Trivial simple OpenGl working example

[Виталий Фадеев]

On Thursday, 8 July 2021 at 14:09:30 UTC, drug wrote:
> 08.07.2021 16:51, Виталий Фадеев пишет:
>> Hi!
>> 
>> I searching trivial simple D/OpenGL working in 2021 year 
>> example.
>> 
>> It may be triangle.
>> It may be based on any library: SDL, GLFW, Derelict, etc.
>> 
>> Can you help me ?
>> 
>
> https://github.com/drug007/gfm7/tree/master/examples/simpleshader
>
> it's not trivial though but it works (tested in linux)
> just `dub fetch gfm7` then go to 
> `path\to\gfm7\examples\simpleshader` and run `dub`.
>
> All kudos to Guillaume Piolat, original author of gfm library.

Thank, drug. But llok at this:

vital at unknown:~/src/dtest/working-example/gfm7/examples/simpleshader$ dub run
Fetching bindbc-opengl 0.15.0 (getting selected version)...
Fetching colorize 1.0.5 (getting selected version)...
Fetching gfm 8.0.6 (getting selected version)...
Fetching bindbc-sdl 0.19.2 (getting selected version)...
Fetching intel-intrinsics 1.4.0 (getting selected version)...
Fetching bindbc-loader 0.3.2 (getting selected version)...
Performing "debug" build using /usr/bin/dmd for x86_64.
colorize 1.0.5: building configuration "library"...
gfm7:logger 1.1.1: building configuration "library"...
bindbc-loader 0.3.2: building configuration "noBC"...
bindbc-opengl 0.15.0: building configuration "dynamic"...
intel-intrinsics 1.4.0: building configuration "library"...
gfm:math 8.0.6: building configuration "library"...
gfm7:opengl 1.1.1: building configuration "unittest"...
bindbc-sdl 0.19.2: building configuration "dynamic"...
gfm7:sdl2 1.1.1: building configuration "library"...
../../sdl2/gfm/sdl2/timer.d(69,13): Warning: statement is not 
reachable
Error: warnings are treated as errors
        Use -wi if you wish to treat warnings only as 
informational.
/usr/bin/dmd failed with exit code 1.

Error.
Has dub flag for disable "warnings are treated as errors" ?