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novena-image-type
Build an image that is targeting the Novena machine. It has the same characteristics as @code{raw-with-offset-image-type}.
pine64-image-type
Build an image that is targeting the Pine64 machine. It has the same characteristics as @code{raw-with-offset-image-type}.
hurd-image-type
Build an image that is targeting a @code{i386} machine running the Hurd kernel. The MBR image contains a single ext2 partitions with specific @code{file-system-options} flags.
hurd-qcow2-image-type
Build an image similar to the one built by the @code{hurd-image-type} but with the @code{format} set to @code{'compressed-qcow2}.
wsl2-image-type
Build an image for the @acronym{WSL2, Windows Subsystem for Linux 2}. It can be imported by running:
wsl --import Guix ./guix ./wsl2-image.tar.gz
wsl -d Guix
So, if we get back to the @code{guix system image} command taking an @code{operating-system} declaration as argument. By default, the @code{mbr-raw-image-type} is used to turn the provided @code{operating-system} into an actual bootable image.
To use a different @code{image-type}, the @code{--image-type} option can be used. The @code{--list-image-types} option will list all the supported image types. It turns out to be a textual listing of all the @code{image-types} variables described just above (@pxref{Invoking guix system}).
Let's take the example of the Pine64, an ARM based machine. To be able to produce an image targeting this board, we need the following elements:
An @code{operating-system} record containing at least
an appropriate kernel (@code{linux-libre-arm64-generic}) and bootloader @code{u-boot-pine64-lts-bootloader}) for the Pine64.
Possibly, an @code{image-type} record providing a way to
turn an @code{operating-system} record to an @code{image} record suitable for the Pine64.
An actual @code{image} that can be instantiated with the
@command{guix system image} command.
The @code{(gnu system images pine64)} module provides all those elements: @code{pine64-barebones-os}, @code{pine64-image-type} and @code{pine64-barebones-raw-image} respectively.
The module returns the @code{pine64-barebones-raw-image} in order for users to be able to run:
guix system image gnu/system/images/pine64.scm
Now, thanks to the @code{pine64-image-type} record declaring the @code{'pine64-raw} @code{image-type}, one could also prepare a @code{my-pine.scm} file with the following content:
(use-modules (gnu system images pine64))
(operating-system
(inherit pine64-barebones-os)
(timezone "Europe/Athens"))
to customize the @code{pine64-barebones-os}, and run:
$ guix system image --image-type=pine64-raw my-pine.scm
Note that there are other modules in the @code{gnu/system/images} directory targeting @code{Novena}, @code{Pine64}, @code{PinebookPro} and @code{Rock64} machines.
debugging files
Program binaries, as produced by the GCC compilers for instance, are typically written in the ELF format, with a section containing @dfn{debugging information}. Debugging information is what allows the debugger, GDB, to map binary code to source code; it is required to debug a compiled program in good conditions.
This chapter explains how to use separate debug info when packages provide it, and how to rebuild packages with debug info when it's missing.

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an appropriate kernel (@code{linux-libre-arm64-generic}) and bootloader @code{u-boot-pine64-lts-bootloader}) for the Pine64.
an appropriate kernel (@code{linux-libre-arm64-generic}) and bootloader @code{u-boot-pine64-lts-bootloader}) for the Pine64.
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Source string description
type: itemize
Flags
read-only
Source string location
guix-git/doc/guix.texi:47830
String age
a year ago
Last updated
yesterday
Source string age
a year ago
Translation file
po/doc/guix-manual.pot, string 14910