Some testing scripts I use for OE/bitbake/yocto

These expect to be run from a functional bitbake build environment.

This script tests for relocation errors in tools we run during the build

It does so by building the specified target, then rebuilding all of its dependencies from scratch in a new tmpdir, with all their dependencies pulled from sstates produced in the previous tmpdir.

This has been verified functional by removing flex-native's create_wrapper call, then building something which depends upon flex/bison.

This script tests for greedy configure scripts in recipe builds, which link against things based on their existence in the sysroot.

It does so by building the specified target, then rebuilding all of its dependencies from scratch, one by one, monitoring for buildhistory changes.

This has been verified functional by spotting libpcap's tendency to pull in libusb functionality if libusb is available. To reproduce this:

./greedy-deps-tests -p libusb1 -s -w libpcap

Example output of this command:

$ ./greedy-deps-tests -p libusb1 -s -w libpcap
Wiping temp directory...done
Wiping buildhistory directory...done
Building libpcap from scratch...done
Building libusb1 to prepopulate tmpdir...done
Cleaning libpcap...done
Rebuilding libpcap...done
Checking buildhistory for libpcap...failed
Differences in buildhistory for libpcap:
packages/i586-mel-linux/libpcap/libpcap-dbg: RRECOMMENDS: added "libusb1-dbg"
packages/i586-mel-linux/libpcap/libpcap-dev: RRECOMMENDS: added "libusb1-dev"
packages/i586-mel-linux/libpcap/libpcap: RDEPENDS: added "libusb1 (['>= 1.0.9'])"

This is a simple script which uses a default configuration (poky/qemux86), and adds each available bsp or distro layer to the configuration, one at a time, monitoring for changes to the appended recipes with bitbake-whatchanged. This helps one to identify bsp layers which affect machines other than the ones it provides, and distro layers which affect other distros when included.