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updating README

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Lukas Bulwahn 2012-12-05 13:33:42 +01:00
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README.af_yocto
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PURPOSE:
This document describes the installation, use and content of the git repository af_yocto.
INSTALLATION and USE:
The repository only contains our contributions to the existing yocto poky-danny-8.0 archive.
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CONTENT of the repository:
.gitignore list of filenames of the poky-danny-8.0 release to ignore. Adjust file to track newly added recipes.
build/conf/bblayers.conf setting files for building image
build/conf/local.conf
meta/recipes-core/images/core-image-bmw.bb recipe for our own core image (derived from core-image-minimal)
meta/recipes-devtools/python/python-pyyaml_3.10.bb recipe for pyyaml python library
meta/recipes-devtools/python/python-rospkg_1.0.15.bb recipe for rospkg tool
.gitignore list of filenames of the poky-danny-8.0 release to ignore. Adjust file to track newly added recipes.
build/conf/bblayers.conf setting file for building image
build/conf/local.conf setting file for building image
meta/recipes-core/images/core-image-bmw.bb recipe for our own core image (derived from core-image-minimal)
meta/recipes-devtools/python/python-pyyaml_3.10.bb recipe for pyyaml python library
meta/recipes-devtools/python/python-rospkg_1.0.15.bb recipe for rospkg tool
MILESTONES
M1: basic image with dev-tools (make, cmake, ...) and ROS compiles natively in the virtual machine
M2: Linux+ROS System can be built completely with bitbake (no compilation and installing in the virtual machine)
M3: Linux+ROS System with configured kernel (e.g. RT-Linux, System-D) that meets AF requirements
RESOLVED ISSUES for M1:
RESOLVED ISSUES:
- recipes for python-pyyaml and python-rospkg create invalid shell scripts (header line refers to python-native instead of python.)
RESOLVED by patching distutils class--will be committed to yocto.
- recipe for log4cxx requires another patch.
RESOLVED by providing patch 0003 in recipe
OPEN ISSUES:
OPEN ISSUES for M1:
- Yocto: python-setuptools requires some python-modules at run-time.
TEMPORARILY RESOLVED by adding all python-modules in the image
SHOULD BE RESOLVED by creating an appropriate patch for python-setuptools and contributing to openembedded-core
- rospkg modules are not found when runnning python.
UNCLEAR. Maybe we need rospkg-dev?
TEMPORARILY RESOLVED by installing natively in the virtual machine
SOLUTION UNCLEAR. Maybe we need rospkg-dev?
- Compilation with make fails in the virtual machine because of insufficient memory during compilation.