Hi, Build succeeded with several warnings: /tmp/nix-build-libusb-1.0.9.drv-0/libusb-1.0.9/libtool: line 1113: ldconfig: command not found strip:/nix/store/1x3fy2fs9p4k80asqcasji82lhhfb5hp-libusb-1.0.9/lib/libusb-1.0.la: File format not recognized strip:/nix/store/1x3fy2fs9p4k80asqcasji82lhhfb5hp-libusb-1.0.9/lib/pkgconfig/libusb-1.0.pc: File format not recognized We've already discussed the strip-related ones, [1] but what about the first one? I was using the following settings. nix.conf: build-users-group = nixbld build-use-chroot = true build-chroot-dirs = /dev /proc /bin or # ./pre-inst-env guix-daemon --build-users-group=nixbld \ > -C 0 --chroot-directory=/bin & Can I commit it? Nikita [1] https://lists.gnu.org/archive/html/bug-guix/2012-12/msg00049.html