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

Tue Dec 16 20:26:00 GMT 2008

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.