TrailsOfThePharaoh/build$ cmake --build . --config Release [5/22] Building CXX object CMakeFiles/TrialsOfThePharaoh.dir/src/vulkan-render/vkinit.cpp.o FAILED: CMakeFiles/TrialsOfThePharaoh.dir/src/vulkan-render/vkinit.cpp.o
/usr/bin/c++ -DGFX_ENV_VULKAN -DVK_USE_PLATFORM_XLIB_KHR -I../include -I/usr/include/freetype2 -pthread -std=gnu++14 -MD -MT CMakeFiles/TrialsOfThePharaoh.dir/src/vulkan-render/vkinit.cpp.o -MF CMakeFiles/TrialsOfThePharaoh.dir/src/vulkan-render/vkinit.cpp.o.d -o CMakeFiles/TrialsOfThePharaoh.dir/src/vulkan-render/vkinit.cpp.o -c ../src/vulkan-render/vkinit.cpp In file included from ../src/vulkan-render/vkinit.cpp:1: ../src/vulkan-render/vkinit.h:31:2: error: ‘VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXT’ was not declared in this scope 31 | VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXT | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~