[oi-dev] Gimp and G++10 issue

[Klaus Ziegler]

On 1/20/23 13:27, Carsten Grzemba via oi-dev wrote:
> The current Gimp can't load image files format which support EXIF data.
>
> eg the file-jpeg or file-png command crashs on current Gimp if it 
> attempts to open a image file.
>
> The crashing function is Exiv2::XmpProperties::nsInfoUnsafe
>
> There is an old closed BUG
> ttps://github.com/Exiv2/exiv2/pull/959
>
> The bug is related the Error class in throwing an exception.
> The simple test source shows our problem:
>
> |// file: jens.cpp // 
> https://github.com/Exiv2/exiv2/issues/644#issuecomment-452472029 /* 
> Linux: $ c++ -std=c++98 jens.cpp -I/usr/local/include -L/usr/local/lib 
> -lexiv2 -o jens $ ./jens Caught error No namespace info available for 
> XMP prefix `gnome' http://www.gnome.org/xmp/ $ */ #include 
> <exiv2/exiv2.hpp> #include <iostream> int main(int argc, char *argv[]) 
> { try { Exiv2::XmpProperties::ns("gnome"); } catch (Exiv2::Error 
> &error) { std::cerr << "Caught error " << error.what() << "\n"; 
> Exiv2::XmpProperties::registerNs("http://www.gnome.org/xmp", "gnome"); 
> } std::cout << Exiv2::XmpProperties::ns("gnome") << std::endl; }|
> If I test with exiv2
>
> pkg://openindiana.org/image/library/exiv2@0.27.5-2020.0.1.0:20211030T093809Z
>
> and compile the test source with g++ 7 it works:
>  ./jens
> Caught error No namespace info available for XMP prefix `gnome'
> http://www.gnome.org/xmp/
>
> and if I compile the test source with g++ 10 it crashes:
>
>  ./jens
> terminate called after throwing an instance of 'Exiv2::BasicError<char>'
>   what():  No namespace info available for XMP prefix `gnome'
> Abort (core dumped)
>
> Anyone how have an idea what the problem here?
>
> -- 
> Carsten
>
>
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Hi Carsten,
try setting CFLAGS including -fcommon
Rgds
Klaus
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