I tried to build the AC56U fw as well because it's a newer version (hoped if they fixed it for this one the next one for DSL-17U will be fixed as well). The DSL sources - at least the ones I saw have different file structure than RT routers probably that's why the paths look different.
UPDATE
Asus uploaded fixed GPL packages, now it works fine.
Original post:
Hi,
I downloaded the latest GPL source code for the DSL-N17U model. I saw that someone reported a similar issue on the official ASUS forum but still tried to compile it.
And I'm always getting this error:
The picture...