build: MinGW lacks d3d12

rpavlik · rpavlik · commit a02fba9dc68a · 2019-12-13T15:30:09.000-06:00
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -173,6 +173,8 @@ endfunction()
 
 if(WIN32)
     add_definitions(-DXR_USE_GRAPHICS_API_D3D11)
+endif()
+if(MSVC)
     add_definitions(-DXR_USE_GRAPHICS_API_D3D12)
 endif()
 
