Re: Compiling rtorrent-0.9.4-1 with cygport

[Sorin Adrian Savu <sorin@itguy.ro>]

On Tue, Nov 8, 2016 at 8:24 PM, Marco Atzeri <marco.atzeri@gmail.com> wrote:
> On 26/10/2016 07:10, Sorin Adrian Savu wrote:
>>
>> Hello!
>>
>> I'm trying to compile rtorrent-0.9.4-1 with cygport to add support for
>> XMLRPC.
>
>
> rtorrent package is currently 0.9.6-1.
> Any reason for 0.9.4 ?

Yes, tracker doesn't accept 0.9.6-1

>
>
>>
>> I've added:
>> CYGCONF_ARGS="--with-xmlrpc-c"
>> in the cygport file.
>>
>> When I try to compile, I get the following error:
>>
>>
>> /usr/src/rtorrent-0.9.4-1.src/rtorrent-0.9.4-1.x86_64/src/rtorrent-0.9.4/src/display/window_file_list.cc:
>> In function ‘std::wstring display::wstring_width(const string&, int)’:
>>
>> /usr/src/rtorrent-0.9.4-1.src/rtorrent-0.9.4-1.x86_64/src/rtorrent-0.9.4/src/display/window_file_list.cc:80:38:
>> error: ‘wcswidth’ was not declared in this scope
>>    int swidth = wcswidth(result, width);
>>                                       ^
>>
>> /usr/src/rtorrent-0.9.4-1.src/rtorrent-0.9.4-1.x86_64/src/rtorrent-0.9.4/src/display/window_file_list.cc:87:18:
>> error: ‘::wcwidth’ has not been declared
>>        int next = ::wcwidth(result[length]);
>>                   ^
>> After some investigation it seems to be related to _XOPEN_SOURCE
>> flag, but when I add that I get other errors.
>>
>> I've tried compiling with the CYGCONF_ARGS commented out and the
>> behavior is the same.
>>
>> Am I missing something ? How can I find out which compile flags were
>> used at the package build time ?
>
>
> You are not missing anything.
> CYGCONF_ARGS was empty for last binary build.
>
> The cygwin headers changed from last time I built the rtorrent package.
> I see the same error today.
>
> Adding
>  CXXFLAGS+=" -D_GNU_SOURCE"
> to the cygport should solve the build problem.

Tested today, and I can confirm it works. Would you mind pointing me
to some documentation/info about what changed in the headers ?

>
> about --with-xmlrpc-c, I think there is no cygwin package to
> support such  configuration.

I've used the source package directly for lib xmlrpc-c

>
> Regards
> Marco
>

Thanks for your time!

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