Building statistics

[Doug Junkins]

I ran into the same problems as Robert trying to build the bstoeger-statistics branch on MacOS 10.15.7 with Qt 5.15.2 installed with QtCharts, but haven’t had a chance to dig into the issue yet (other than confirming that adding #include <cmath> fixes the missing std::isnan() reference.)

-Doug

> On Jan 1, 2021, at 9:12 AM, Dirk Hohndel via subsurface <subsurface at subsurface-divelog.org> wrote:
> 
> Oh yes, all my tests of the statistics code have been on macOS 10.15.
> 
> What I think you are seeing is that not all required QML modules and plugins were automatically moved into the app folder.
> I have a few family things to take care of this morning, but I'll try a clean build and make sure that everything works as designed 
> 
> /D
> 
> On January 1, 2021 8:29:00 AM PST, Berthold Stoeger via subsurface <subsurface at subsurface-divelog.org> wrote:
> Hi Robert,
> 
> On Freitag, 1. Jänner 2021 16:00:28 CET Robert Helling via subsurface wrote:
> 
> First thing I noticed was that the compiler complains about not knowing
> about std::isnan(). But since there is (and is suggested by the compiler)
> isnan(), I changed all occurrences in this way. Maybe I am still using an
> old version of the C++ standard, but this seemed to do the job.
> 
> Please try
> 
> #include <math.h>
> 
> or
> 
> #include <cmath>
> 
> in the respective files. I'm not sure, but I think that it would be standards-
> conforming if the first version would not populate the std-namespace and the 
> second version would not populate the global namespace. However, I doubt that 
> compilers are that unhelpful, so either should work.
> 
> th-nb-tmpmbp05-6766:build Helling$ Subsurface.app/Contents/MacOS/Subsurface
> MapWidget.qml: cannot find a plugin named: googlemaps
> 1 ,  "The geoservices provider is not supported."
> qrc:/qml/MapWidget.qml:24: Error: Cannot assign [undefined] to
> QDeclarativeGeoMapType* Populating font family aliases took 923 ms. Replace
> uses of missing font family "'Bookman URW'" with one that exists to avoid
> this cost. qrc:/qml/statsview.qml:3:1: module "QtCharts" is not installed
>      import QtCharts 2.0
>      ^
> QObject::connect(QtCharts::QChart, StatsView): invalid null parameter
> Segmentation fault: 11
> 
> 
> I know I have QtCharts installed (at first I had not in my Qt 5.12 that I
> had used so far and then already cmake complained). But somehow QML refuses
> to import it. Any ideas how to fix this?
> 
> Can't help you with that, sorry. But I'm pretty sure that Dirk tested it on 
> MacOS.
> 
> Berthold
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> 
> -- 
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