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Yocto Bug: https://bugzilla.yoctoproject.org/show_bug.cgi?id=13663 Prior to this fix, the try/except block in OEScriptTests' setUpClass did both the import and the raise unittest.SkipTest for the subsequent OEPybootchartguyTests. The consequence of the this meant that, when cairo was not available on the test host, the raise was counted only once as a class setup issue, instead of once for each of the tests to be run, resulting in incorrect skip counts in the test results. Instead of raising unittest.SkipTest in setUpClass, the more proper method is to use the unittest.skipUnless method along with importlib.util.find_spec to check for the presence of the python3-cairo module. This allows the entire class to be skipped if cairo is not present, while also correctly passing along the skip state for each of the class's tests, and avoiding the UNKNOWN results to appear in cases where the -j option was provided to oe-selftest, but the tests were still skipped. (From OE-Core rev: 10c2216cb6fb61c74babd8bd17cb3481754b7475) Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.