Trying to fix compilation error with GCC 10.2

[AlexanderSeizinger]

Trying to fix compilation with GCC10.2 (tried with comparable example with GCC10.1).
Added mod config file for BA10.24.

[abma]

thank you!

[abma]

still fails:

[2/5] Building CXX object AI/Skirmish/AAI/CMakeFiles/AAI.dir/AAIExecute.cpp.o FAILED: AI/Skirmish/AAI/CMakeFiles/AAI.dir/AAIExecute.cpp.o /usr/lib/ccache/c++ -DAAI_EXPORTS -DASIO_STANDALONE -DBUILDING_AI -DBUILDING_SKIRMISH_AI -DSPRING_DATADIR=\"/usr/local/share/games/spring\" -DSYNCCHECK -DTHREADPOOL -D_GLIBCXX_USE_NANOSLEEP -D_GNU_SOURCE=1 -D_RANDOM_TCC -D_REENTRANT -Irts -Isrc-generated/engine -Irts/ExternalAI/Interface -IAI/Wrappers -fuse-ld=gold -std=c++17 -fdiagnostics-color=auto -march=x86-64 -msse -mfpmath=sse -mno-sse2 -mno-sse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -mno-sse4 -mno-sse4a -mno-avx -mno-fma -mno-fma4 -mno-xop -mno-lwp -mno-avx2 -fsingle-precision-constant -frounding-math -mieee-fp -pipe -fno-strict-aliasing -fvisibility=hidden -fvisibility-inlines-hidden -pthread -O2 -Wformat -Wformat-security -DNDEBUG -g -fPIC -fpic -MD -MT AI/Skirmish/AAI/CMakeFiles/AAI.dir/AAIExecute.cpp.o -MF AI/Skirmish/AAI/CMakeFiles/AAI.dir/AAIExecute.cpp.o.d -o AI/Skirmish/AAI/CMakeFiles/AAI.dir/AAIExecute.cpp.o -c AI/Skirmish/AAI/AAIExecute.cpp In file included from /usr/include/c++/10/map:60, from AI/Wrappers/LegacyCpp/WeaponDef.h:6, from AI/Wrappers/LegacyCpp/aibase.h:8, from AI/Wrappers/LegacyCpp/IGlobalAI.h:9, from AI/Skirmish/AAI/AAI.h:14, from AI/Skirmish/AAI/AAIExecute.cpp:11: /usr/include/c++/10/bits/stl_tree.h: In instantiation of ‘static const _Key& std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_S_key(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Const_Link_type) [with _Key = std::pair<int, float>; _Val = std::pair<int, float>; _KeyOfValue = std::_Identity<std::pair<int, float> >; _Compare = CompareConstructionUrgency; _Alloc = std::allocator<std::pair<int, float> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Const_Link_type = const std::_Rb_tree_node<std::pair<int, float> >*]’: /usr/include/c++/10/bits/stl_tree.h:2101:47: required from ‘std::pair<std::_Rb_tree_node_base*, std::_Rb_tree_node_base*> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_get_insert_unique_pos(const key_type&) [with _Key = std::pair<int, float>; _Val = std::pair<int, float>; _KeyOfValue = std::_Identity<std::pair<int, float> >; _Compare = CompareConstructionUrgency; _Alloc = std::allocator<std::pair<int, float> >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::key_type = std::pair<int, float>]’ /usr/include/c++/10/bits/stl_tree.h:2154:4: required from ‘std::pair<std::_Rb_tree_iterator<_Val>, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(_Arg&&) [with _Arg = std::pair<int, float>; _Key = std::pair<int, float>; _Val = std::pair<int, float>; _KeyOfValue = std::_Identity<std::pair<int, float> >; _Compare = CompareConstructionUrgency; _Alloc = std::allocator<std::pair<int, float> >]’ /usr/include/c++/10/bits/stl_set.h:521:25: required from ‘std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, float>; _Compare = CompareConstructionUrgency; _Alloc = std::allocator<std::pair<int, float> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<std::pair<int, float>, std::pair<int, float>, std::_Identity<std::pair<int, float> >, CompareConstructionUrgency, std::allocator<std::pair<int, float> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, float>]’ AI/Skirmish/AAI/AAIExecute.cpp:2061:85: required from here /usr/include/c++/10/bits/stl_tree.h:780:8: error: static assertion failed: comparison object must be invocable as const 780 | is_invocable_v<const _Compare&, const _Key&, const _Key&>, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [4/5] Building CXX object AI/Skirmish/AAI/CMakeFiles/AAI.dir/AAIUnitTable.cpp.o ninja: build stopped: cannot make progress due to previous errors.

[abma]

better readable: https://paste.springfiles.com/view/raw/5045b870