Imx7 yocto build

I am following the link : High performance, low power Embedded Computing Systems | Toradex Developer Center
for building my own yocto image… the procedure given makes angstrom, i want to build yocto. For the purpose i changed local.conf file, but that showed errors. What is the right procedure

hi @garima09

Could you provide the software version of your module?

What is your application? What are you trying to do?

the procedure given makes angstrom, i want to build yocto.
You can write you own recipe, which will make an image with all the content you want to have.

For the purpose i changed local.conf file, but that showed errors. What is the right procedure

What did you change?
What errors did you get?
For which procedure are you looking for?

Best regards,

Hello @jaski.tx
I modified local.conf file in order to build yocto image instead of angstrom as follows:
# Machine Selection
# You need to select a specific machine to target the build with. These are the
# machines which for the Toradex Colibri and Apalis computer on module families
#MACHINE ?= “apalis-imx6”
#MACHINE ?= “apalis-t30”
#MACHINE ?= “apalis-tk1”
#MACHINE ?= “apalis-tk1-mainline”
#MACHINE ?= “colibri-imx6”
#MACHINE ?= “colibri-imx6ull”
#MACHINE ?= “colibri-imx7”
MACHINE ?= “colibri-imx7-emmc”
#MACHINE ?= “colibri-t20”
#MACHINE ?= “colibri-t30”
#MACHINE ?= “colibri-vf”

# There are also a selection of emulated machines available which can boot and run
# in the QEMU emulator:
#MACHINE ?= "qemuarm"
#MACHINE ?= "qemumips"
#MACHINE ?= "qemuppc"
#MACHINE ?= "qemux86"
#MACHINE ?= "qemux86-64"

# Where to place downloads
# During a first build the system will download many different source code tarballs
# from various upstream projects. This can take a while, particularly if your network
# connection is slow. These are all stored in DL_DIR. When wiping and rebuilding you
# can preserve this directory to speed up this part of subsequent builds. This directory
# is safe to share between multiple builds on the same machine too.
# The default is a downloads directory under TOPDIR which is the build directory.
DL_DIR ?= "${TOPDIR}/downloads"

# Where to place shared-state files
# BitBake has the capability to accelerate builds based on previously built output.
# This is done using "shared state" files which can be thought of as cache objects
# and this option determines where those files are placed.
# You can wipe out TMPDIR leaving this directory intact and the build would regenerate
# from these files if no changes were made to the configuration. If changes were made
# to the configuration, only shared state files where the state was still valid would
# be used (done using checksums).
# The default is a sstate-cache directory under TOPDIR.
#SSTATE_DIR ?= "${TOPDIR}/sstate-cache"

# Where to place the build output
# This option specifies where the bulk of the building work should be done and
# where BitBake should place its temporary files and output. Keep in mind that
# this includes the extraction and compilation of many applications and the toolchain
# which can use Gigabytes of hard disk space.
# The default is a tmp directory under TOPDIR.
#TMPDIR = "${TOPDIR}/tmp"

# Where to place images and sw packages
# This places the build output in parallel to build and layers thus
# if you have several build directories you need to adjust deploy
# to something unique, e.g. "${TOPDIR}/../deploy_fb" "${TOPDIR}/../deploy_x11"
DEPLOY_DIR = "${TOPDIR}/../deploy"

# Package Management configuration
# This variable lists which packaging formats to enable. Multiple package backends 
# can be enabled at once and the first item listed in the variable will be used 
# to generate the root filesystems.
# Options are:
#  - 'package_deb' for debian style deb files
#  - 'package_ipk' for ipk files are used by opkg (a debian style embedded package manager)
#  - 'package_rpm' for rpm style packages
# E.g.: PACKAGE_CLASSES ?= "package_rpm package_deb package_ipk"
# We default to ipk:
PACKAGE_CLASSES ?= "package_ipk package_deb"

# SDK/ADT target architecture
# This variable specifies the architecture to build SDK/ADT items for and means
# you can build the SDK packages for architectures other than the machine you are 
# running the build on (i.e. building i686 packages on an x86_64 host).
# Supported values are i686 and x86_64
#SDKMACHINE ?= "i686"

# Extra image configuration defaults
# The EXTRA_IMAGE_FEATURES variable allows extra packages to be added to the generated 
# images. Some of these options are added to certain image types automatically. The
# variable can contain the following options:
#  "dbg-pkgs"       - add -dbg packages for all installed packages
#                     (adds symbol information for debugging/profiling)
#  "dev-pkgs"       - add -dev packages for all installed packages
#                     (useful if you want to develop against libs in the image)
#  "ptest-pkgs"     - add -ptest packages for all ptest-enabled packages
#                     (useful if you want to run the package test suites)
#  "tools-sdk"      - add development tools (gcc, make, pkgconfig etc.)
#  "tools-debug"    - add debugging tools (gdb, strace)
#  "eclipse-debug"  - add Eclipse remote debugging support
#  "tools-profile"  - add profiling tools (oprofile, exmap, lttng, valgrind)
#  "tools-testapps" - add useful testing tools (ts_print, aplay, arecord etc.)
#  "debug-tweaks"   - make an image suitable for development
#                     e.g. ssh root access has a blank password
# There are other application targets that can be used here too, see
# meta/classes/image.bbclass and meta/classes/core-image.bbclass for more details.
# We default to enabling the debugging tweaks.
# package-management deploys the package meta data of deployed packeges
EXTRA_IMAGE_FEATURES = "debug-tweaks package-management dev-pkgs ofono connman"

# Additional image features
# The following is a list of additional classes to use when building images which
# enable extra features. Some available options which can be included in this variable 
# are:
#   - 'buildstats' collect build statistics
#   - 'image-mklibs' to reduce shared library files size for an image
#   - 'image-prelink' in order to prelink the filesystem image
#   - 'image-swab' to perform host system intrusion detection
# NOTE: if listing mklibs & prelink both, then make sure mklibs is before prelink
# NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
USER_CLASSES ?= "buildstats image-mklibs image-prelink"

# Runtime testing of images
# The build system can test booting virtual machine images under qemu (an emulator)
# after any root filesystems are created and run tests against those images. To
# enable this uncomment this line. See classes/testimage(-auto).bbclass for
# further details.

# Interactive shell configuration
# Under certain circumstances the system may need input from you and to do this it 
# can launch an interactive shell. It needs to do this since the build is 
# multithreaded and needs to be able to handle the case where more than one parallel
# process may require the user's attention. The default is iterate over the available
# terminal types to find one that works.
# Examples of the occasions this may happen are when resolving patches which cannot
# be applied, to use the devshell or the kernel menuconfig
# Supported values are auto, gnome, xfce, rxvt, screen, konsole (KDE 3.x only), none
# Note: currently, Konsole support only works for KDE 3.x due to the way
# newer Konsole versions behave
#OE_TERMINAL = "auto"
# By default disable interactive patch resolution (tasks will just fail instead):

# Disk Space Monitoring during the build
# Monitor the disk space during the build. If there is less that 1GB of space or less
# than 100K inodes in any key build location (TMPDIR, DL_DIR, SSTATE_DIR), gracefully
# shutdown the build. If there is less that 100MB or 1K inodes, perform a hard abort
# of the build. The reason for this is that running completely out of space can corrupt
# files and damages the build in ways which may not be easily recoverable.
    STOPTASKS,${DL_DIR},1G,100K \
    ABORT,${TMPDIR},100M,1K \
    ABORT,${DL_DIR},100M,1K \

# Shared-state files from other locations
# As mentioned above, shared state files are prebuilt cache data objects which can 
# used to accelerate build time. This variable can be used to configure the system
# to search other mirror locations for these objects before it builds the data itself.
# This can be a filesystem directory, or a remote url such as http or ftp. These
# would contain the sstate-cache results from previous builds (possibly from other 
# machines). This variable works like fetcher MIRRORS/PREMIRRORS and points to the 
# cache locations to check for the shared objects.
# NOTE: if the mirror uses the same structure as SSTATE_DIR, you need to add PATH
# at the end as shown in the examples below. This will be substituted with the
# correct path within the directory structure.
#file://.* http://someserver.tld/share/sstate/PATH;downloadfilename=PATH \n \
#file://.* file:///some/local/dir/sstate/PATH"

# Qemu configuration
# By default qemu will build with a builtin VNC server where graphical output can be
# seen. The two lines below enable the SDL backend too. This assumes there is a
# libsdl library available on your build system.
PACKAGECONFIG_pn-qemu-native = "sdl"
ASSUME_PROVIDED += "libsdl-native"

# CONF_VERSION is increased each time build/conf/ changes incompatibly and is used to
# track the version of this file when it was generated. This can safely be ignored if
# this doesn't mean anything to you.

# Delete the the source/object/binary files once a package is built to preserve disk space
INHERIT += "rm_work"

# Add Toradex source mirror
#INHERIT += "toradex-mirrors"

# Use this distro (filename from meta-angstrom/conf/distro/xx.conf)
DISTRO = "warrior"

# What image type(s) are to be built?
IMAGE_FSTYPES += "tar.bz2"

# Don't generate the mirror tarball for SCM repos, the snapshot is enough

PREFERRED_PROVIDER_psplash-support = "psplash-warrior"

# This file does not need to exist, if it does it can be used to influence machine specific
# configurations without copying the machine file.
include conf/machine/include/${MACHINE}.inc

Then error I get
ERROR: OE-core’s config sanity checker detected a potential misconfiguration.
Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
Following is the list of potential problems / advisories:

DISTRO 'warrior' not found. Please set a valid DISTRO in your local.conf

COuld you help me with yocto build process


I have done this successfully, needed to create my own customised yocto-based map for toradex. I have created my own local.conf by referring basic local.conf of poky distro along with customised set-up environment script.

Now the issue is i want to install packages using apt-get or opkg or ipk, but install command is not available as follows:-
root@colibri-imx7-emmc:~# apt-get install vim
E: Could not open lock file /var/lib/dpkg/lock - open (2: No such file or directory)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
I am already root user

Hi @jaski.tx could you please check on this

hi @garima09

regarding apt-get have you done this?

Hi @jaski.tx, I have tried the mentioned link by you, but didn’t get success. Now i am trying with opkg. I followed this link:
I edited the local.conf file as mentioned, but still opkg is not working. Could you please tell me the right process??

opkg should work out of box, you don’t have to change anything. What errors are you getting?

Hi @jaski.tx
opkg is working now, I have created my own local server and provided respective path in /etc/opkg/opkg.conf.
Issue is if i want to install vim, any other package whose ipk is not in my server, how can I do that.
For eg:- in Ubuntu we don’t need to configure any server. we just install as follows:-
sudo apt-get install vim
all the packge with dependencies are automatically installed.

How can I do that with yocto, on my board.

Unfortunately, you can’t as the Yocto Project is not a binary Linux distribution. For what you are looking for you might be better off with our new offering Torizon.