Problems creating a DLL with ghc-5.02.1

Sigbjorn Finne [email protected]
Fri, 7 Dec 2001 07:43:43 -0800


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 " <[email protected]>
To: "'Sigbjorn Finne'" <[email protected]>
Cc: <[email protected]>
Sent: Friday, December 07, 2001 03:39
Subject: RE: Problems creating a DLL with ghc-5.02.1


> 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:[email protected]]
> Sent: Donnerstag, 6. Dezember 2001 16:35
> To: Lehti, Patrick
> Cc: [email protected]
> 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 " <[email protected]>
> To: <[email protected]>
> 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
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
> >
>
>
> _______________________________________________
> Glasgow-haskell-users mailing list
> [email protected]
> http://www.haskell.org/mailman/listinfo/glasgow-haskell-users