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When the populate-volatile.sh initscript tests if a configured symlink is already in place, it uses readlink with the '-f' (follow) option: > [ "$(readlink -f $source)" = "$dest" ] If the test fails, it proceeds to delete the exisiting folder/file, and create the configured symlink. However, the '-f' option to readlink makes it follow symlinks pointing at symlinks. If the $dest argument is a symlink, the above test fails, and warnings are printed due to changing a read-only rootfs. This is the case for /tmp, and /etc/resolv.conf: > /tmp -> /var/tmp -> /var/volatile/tmp > /etc/resolv.conf -> /var/run/resolv.conf -> /run/resolv.conf Fix the warnings by removing the '-f' option, so that the test matches the configuration. [ YOCTO #10814 ] (From OE-Core rev: fb028a0a25c02ab56ad262afd8e6e9495a44673d) Signed-off-by: Martin Hundebøll <martin@geanix.com> Signed-off-by: Jacob Kroon <jacob.kroon@gmail.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.