checking for python script directory... ${prefix}/lib/python3.6/site-packages
checking for python extension module directory... ${exec_prefix}/lib/python3.6/site-packages
checking for path to Python.h... "using /usr/include/python3.6m ....  python3.6/Python.h"
checking python3.6/Python.h usability... no
checking python3.6/Python.h presence... no
checking for python3.6/Python.h... no
checking python3.6mu/Python.h usability... no
checking python3.6mu/Python.h presence... no
checking for python3.6mu/Python.h... no
checking python3.6m/Python.h usability... yes
checking python3.6m/Python.h presence... yes
checking for python3.6m/Python.h... yes
checking for sane_open in -lsane... no
configure: error: cannot find sane-backends-devel support (or --disable-scan-build)