In /usr/bin/dpkg-genbuilddeps line 4: PROGNAME=`basename $0` ^-----------^ SC2006: Use $(...) notation instead of legacy backticked `...`. ^-- SC2086: Double quote to prevent globbing and word splitting. Did you mean: PROGNAME=$(basename "$0") For more information: https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ... https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...