slide/mono — comment on commit 407dd029e3f1ec712a7f6a8b684b8ee8d2a18b61
File: mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/Copy.cs line 168
By radical:

Could you please surround this property with

#ifdef NET_3_5 || NET_4_0
...
#endif

This would ensure that this property is available only for 3.5/4.0 projects.
Let the field and rest of the code remain as-is though. Default value is false,
so it won't affect anything.