On Wed, 2016-10-05 at 23:45 +0200, Bertram Scharpf wrote: > Hi, > > my olde Brother printer/scanner device MFC-7420 needs > libraries that are provided as binaries on the Brother site. > Until I switched to amd64 they worked well on a x64 system. > > Now I loaded down the amd64 version but it doesn't work. The > problem seems to be a library load. > > # SANE_DEBUG_DLL=1 scanimage -L > [sanei_debug] Setting debug level of dll to 1. > [dll] sane_init: SANE dll backend version 1.0.13 from sane-backends > 1.0.24 > [dll] load: dlopen() failed (libusb-0.1.so.4: cannot open shared > object file: No such file or directory) > ... > > No scanners were identified. ... > > Indeed, "libusb-0.1.so.4" is hardcoded in > "libsane-brother2.so". The libraries present are > > # equery b /lib64/libusb-* > * Searching for /lib64/libusb-1.0.so.0,/lib64/libusb-1.0.so.0.1.0 > ... > dev-libs/libusb-1.0.19-r1 (/lib64/libusb-1.0.so.0.1.0) > dev-libs/libusb-1.0.19-r1 (/lib64/libusb-1.0.so.0 -> libusb- > 1.0.so.0.1.0) > > When I use brute force and symlink 0.1 to 1.0 I get another > error that doesn't actually surprise me. > > # ln -s libusb-1.0.so.0.1.0 libusb-0.1.so.4 > # SANE_DEBUG_DLL=1 scanimage -L > [sanei_debug] Setting debug level of dll to 1. > [dll] sane_init: SANE dll backend version 1.0.13 from sane-backends > 1.0.24 > [dll] load: dlopen() failed (/usr/lib64/sane/libsane-brother2.so.1: > undefined symbol: usb_busses) > ... > > Brother provides a source package but I cannot compile that > because it isn't even complete, and when I mail them, they > don't answer. > > Is there _any_ way to solve this? > > Thanks in advance. > > Bertram > >
I recently started using the brother-overlay[0], and so far the drivers have "just worked" for me. I can't tell offhand if your driver is included there. [0] https://github.com/stefan-langenmaier/brother-overlay Alecks Gates
