-- The CXX compiler identification is GNU 16.1.1
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
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-- Configuring for SDL UI
-- Found ZLIB: /usr/lib/libz.so (found version "1.3.1")
-- Found OpenGL: /usr/lib/libOpenGL.so
-- Configuring done (0.9s)
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In file included from /home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/./Machines/ScanProducer.hpp:14,
                 from /home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Acorn/Archimedes/Archimedes.cpp:24:
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/./Machines/TimedMachine.hpp:28:22: warning: ‘virtual void MachineTypes::TimedMachine::run_for(Time::Seconds)’ was hidden [-Woverloaded-virtual=]
   28 |         virtual void run_for(const Time::Seconds duration) {
      |                      ^~~~~~~
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Acorn/Archimedes/Archimedes.cpp:382:14: note:   by ‘virtual void Archimedes::ConcreteMachine::run_for(Cycles)’
  382 |         void run_for(Cycles cycles) override {
      |              ^~~~~~~
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c++: internal compiler error: Segmentation fault signal terminated program cc1plus
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make[2]: *** [CMakeFiles/clksignal.dir/build.make:1059: CMakeFiles/clksignal.dir/Machines/Acorn/Archimedes/Archimedes.cpp.o] Segmentation fault (core dumped)
make[2]: *** Deleting file 'CMakeFiles/clksignal.dir/Machines/Acorn/Archimedes/Archimedes.cpp.o'
make[2]: *** Waiting for unfinished jobs....
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Thomson/MO/MO.cpp: In function ‘std::unique_ptr<Thomson::MO::Machine> {anonymous}::machine(const Target&, const ROMMachine::ROMFetcher&) [with bool is_mo6 = true]’:
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Thomson/MO/MO.cpp:738:1: warning: control reaches end of non-void function [-Wreturn-type]
  738 | }
      | ^
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Thomson/MO/MO.cpp: In function ‘constexpr Thomson::MO::Keyboard::Machine {anonymous}::machine(Analyser::Static::Thomson::MOTarget::Model)’:
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Thomson/MO/MO.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type]
   53 | }
      | ^
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Thomson/MO/MO.cpp: In function ‘std::unique_ptr<Thomson::MO::Machine> {anonymous}::machine(const Target&, const ROMMachine::ROMFetcher&) [with bool is_mo6 = false]’:
/home/silver/aur-packages-git/clk-sdl/src/CLK-2026-04-30/Machines/Thomson/MO/MO.cpp:738:1: warning: control reaches end of non-void function [-Wreturn-type]
  738 | }
      | ^
make[1]: *** [CMakeFiles/Makefile2:87: CMakeFiles/clksignal.dir/all] Error 2
make: *** [Makefile:136: all] Error 2
==> ERROR:(B A failure occurred in build().(B
    Aborting...(B