On Jan 2, 2014, at 1:34 PM, Alexis La Goutte <alexis.lagoutte@xxxxxxxxx> wrote:
> I have also some time the some error message...
>
> With autotools, -Wshorten-64-to-32 is limited to only C...
Because, to quote the comment in configure.ac:
# The Qt headers generate a ton of shortening errors on 64-bit systems
# so only enable this for C for now.
I.e., it's not that g++ or clang++ don't support the option, it's that the bulk of our C++ code uses a framework that doesn't cast away those warnings (or fix them).
