I’m using gcc 9.4.0
You can see output from build here: Add missing function · FigBug/Wavetable@c5d67c2 · GitHub
/home/runner/work/Wavetable/Wavetable/modules/juce/modules/juce_graphics/juce_graphics_Harfbuzz.cpp
In file included from /usr/include/c++/9/tuple:38,
from /usr/include/c++/9/functional:54,
from /home/runner/work/Wavetable/Wavetable/modules/juce/modules/juce_graphics/fonts/harfbuzz/hb-cplusplus.hh:35,
from /home/runner/work/Wavetable/Wavetable/modules/juce/modules/juce_graphics/fonts/harfbuzz/hb.hh:530,
from /home/runner/work/Wavetable/Wavetable/modules/juce/modules/juce_graphics/juce_graphics_Harfbuzz.cpp:85:
/usr/include/c++/9/utility:308:22: error: ‘__make_integer_seq’ does not
name a type
308 | using __type = __make_integer_seq<_IdxTuple, size_t, _Num>;
| ^~~~~~~~~~~~~~~~~~
/usr/include/c++/9/utility:330:9: error: ‘__make_integer_seq’ does not
name a type
330 | = __make_integer_seq<integer_sequence, _Tp, _Num>;
| ^~~~~~~~~~~~~~~~~~
/usr/include/c++/9/utility:343:33: error: ‘make_integer_sequence’ does
not name a type; did you mean ‘integer_sequence’?
343 | using make_index_sequence = make_integer_sequence<size_t, _Num>;
| ^~~~~~~~~~~~~~~~~~~~~
| integer_sequence
/usr/include/c++/9/utility:347:32: error: ‘make_index_sequence’ does
not name a type; did you mean ‘index_sequence’?
347 | using index_sequence_for = make_index_sequence<sizeof...(_Types)>;
| ^~~~~~~~~~~~~~~~~~~
| index_sequence
In file included from /usr/include/c++/9/functional:54,
from /home/runner/work/Wavetable/Wavetable/modules/juce/modules/juce_graphics/fonts/harfbuzz/hb-cplusplus.hh:35,
from /home/runner/work/Wavetable/Wavetable/modules/juce/modules/juce_graphics/fonts/harfbuzz/hb.hh:530,
from /home/runner/work/Wavetable/Wavetable/modules/juce/modules/juce_graphics/juce_graphics_Harfbuzz.cpp:85:
/usr/include/c++/9/tuple: In function ‘constexpr decltype(auto)
std::apply(_Fn&&, _Tuple&&)’:
/usr/include/c++/9/tuple:1693:4: error: ‘make_index_sequence’ does not
name a type; did you mean ‘index_sequence’?
1693 | = make_index_sequence<tuple_size_v<remove_reference_t<_Tuple>>>;
| ^~~~~~~~~~~~~~~~~~~
| index_sequence
/usr/include/c++/9/tuple:1696:11: error: ‘_Indices’ was not declared in
this scope
1696 | _Indices{});
| ^~~~~~~~
/usr/include/c++/9/tuple: In function ‘constexpr _Tp
std::make_from_tuple(_Tuple&&)’:
/usr/include/c++/9/tuple:1712:2: error: ‘make_index_sequence’ was not
declared in this scope; did you mean ‘index_sequence’?
1712 | make_index_sequence<tuple_size_v<remove_reference_t<_Tuple>>>{});
| ^~~~~~~~~~~~~~~~~~~
| index_sequence
/usr/include/c++/9/tuple:1712:63: error: expected primary-expression before
‘{’ token
1712 | make_index_sequence<tuple_size_v<remove_reference_t<_Tuple>>>{});
| ^
/usr/include/c++/9/tuple:1712:63: error: expected ‘)’ before ‘{’
token
1712 | make_index_sequence<tuple_size_v<remove_reference_t<_Tuple>>>{});
| ^
| )
/usr/include/c++/9/tuple:1710:41: note: to match this ‘(’
1710 | return __make_from_tuple_impl<_Tp>(
| ^
[6/10] Building CXX object
extras/Build/juceaide/CMakeFiles/juceaide.dir/Debug/__/__/__/modules/juce_data_structures/juce_data_structures.cpp.o
[7/10] Building CXX object
extras/Build/juceaide/CMakeFiles/juceaide.dir/Debug/__/__/__/modules/juce_graphics/juce_graphics.cpp.o
[8/10] Building CXX object
extras/Build/juceaide/CMakeFiles/juceaide.dir/Debug/__/__/__/modules/juce_core/juce_core.cpp.o
[9/10] Building CXX object
extras/Build/juceaide/CMakeFiles/juceaide.dir/Debug/__/__/__/modules/juce_gui_basics/juce_gui_basics.cpp.o
ninja: build stopped: subcommand failed.