Bug#984353: surf-alggeo: ftbfs with GCC-11

[Torrance, Douglas]

Control: tags -1 patch

On Wed, 03 Mar 2021 16:17:45 +0000 Matthias Klose <doko at debian.org> wrote:
> ../../../yaccsrc/Script.cc: In static member function ‘static void Script::clearScreen()’:
> ../../../yaccsrc/Script.cc:910:23: error: reference to ‘byte’ is ambiguous
>   910 |         *intensity = (byte)(-print_background_data);
>       |                       ^~~~
> In file included from /usr/include/c++/11/bits/stl_algobase.h:61,
>                  from /usr/include/c++/11/bits/char_traits.h:39,

This is due to the introduction of std::byte in C++17, which is default in GCC 11.  One band-aid fix would be to explicitly drop back to C++14 -- see the attached patch.

In the long term, it would probably be good to drop all the various instances of "using namespace std".

Doug
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