On 12/06/20 8:35 pm, Christoph Thiede wrote:
> Thank you very much for your help, Subbu. So now I ran exactly your two
> commands, but first, the build failed because it was missing |clang|. Do
> I assume correctly that the following dependency should be mentioned
> anywhere in the repository?
>
> sudo apt-get -y install clang

I haven't used clang. I use the gcc toolchain. Sorry

>
> *
>
> |error: unknown warning option '-Wno-unused-but-set-variable'; did
> you mean '-Wno-unused-const-variable'?
> [-Werror,-Wunknown-warning-option] |

gcc has the unused-but-set-variable warning that gets suppressed with
that flag. See https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html

If you use clang, you will have to find the equivalent.

> fatal error: 'GL/gl.h' file not found # include <GL/gl.h> ^~~~~~~~~

This is found in mesa-common-dev package which gets install
automatically as a dependency for libgl1-mesa-dev.

>
> * Additionally, I am getting a large number of 177 warnings, which are
> probably not so important?

If I were you, I would scan through the warnings on 64b compile just to
make sure I am not missing anything important. Both int and pointer were
32b on 32b compile so one could force a pointer into int. But a pointer
is 64b on 64bit compiles. Storing a pointer into a int is problematic.

Regards .. Subbu

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