gcc links to libcmain when generating a dll

[skidmarks]

Thanks.

Just downloaded all the documents (the easy part), now comes the reading.

art

On 5/23/2025 6:40 AM, Jon Turney wrote:
> On 23/05/2025 14:30, skidmarks via Cygwin wrote:
> [...]
>> Thanks!
>>
>>> g++ -shared -flinker-output=dyn -o slip.dll *.o
>>
>> ran with not errors.
>>
>> Is there any documentation available on cygwin specific issues?
>> This seems like a question that I should be able to answer on my
>> own.
>
> Indeed. We do ask people to read the FAQ before posting, and:
>
> https://cygwin.com/faq.html#faq.programming.dll-building
>
> points to
>
> https://cygwin.com/cygwin-ug-net/dll.html
>
> which is in need of updating, but mentions that you should use '-shared'.
>
> But this isn't actually a Cygwin specific question. '-shared' is 
> actually the right flag to use everywhere.
>
> > One residual question that a cygwin specific manual may answer> is 
> why libcmain.a was included at all.
>
> Because the linker thinks you are making an executable, which has to 
> have a main function.