Cantor 17.12 crashes working with R and Sage backends and is very slow with some other ones on Arch Linux.

[Fernando de Morais]

Hi Alexander,

Many distribution provide additional packages containing the debug symbols,
> e.g. 'cantor-debuginfo' and 'libcantorlibs17-debuginfo' on openSUSE.
>

Unfortunately, for enable debug symbols options on packages in Arch Linux
is necessary a complete rebuild change the -DCMAKE_BUILD_TYPE (for KDE
applications, in this case). I follow the steps mentioned in Arch Wiki, but
in every try I get the following result:

==> Compilando e instalando pacote
==> Criando o pacote: cantor 17.12.1-1 (dom jan 14 14:53:53 -03 2018)
==> Verificando as dependências de tempo de execução...
==> Verificando as dependências de tempo de compilação...
==> Obtendo fontes...
 -> Baixando cantor-17.12.1.tar.xz...
 % Total    % Received % Xferd  Average Speed   Time    Time     Time
 Current
                                Dload  Upload   Total   Spent    Left
 Speed
100   344  100   344    0     0    344      0  0:00:01 --:--:--  0:00:01
  393
100 1039k  100 1039k    0     0   173k      0  0:00:06  0:00:06 --:--:--
 168k
 -> Baixando cantor-17.12.1.tar.xz.sig...
 % Total    % Received % Xferd  Average Speed   Time    Time     Time
 Current
                                Dload  Upload   Total   Spent    Left
 Speed
100   488  100   488    0     0    488      0  0:00:01 --:--:--  0:00:01
  598
 -> Encontrado cantor-julia-0.6.patch
==> Validando source arquivos com sha256sums...
   cantor-17.12.1.tar.xz ... Passou
   cantor-17.12.1.tar.xz.sig ... Ignorada
   cantor-julia-0.6.patch ... Passou
==> Verificando assinatura de arquivo fonte com gpg...
   cantor-17.12.1.tar.xz ... FALHOU (chave pública desconhecida
DBD2CE893E2D1C87)
==> ERRO: Uma ou mais assinaturas PGP não puderam ser verificadas!
==> ERRO: Makepkg não conseguiu compilar cantor.

In every attempt, I try to remove this key (DBD2CE893E2D1C87), put it again
on keys list, and refresh, but, again, I get the same result.

Thank you once more. Your help has been very meaningful, and I'm learning
more about how to contribute to the improvement of my favorite software.

Best regards.

2018-01-14 12:15 GMT-03:00 Alexander Semke <alexander.semke at web.de>:

> Hi Fernando,
>
>
> On 13.01.2018 19:49, Fernando de Morais wrote:
>
>> Hello Alexander,
>>
>> I've been trying to recompile Cantor for enable the debug possibilities,
>> but I did not succeed. I run into a GPG error that I can't solve.
>>
>> So I apologize for this failure of mine.
>>
> No reason to apologize here. GPG related error during the build? This is a
> bit strange. Can you provide the error message you get so we can help?
>
> Many distribution provide additional packages containing the debug
> symbols, e.g. 'cantor-debuginfo' and 'libcantorlibs17-debuginfo' on
> openSUSE.
> It is sufficient to install them to get more meaningful debug output.
> Maybe you want to check whether such packages are provided for Cantor by
> Arch Linux, too.
>
>
> Thanks and Regards,
> Alexander
>



-- 
Atenciosamente,

*José Fernando de Morais Firmino.*
Graduando no Curso Superior de Tecnologia em Automação Industrial.
*IFPB,* Campus Cajazeiras.
Currículo Lattes: clique aqui <http://lattes.cnpq.br/0001199049062038>.
Diretório de Grupos de Pesquisa: clique aqui
<http://dgp.cnpq.br/dgp/espelhorh/0001199049062038>.
E-mail acadêmico: fernando.morais at academico.ifpb.edu.br
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