal

--
Hal Daume III

 Computer science is no more about computers| [EMAIL PROTECTED]
  than astronomy is about telescopes. -Dijkstra | www.isi.edu/~hdaume

On Thu, 10 Oct 2002, mathieu wrote:

 Hello,
 
 I am trying to define a polymorphic state monad using glasgow extensions and I got a 
brain explosion of ghc when i try to compile it.
 
 Here is the code :
 
 newtype StateT s m a = MkStateT (s - m (a, s))
 
 instance Monad m = Monad (StateT s m) where
   return x = MkStateT (\s - return (x, s))
   MkStateT m1 = k =
 MkStateT
 (\s0 - do (a, s1) - m1 s0
let MkStateT m2 = k a
m2 s1 )
 
 data Thread a = forall b . MkThread (StateT (Thread b) [] a)
 
 instance Monad Thread where
   return = MkThread . return
   MkThread p = k = MkThread ( do x - p
let MkThread p' = k x 
p' )
 
 I got this error :
My brain just exploded.
 I can't handle pattern bindings for existentially-quantified constructors.
 In the binding group
 MkThread p' = k x
 In the first argument of `MkThread', namely
 `(do
 x - p
 let MkThread p' = k x
 p')'
 In the definition of `=':
 MkThread (do
 x - p
 let MkThread p' = k x
 p')
 
 How can i define (=) for my thread monad ?
 
 Thanks in advance for any piece of advice,
 Mathieu
 
 -- 
 There are only 10 types of people in the world:
 Those who understand binary and those who don't.
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