Hi Sepi, there's a missing copyright attribution:
./cmake_modules/Findlibusb-1.0.cmake: # Adapted from cmake-modules Google Code project # # Copyright (c) 2006 Andreas Schneider # # (Changes for libusb) Copyright (c) 2008 Kyle Machulis # # Redistribution and use is allowed according to the terms of the New BSD license. # # CMake-Modules Project New BSD License # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # * Neither the name of the CMake-Modules Project nor the names of its # contributors may be used to endorse or promote products derived from this # software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON This looks like the lib should be linked with pthreads: dpkg-shlibdeps: warning: symbol pthread_setname_np used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries dpkg-shlibdeps: warning: symbol sem_destroy used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries dpkg-shlibdeps: warning: symbol sem_post used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries dpkg-shlibdeps: warning: symbol pthread_join used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries dpkg-shlibdeps: warning: symbol pthread_sigmask used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries dpkg-shlibdeps: warning: symbol pthread_create used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries dpkg-shlibdeps: warning: symbol sem_init used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries dpkg-shlibdeps: warning: symbol sem_wait used by debian/libusb3380-0/usr/lib/x86_64-linux-gnu/libusb3380.so.0.0.1 found in none of the libraries /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000011370 T sem_close /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000010b60 T sem_destroy@@GLIBC_2.2.5 /usr/lib/x86_64-linux-gnu/libpthread.so:00000000000115a0 T sem_getvalue@@GLIBC_2.2.5 /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000010b20 T sem_init@@GLIBC_2.2.5 /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000010e60 T sem_open /usr/lib/x86_64-linux-gnu/libpthread.so:00000000000119c0 T sem_post@@GLIBC_2.2.5 /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000011950 T sem_timedwait /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000011780 T sem_trywait@@GLIBC_2.2.5 /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000011470 T sem_unlink /usr/lib/x86_64-linux-gnu/libpthread.so:0000000000011740 T sem_wait@@GLIBC_2.2.5 (Not sure this is the correct solution, though.) The rest is fine and good to go I think. Christoph