Re: Problems creating a DLL with ghc-5.02.1

7 Dec 2001

      ...
Cool, that works! But now no import library is created. I thought this
done
during creating the dll?
Patrick
-----Original Message-----
From: Sigbjorn Finne [mailto:sof@galois.com]
Sent: Donnerstag, 6. Dezember 2001 16:35
To: Lehti, Patrick
Cc: glasgow-haskell-users@haskell.org
Subject: Re: Problems creating a DLL with ghc-5.02.1
Yes, if you're willing to do the following:
- only use the --mk-dll option when linking together object
   files & archives (i.e., don't try compile a Haskell source
   file and create its DLL during the same invocation of GHC).
(Remembering to include the _stub.o files too when linking).
- modify your package.conf file, editing the entry for the 'rts'
   package to instead of having a library_dirs equal to
   ["$libdir"], have it be ["$libdir", "$libdir/gcc-lib"]
Alternatively, add the command-line option
"-Lc:/ghc/ghc-5.02.1/gcc-lib"
   to your ghc-5.02.1 (where c:/ghc/ghc-5.02.1 is wherever you've
   got GHC installed).
hth
--sigbjorn
----- Original Message -----
From: "Lehti, Patrick " 
To: 
Sent: Thursday, December 06, 2001 06:04
Subject: Problems creating a DLL with ghc-5.02.1
...
Hi,
I tried to wrap a Haskell application in a DLL using ghc-5.02.1. But
You just have to tell it to do so. i.e., add

  -optdll--output-lib -optdlllibMyLib.a

to your --mk-dll invocation command line
(suitably tweaked, of course).

--sigbjorn

----- Original Message -----
From: "Lehti, Patrick " 
To: "'Sigbjorn Finne'" 
Cc: 
Sent: Friday, December 07, 2001 03:39
Subject: RE: Problems creating a DLL with ghc-5.02.1

this
...
is
...
not working, with cygwin in path I got this error message:
/usr/lib/mingw/libmingw32.a(gccmain.o)(.text+0x88):gccmain.c: multiple
definition of `__main'
/usr/lib/libm.a(ds00023.o)(.text+0x0): first defined here
... and without cygwin in path, it could not find "dllwrap" and
"dlltool".
Is there any solution for this problem?
Patrick
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