Wmaker on Gentoo: No Drag and Drop (DND) support?

Hello

On gentoo, wmaker version 0.91.0 compiled without drag&drop
support for application icons. In «Docked Application Settings»
the input field «Command for files dropped with DND» does not
accept input, and below the field is written: «DND support was
not compiled in».

I already changed src/wconfig.h line 71 to enable drag&drop, but
this did not help.

Does anybody know what needs to be done to compile drag&drop
support for application icons?

Gentoo USE flags: +gif -gnustep +jpeg -modelock +nls +png +tiff
-xinerama

Thanks for any hints
Urs

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