Hi,
In the "Building the Glasgow Functional Programming Tools Suite", chapter
12, Notes for building under Windows
(http://www.haskell.org/ghc/docs/6.2/html/building/winbuild.html), it is
said: "Install an executable Happy, from http://www.haskell.org/happy";. The
latest version of happy in its w
I was trying to build GHC in my Windows XP, using Cygwin, following the
steps in the building guide. I'm stuck in the following error when executing
"make" in fptools:
creating libgmp.la
(cd .libs && rm -f libgmp.la && ln -s ../libgmp.la libgmp.la)
make[6]: Leaving directory `/cygdrive/c/haskell/c
The following line:
foreign import shutdownHaskellAndExit :: Int -> IO ()
causes a compiler warning: foreign declaration uses deprecated non-standard
syntax
Which is the correct way to use a foreign declaration?
Thanks,
-- Andre
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While trying to install GHC-5.02.3 (win32 release) in my computer (Windows
98), I got the following error message:
Error 1406: Could not write value _MainFeature to key
HKEY_LOCAL_MACHINES\Software\Microsoft\Windows\CurrentVersion\Installer\Feat
ures\8C655693FA0801D4E87FA1CA60C4AAE1
Verify that y
What is the effect of using the "strip" command with the files generated by
ghc (besides reducing the file size)?
-- Andre
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What's the difference between unIO and unsafePerformIO? And why is the
former "safe"? (I would like to apply the same questions to unsafeIOToST and
ioToST)
Thanks,
-- Andre
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MessageI installed GHC-5.02.1 and now this problem doesn't happen anymore.
-- Andre
- Original Message -
From: Julian Seward (Intl Vendor)
To: Andre W B Furtado ; [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Tuesday, November 13, 2001 5:39 PM
Subject: RE: Strange fatal error
We
> Turn down the context switching time and/or the delta between
> profiling samples, e.g., to get the max amount of data, do
>
>prog +RTS -h -C0 -i0
When I did this, the size of the .ps file increased, but I'm still getting
an empty graph... Can anyone compile the following simple program wit
I just would like to report that, if you have
GHC-5.02 installed and want to install GHC-5.02.1 (under Windows), you'll
need to uninstall GHC-5.02 first, otherwise the InstallShield for GHC-5.02.1
won't work as expected. Is this a bug?
-- Andre
Can anyone explain me the following
error?
fatal error: scavenge: unimplemented/strange
closure type 0 @ 08C03FD0
(this happened with a program that reads and do
some manipulations in a 3MB bitmap file, using HOpenGL-1.01 and
GHC-5.02 under Windows 98 + Cygwin)
Thanks,
-- Andre
> > If module A imports B, and if B was compiled without the
> > profiling options
> > (but A was), is the final program expected to abort (illegal
> > operation or
> > something like that)? If it is, why?
>
> You must compile (and link) the whole program with -prof, because that
> option changes
If module A imports B, and if B was compiled without the profiling options
(but A was), is the final program expected to abort (illegal operation or
something like that)? If it is, why?
-- Andre
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The link to "The Graph Visualisation Tool daVinci", in GHC profiling
documentation
(http://www.haskell.org/ghc/docs/latest/set/prof-xml-tool.html), seems to be
broken. I think the link should point to
http://www.informatik.uni-bremen.de/daVinci/
-- Andre
The following code works...
= \x y -> (x+y - length [1..(gcd x y)] >= round (((fromIntegral
x)+1)/2) )
-- Andre
> hello,
>
> Does anybody know why it is not possible to define the folowing function
> in ghc?
>
> = \x y -> (x+y - length [1..(gcd x y)] >= round ((x+1)/2)) )
>
> The mess
I was trying to compile a .hs file with the profiling option enabled
(-prof -auto-all) but I got an error message:
/usr/bin/ld: cannot find -lHSstd_p_imp
collect2: ld returned 1 exit status
Does anyone know what is this "-lHSstd_p_imp"? I am using GHC-4.08.1 (with
Cygwin) under a Windows 98 plat
Now things really got worse... when I try to use GHC-4.08.1, I got the
following message:
ghc: permission denied
ghc: not found
make[1]: *** [depend] Error 127
How can I use the old GHC-4.08.1 back again? I have some APIs that still
need it...
Thanks,
-- Andre
I had GHC-4.08.1 installed in my computer (which runs under a Windows98
platform), and then I decided to install GHC-5.00.2 (this was its latest
version at that time). It is said that GHC-5.00.2 can co-exist with other
versions of GHC under a Windows platform, because it does not use cygwin
anymor
(I
think so...) why is the C program so much faster than it?
Thanks again,
-- Andre
- Original Message -
From: Albert Lai <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, October 18, 2001 9:42 PM
Subject: Re: Working character by character in Haskell
I'm trying to create a fast program in Haskell that reads the content of a
file, do some stuff with its characters (one by one) an then save the final
result (the modified characters) in another file. The fastest program I've
developed so far is:
main :: IO ()
main = do
bmFile <- openFileEx "in.
> > I'll get a strange result if the file contains the character
1A-hexadecimal
> > (or 26-decimal): all characters beyond this point won't be printed on
the
> > screen.
>
> I think this is correct behaviour for a text file under
> Windows/DOS... you should open the file as binary instead.
>
When
If I open a file using "openFile" from the IO module
(x <- openFile "foo.txt" ReadMode)
and convert it to a String via hGetContents
(y <- hGetContents x)
and finally try to print the file on the screen
(putStrLn y)
I'll get a strange result if the file contains the character 1A-hexadecimal
(
Hi out there. I would really appreciate if anyone
can tell me if there exists any haskell/hugs library that can PLAY midi files
during the execution of a program. Unfortunately, the FRAN library is limitated
to wav files... Please reply to [EMAIL PROTECTED].
Thanks a lot.
Andre W B
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