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* update-rc.d has added support of enable/disable options, which are expected to keep the previous configuration even after upgrade the packages. With support for these options, it will only create start/stop link when there are none, or it will keep the previous configuration. Our preinst uses "-f remove" to remove any links under the /etc/rcrunlevel.d which is conflicting behavior with disable/enable options, so remove it. For example, if a user disabled one service before upgrade, then after upgrade the service could be started. This happens because during preinst, all links have been deleted, then postinst may create the link to start service. With this change, we remove preinst and therefore keep the previous links so that after upgrade, if a link existed for the package, then the postinst will not create new start/stop links. * remove '-f' for postinst. Previously, the keepalived recipe used 'remove' during postinst, so we needed the -f, but now the keepalived recipe has fixed this problem, so it's safe to remove '-f'. [Yocto #12955] (From OE-Core rev: 7981d5261429cfb06030280460086f9af91876d9) Signed-off-by: Changqing Li <changqing.li@windriver.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.