Dev/Expected Build Warnings

dpkg-source: warning: extracting unsigned source package

dpkg-source: warning: extracting unsigned source package (anon-gw-anonymizer-config_5.0-1.dsc)

etc.

This does not affect the build. ^[1]

Can not write log, openpty() failed (/dev/pts not mounted?)

This does not affect the build. ^[2]

[....] Your system does not have the CPU extensions required to use KVM. Not doing anything. ...[ FAIL ]

This does not affect the build. ^[3]

[....] Stopping VirtualBox kernel modules [ ok ].
[....] Starting VirtualBox kernel modules[....] No suitable module for running kernel found ...[ FAIL ]
invoke-rc.d: initscript virtualbox, action "restart" failed.

This does not affect the build. ^[4]

WARNING: The character device /dev/vboxdrv does not exist.
	 Please install the virtualbox-ose-dkms package and the appropriate
	 headers, most likely linux-headers-486.

	 You will not be able to start VMs until this problem is fixed.

This does not affect the build. ^[5]

dpkg: warning: failed to open configuration file '/root/.dpkg.cfg' for reading: Permission denied

This does not affect the build. ^[6]

sudo: unable to resolve host host

This does not affect the build. ^[7]

Related forum topic:
Expected Build Warnings

Footnotes:

↑ https://forums.whonix.org/t/end-to-end-signed-debs-debsign-debsig-and-dpkg-sig/3446
↑ This is nothing to be concerned about; it only happens because commands are run inside chroot. Research of this "issue" indicates it is purely cosmetic.
↑ KVM is installed as a dependency of the build dependency libguestfs-tools. KVM is not needed to build the actual images.
↑ This only means that VirtualBox cannot be started. VirtualBox kernel modules could not be compiled because the linux-headers-$(uname -r) package was not installed prior to installing VirtualBox (before starting Whonix's build script). The build script doesn't start VirtualBox, hence does not affect the build. The build script only uses VBoxManage for creation of virtual machine description files and that tool doesn't need VirtualBox kernel modules.
↑ This is caused by the same issue referenced above.
↑ This happens because debuild is run as user, not root. It is probably a bug in dpkg. Research of this issue reveals there are many similar bugs in dpkg.
↑ Hostname inside VM image gets changed intentionally to host inside the VM image. The cause probably is package anon-base-files postinst running hostname "$my_host_name" / hostname host. This change should only happen inside the change root chroot. We might get rid of this issue by porting form chroot to systemd-nspawn, but it is not very important.

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[1] ttps://forums.whonix.org/t/end-to-end-signed-debs-debsign-debsig-and-dpkg-sig/3446

[2] This is nothing to be concerned about; it only happens because commands are run inside chroot. Research of this "issue" indicates it is purely cosmetic.

[3] KVM is installed as a dependency of the build dependency libguestfs-tools. KVM is not needed to build the actual images.

[4] This only means that VirtualBox cannot be started. VirtualBox kernel modules could not be compiled because the linux-headers-$(uname -r) package was not installed prior to installing VirtualBox (before starting Whonix's build script). The build script doesn't start VirtualBox, hence does not affect the build. The build script only uses VBoxManage for creation of virtual machine description files and that tool doesn't need VirtualBox kernel modules.

[5] This is caused by the same issue referenced above.

[6] This happens because debuild is run as user, not root. It is probably a bug in dpkg. Research of this issue reveals there are many similar bugs in dpkg.

[7] Hostname inside VM image gets changed intentionally to host inside the VM image. The cause probably is package anon-base-files postinst running hostname "$my_host_name" / hostname host. This change should only happen inside the change root chroot. We might get rid of this issue by porting form chroot to systemd-nspawn, but it is not very important.

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