Re: creating shared dlls yields undefined reference to `WinMain@16' in mingw 4.3

["Daniel Walter" <d2walter at hotmail dot com>]

Thank you for your help, I wasn't sure which group to go to first on this. 
I will try reporting this to MingW.

Daniel

----- Original Message ----- 
From: "Andrew Haley" <aph@redhat.com>
To: "Daniel Walter" <d2walter@hotmail.com>
Cc: <java@gcc.gnu.org>
Sent: Tuesday, December 16, 2008 3:26 PM
Subject: Re: creating shared dlls yields undefined reference to `WinMain@16' 
in mingw 4.3


> Daniel Walter wrote:
>
> > > Daniel Walter wrote:
> > > > It appears that libmingw.a is causing the problem, though this library
> > > > can be linked to form a dll as long as no gcj object files are linked 
> > > > as
> > > > well. Below are the results of the attempts to link with 'g++ -v' first
> > > > with gcj objects which failed and the second time with only g++ 
> > > > objects.
> > >
> > > So, which object file in libmingw.a contains the undefined reference to
> > > `WinMain@16'  And what dependency is causing it to be pulled in?
>
> > I tried adding -Wl,-y,_WinMain@16 so that I could find out where this
> > reference was missing.  The result was main.o - this was also in the
> > previous output.
>
> OK, so there's a file called main.o that for some reason is pulled in when
> linking.  I have no idea; I think we need mingw32 experts.
>
> Andrew.