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Adding distcc to an image, and having staticids enabled, doesn't work as it causes a a superfluous 'distcc' group being added using a conflicting GID, thus failing the build: | ERROR: distcc-3.2-r0 do_prepare_recipe_sysroot: distcc: groupadd command did not succeed. Compared to other recipes, the distcc recipe only specifies --gid for the primary group, and doesn't specify --no-user-group, but when --gid is given, it doesn't make sense to create a matching username-group in addition, even if --no-user-group was not specified, and 'useradd' actually complains if --gid and --user-group are given both. If only --gid is given, the current code in here effectively behaves as if --user-group was specified, taking the group-id of the username-group from the --gid parameter. This causes the error above, as we try to add a new group (distcc) with an existing group-id (nogroup). This is contrary to the comment in this file just above, contrary to what useradd can do, contrary to behaviour without the useradd-staticids bbclass, and non-intuitive. Change the code such that a username-group is only created - if a primary group using --gid was not specified, or - if --no-user-group was not specified To be in line with useradd, if gid is not given, and --no-user-group is given, we add the user to the group 'users', which mimics useradd's behaviour. (From OE-Core rev: fc3a86ae68919cec72c1a8ae0f9ba1f98ae13f0d) Signed-off-by: André Draszik <adraszik@tycoint.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 + qemuppc64) * 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.