kicad-developers team mailing list archive

[Jon Evans <jon@xxxxxxxxxxxxx>]

So maybe it's a 32-bits vs 64-bits thing.
If you add a line like
#define __USE_MINGW_ANSI_STDIO 1
at the top of that source file, does it work?

On Fri, Jan 3, 2020 at 9:32 AM jp charras <jp.charras@xxxxxxxxxx> wrote:

> 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
>
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