build: MinGW lacks d3d12

rpavlik · rpavlik · commit f27fab6ff77b · 2019-12-10T13:40:46.000-06:00
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -143,6 +143,8 @@ endif()
 
 if(WIN32)
     add_definitions(-DXR_USE_GRAPHICS_API_D3D11)
+endif()
+if(MSVC)
     add_definitions(-DXR_USE_GRAPHICS_API_D3D12)
 endif()
 
