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When the PR service is enabled a number of small changes may happen to variables. In the do_package step a call to package_get_auto_pr will end up setting PRAUTO and modifying PKGV (if AUTOINC is there). PRAUTO is then used by EXTENDPRAUTO, which is then used to generate PKGR. Since this behavior typically happens BEFORE the BB_UNIHASH is calculated for do_package, we need a way to defer the expansion until after we have the unihash value. Writing out the pkgdata files w/o AUTOPR and PKGV (AUTOINC) expanded to placeholder values is the easiest way to deal with this. All other variables are expanded as expected. In the next task, typically do_packagedata, we will then use the UNIHASH from the do_package to get the PR (AUTOPR) as well as generate the AUTOINC replacement value (now PRSERV_PV_AUTOINC). The do_packagedata then translates the placeholders to the final values when copying the data from pkgdata to pkgdata-pdata-input. Also update the prservice test case. With unihash, just changing the do_package (via a _append) will not change the PR. So write the date to a specific file that is incorporated into the unihash to ensure it is always different for the test. Various assert messages were also updated to make it easier to figure out where/why a problem occured. (From OE-Core rev: 2e32f37b0e4abc438c8f60e673cd18a5cc110768) Signed-off-by: Mark Hatle <mark.hatle@kernel.crashing.org> 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.