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In particular won't keep temporary variables specified in this way) Configuration $(pwd)/meta-pyrex/pyrex-init-build-env they mustīe specified on separate lines to remain compatible will all shells (i.e. NOTE: While it might be tempting to combine all of these into a one-liner like $(pwd )/meta-pyrex/pyrex-init-build-env " " PYREX_ROOT= " $(pwd )/meta-pyrex " # Alternatively, if it is desired to always use a fixed config file that users # can't change, set the following: #PYREXCONFFILE="$(pwd)/pyrex.ini" # Source the core pyrex environment script. If not specified, pyrex-init-build-env will # assume it is the directory where it is currently located (which is probably # correct)
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PYREX_OEINIT= " $(pwd )/oe-init-build-env " # The location of Pyrex itself. If unspecified, defaults to # "$OEROOT/oe-init-build-env" or "$(pwd)/oe-init-build-env" PYREX_CONFIG_BIND= " $(pwd ) " # The path to the build init script. You may need to override the default if # your bitbake directory, build directory, or any of your layer directories are # not children of the default (and thus, wouldn't be bound into the container). If unspecified, defaults to # the parent directory of the sourced pyrex-init-build-env script, before # it is resolved as a symbolic link. # Paths that should be bound into the container. This example, we will just clone it into a subdirectory of poky. There are many ways of doing this, but for Using vanilla Pyrex with a stock version of Yocto is pretty straight forward.įirst, add Pyrex to your project. This probably isn't much of a concern for a single individual. Will get consistent builds, regardless of their individual machine setups. a corporate or other group environment) working in Yocto Pyrex is primarily intended to ensure that a group In these cases CROPS is probably a better Of setup overhead and because of its focus doesn't isolate the container as What Yocto is like), Pyrex is probably not for you. To build Yocto in (for example, you just want to try out a build to see If all you need is a reproducible container There are some situations where Pyrex may not always make sense: Versions to use a container image that suits them without the developers These cases, Pyrex can be helpful because it will easily allow the different
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Sadly, it isn'tĪlways possible to always use the latest and greatest version of Yocto, orĮven to use the same version of Yocto for all projects within a group. You have to build multiple different versions of Yocto.In these cases, Pyrex can helpĮnsure that builds are consistent between different developers. If you have multiple developers building on development machines withĭifferent setups (e.g.There are a number of situations where Pyrex can be very useful: Graphical tools such as hob when using Pyrex. Note that because of this philosophy, it may not be possible to run some Supported since there is no other way to easily run them outside the bitbake For example, theĬommands bitbake -c devshell, bitbake -c devpyshell, and bitbake -c menuconfig (or any other commands that run in OE_TERMINAL) are all Tied into bitbake that can't easily be run any other way. Note that there are some provisions in the Pyrex image for running utilities How they want, but still run the actual Yocto build commands in a controlled Pyrex is designed to allow developers the freedom to use whatever tools andĮditors they want, run whatever distro they want, and configure their system
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and faithfully reproduce your development PCĮnvironment while also creating a reproducible build environment. Pyrex isn't designed to be a complete Yocto IDE. Shell, it is (hopefully) transparently executed inside the container instead. "trapping" the commands such that when the user executes the command in their Pyrex works by setting up a container image in which to run commands, then Some different design decisions than other containerized solutions like
Pyrex full#
Teams who want are doing interactive development with Yocto (although, Pyrexĭoesn't aim to be a full development environment, see below), and as such makes `bitbake`) will now # run in Pyrex What is Pyrex?Īt its core, Pyrex is an attempt to provided a consistent environment in whichĭevelopers can run Yocto and bitbake commands. # Tell Pyrex where bitbake and oe-core live # Set PYREXCONFFILE to the location of the newly created config file # Create the pyrex environment initialization script symbolic link