Created attachment 284647 [details] Build log Package app-mobilephone/dfu-util doesn't build without dev-util/pkgconfig. The error is: checking for pkg-config... no checking for USB... no configure: error: *** Required libusb-1.0 >= 1.0.0 not installed *** Please, add dev-util/pkgconfig as a dependency of app-mobilephone/dfu-util.