[gdal-dev] std::numeric_limits<int64_t>::min() vs LLONG_MIN

dg0yt at darc.de dg0yt at darc.de
Fri Dec 16 22:10:30 PST 2022


I'm not using MSVC, so this is a guess:
Are you including 'windows.h' without 'NOMINMAX' being defined?
Then you will get macros which interfere with the limits code.

Regards, Kai.

> Paul Meems <bontepaarden at gmail.com> hat am 17.12.2022 00:46 CET geschrieben:
> 
> 
> Thanks, Kurt for your response.
> 
> I'm getting a very vague error message:
> E0040 expected an identifier.
> 
> 
>  Regards,
> 
> Paul
> 
> 
> Op za 17 dec. 2022 om 00:40 schreef Kurt Schwehr <schwehr at gmail.com>:
> > What exact error are you getting?
> > 
> > 
> > On Fri, Dec 16, 2022 at 3:31 PM Paul Meems <bontepaarden at gmail.com> wrote:
> > > Hello List,
> > > 
> > > We're trying to update MapWinGIS which is using the GDAL libraries from gisinternals.com (http://gisinternals.com)
> > > Currently, we use the stable daily of December 9: release-1928-gdal-3-5-mapserver-8-0
> > > 
> > > I'm using VS2019 (on Windows) to compile and I'm having issues with two lines in gdal_pam.h, around line 215.
> > > We need to change these two lines:
> > > 
> > >   * constexpr int64_t GDAL_PAM_DEFAULT_NODATA_VALUE_INT64 = std::numeric_limits<int64_t>::min();
> > >   * constexpr uint64_t GDAL_PAM_DEFAULT_NODATA_VALUE_UINT64 = std::numeric_limits<uint64_t>::max();
> > > To
> > >   * constexpr int64_t GDAL_PAM_DEFAULT_NODATA_VALUE_INT64 = LLONG_MIN;
> > >   * constexpr uint64_t GDAL_PAM_DEFAULT_NODATA_VALUE_UINT64 = LLONG_MAX;
> > > I prefer not to alter the files from gisinternals.com (http://gisinternals.com). Is this what we can solve on our end?
> > > Is it related to the C++ version? We use these:
> > > 
> > >   * ISO C++14 Standard (/std:c++14)
> > >   * ISO C11 Standard (/std:c11)
> > > Thanks for any advice.
> > > 
> > > Paul Meems
> > > 
> > > _______________________________________________
> > >  gdal-dev mailing list
> > >  gdal-dev at lists.osgeo.org
> > >  https://lists.osgeo.org/mailman/listinfo/gdal-dev
> > > 
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