creating libsane-epson2.la
(cd .libs && rm -f libsane-epson2.la && ln -s ../libsane-epson2.la libsane-epson                                                      2.la)
Generating lexmark.conf from lexmark.conf.in
make[1]: Leaving directory `/home/lontra/Downloads/scanner/sane-backends/backend                                                      '
making all in frontend
make[1]: Entering directory `/home/lontra/Downloads/scanner/sane-backends/fronte                                                      nd'
gcc -o .libs/scanimage scanimage.o stiff.o  ../lib/liblib.a ../backend/.libs/lib                                                      sane.so -lpthread /usr/lib/libgphoto2.so /usr/lib/libgphoto2_port.so /usr/lib/li                                                      bltdl.so -ldl /usr/lib/libexif.so -lm /usr/lib/libusb.so -Wl,--rpath -Wl,/usr/lo                                                      cal/lib
scanimage.o: In function `auth_callback':
/home/lontra/Downloads/scanner/sane-backends/frontend/scanimage.c:291: undefined                                                       reference to `md5_buffer'
collect2: ld returned 1 exit status
make[1]: *** [scanimage] Error 1
make[1]: Leaving directory `/home/lontra/Downloads/scanner/sane-backends/fronten                                                      d'
make: *** [all-recursive] Error 1