Try more straight forward approach

Author: fasmat

src/vulkan/driver-vulkan.cpp

@@ -266,8 +266,8 @@ static int vulkan_detect(struct cgpu_info *gpus, int *active)
 		VK_API_VERSION_1_2
 	};
 
-#ifndef LINUX_ARM64
-	const char* const extensions[1] = {VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME};
+#ifdef VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME
+	const char* const extensions[1] = { VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME };
 
 	const VkInstanceCreateInfo instanceCreateInfo = {
 		VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,

src/vulkan/gen/CMakeLists.txt

@@ -31,7 +31,6 @@ elseif(APPLE)
     target_link_libraries(shaders-gen -L$ENV{VULKAN_SDK}/lib -lvulkan shaderc_combined)
 elseif(UNIX)
     if (SPACEMESH_ARCH_ARM64)
-        add_compile_definitions(LINUX_ARM64)
         target_link_libraries(shaders-gen vulkan glslang MachineIndependent OSDependent GenericCodeGen OGLCompiler HLSL SPIRV SPIRV-Tools-opt SPIRV-Tools)
     else()
         target_link_libraries(shaders-gen -L$ENV{VULKAN_SDK}/lib -lvulkan shaderc_combined)