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Subject:	Re: Compiling rtorrent-0.9.4-1 with cygport
To:	cygwin AT cygwin DOT com
References:	<CAFeE7G=Pp-uRL_NiRd4nJOVo6=Uvu+3Zo2+Q_Nm_0_cE8xz48w AT mail DOT gmail DOT com>
Cc:	sorin AT itguy DOT ro
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID:	<e37e713d-c09a-540e-b531-4107492a03a1@gmail.com>
Date:	Tue, 8 Nov 2016 19:24:58 +0100
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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 ?


>
> 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.

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

Regards
Marco


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