kicad-developers team mailing list archive

[jp charras <jp.charras@xxxxxxxxxx>]

Le 03/01/2020 à 15:10, Jon Evans a écrit :
> I found it defined in
> C:\msys64\mingw64\include\c++\8.3.0\x86_64-w64-mingw32\bits\os_defines.h
> on my machine.
> @JP -- what platform did you use (Windows version / MSYS version / etc)
> where you saw the issue?

I confirm the %zu is not working on my install.

m_out->Print( aNestLevel+1, "(drawings %zu)\n", aBoard->Drawings().size() );

generates the warning:
warning: unknown conversion type character 'z' in format [-Wformat=]

on my install:

Platform: Windows 7 (build 7601, Service Pack 1), 32 bit, Little endian,
wxMSW
Build Info:
    wxWidgets: 3.1.3 (wchar_t,wx containers)
    Boost: 1.71.0
    OpenCASCADE Community Edition: 6.8.0
    Curl: 7.66.0
    Compiler: GCC 9.2.0 with C++ ABI 1013

And I never saw %zu working on my W7 32 bits install.


> 
> On Fri, Jan 3, 2020 at 9:02 AM Seth Hillbrand <seth@xxxxxxxxxxxxx
> <mailto:seth@xxxxxxxxxxxxx>> wrote:
> 
>     On 2020-01-02 17:19, Jon Evans wrote:
> 
>     > Hi all,
>     >
>     > Context:
>     > https://gitlab.com/kicad/code/kicad/merge_requests/28#note_264910682
>     >
>     > I have heard there are issues using "%zu" format specifier on
>     > Windows/mingw, because mingw links against a very old Windows library
>     > that does not support the C99 standard.
>     >
>     > I have also heard that this isn't an issue anymore because of
>     > __USE_MINGW_ANSI_STDIO in wxWidgets.
>     >
>     > I tried to reproduce this problem on my Windows 10 machine but
>     couldn't
>     > -- using %zu works fine.
>     >
>     > Does anyone know if this is still a problem on any of our supported
>     > platforms?
>     >
>     > Thanks,
>     > -Jon
> 
>     I learned that this was a problem from JP.  See commit
>     https://gitlab.com/kicad/code/kicad/commit/17b18637f
> 
>     Perhaps he can shed some light on the specifics.
> 
>     -S
> 
> 
>     Seth Hillbrand
>     KiCad Services Corporation
>     https://www.kipro-pcb.com
>     +1 530 302 5483 | +1 212 603 9372
> 
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-- 
Jean-Pierre CHARRAS