Reading package lists... Building dependency tree... Reading state information... NOTICE: 'fgrun' packaging is maintained in the 'Git' version control system at: git://anonscm.debian.org/collab-maint/fgrun.git Need to get 202 kB of source archives. Get:1 http://urika:3142/ftp.debian.org/debian/ sid/main fgrun 3.4.0.final-1 (dsc) [2,747 B] Get:2 http://urika:3142/ftp.debian.org/debian/ sid/main fgrun 3.4.0.final-1 (tar) [194 kB] Get:3 http://urika:3142/ftp.debian.org/debian/ sid/main fgrun 3.4.0.final-1 (diff) [5,152 B] gpgv: keyblock resource `/tmp/.gnupg/trustedkeys.gpg': file open error gpgv: Signature made Fri 22 May 2015 06:50:37 PM UTC using RSA key ID 3F31E9B3 gpgv: Can't check signature: public key not found dpkg-source: warning: failed to verify signature on ./fgrun_3.4.0.final-1.dsc dpkg-source: info: extracting fgrun in fgrun-3.4.0.final dpkg-source: info: unpacking fgrun_3.4.0.final.orig.tar.gz dpkg-source: info: unpacking fgrun_3.4.0.final-1.debian.tar.xz dpkg-source: info: applying add-debian-defaults.diff dpkg-source: info: applying fix-scenery-dir-bug.diff dpkg-source: info: applying kfreebsd.patch dpkg-source: info: applying fix-cmake-dl Fetched 202 kB in 0s (12.7 MB/s) Reading package lists... Building dependency tree... Reading state information... The following packages have unmet dependencies: libsimgear-dev : Depends: libsimgearscene3.4.0 (= 3.4.0-2) but it is not going to be installed Depends: libopenscenegraph-dev but it is not going to be installed E: Build-dependencies for fgrun could not be satisfied. Killed old client process Internet Systems Consortium DHCP Client 4.3.2 Copyright 2004-2015 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/eth0/5e:f6:80:78:c7:7e Sending on LPF/eth0/5e:f6:80:78:c7:7e Sending on Socket/fallback DHCPRELEASE on eth0 to 10.0.3.1 port 67 dpkg-buildpackage: source package fgrun dpkg-buildpackage: source version 3.4.0.final-1 dpkg-buildpackage: source distribution unstable dpkg-buildpackage: source changed by Markus Wanner dpkg-source --before-build fgrun-3.4.0.final dpkg-buildpackage: host architecture amd64 dpkg-checkbuilddeps: Unmet build dependencies: debhelper (>= 9) cmake libfltk1.3-dev fluid libsimgear-dev (>= 3.4.0~) libboost-dev zlib1g-dev (>= 1:1.2.3.4.dfsg-3) dpkg-buildpackage: warning: build dependencies/conflicts unsatisfied; aborting dpkg-buildpackage: warning: (Use -d flag to override.)