On Mon, 03 Apr 2017 23:38:48 +0300 Adrian Bunk <b...@debian.org> wrote:
> Source: ruby-unf-ext
> Version: 0.0.7.2-2
> Severity: serious
>
> ruby-unf-ext FTBFS on ppc64el (originally reported by Frederic Bonnard):
>
> ...
> unf/table.hh:13539:25: error: narrowing conversion of '-51' from 'int' to
> 'char' inside { } [-Wnarrowing]
> unf/table.hh:13539:25: error: narrowing conversion of '-123' from 'int' to
> 'char' inside { } [-Wnarrowing]
> unf/table.hh:13539:25: error: narrowing conversion of '-50' from 'int' to
> 'char' inside { } [-Wnarrowing]
> unf/table.hh:13539:25: error: narrowing conversion of '-105' from 'int' to
> 'char' inside { } [-Wnarrowing]
> unf/table.hh:13539:25: error: narrowing conversion of '-52' from 'int' to
> 'char' inside { } [-Wnarrowing]
> ...
>
>
> Complete log is attached.
This is caused by ppc64el having "char" being unsigned by default.
Beyond the table that needs to be converted/dealt with, there are about
20 -Wsign-conversion issues in the code that smells like they may cause
issues as well.
That said, a short term fix may be to revert:
https://github.com/knu/ruby-unf_ext/commit/1e2d2bc29798342ab2616eb3d74ea36c793a33e4
Thanks,
~Niels
