# The recipe
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"

# Inc by two since another bbappend in a non-movis layer incs by one
PRINC := "${@int(PRINC) + 2}"

do_install_append() {
    ln -s /usr/share/zoneinfo/Europe/Copenhagen /etc/localtime
}

# That causes NTP do generate these errors - I removed anything preceding this because as far as I can see it's irrelevant
...
| make[3]: Nothing to be done for `install-exec-am'.
| make[3]: Nothing to be done for `install-data-am'.
| make[3]: Leaving directory `/mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/ntp-4.2.6p5'
| make[2]: Leaving directory `/mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/ntp-4.2.6p5'
| make[1]: Leaving directory `/mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/ntp-4.2.6p5'
| sed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/etc/init.d/ntpd: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/usr/bin/ntpdate-sync: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/etc/init.d/ntpd: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/usr/bin/ntpdate-sync: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/etc/init.d/ntpd: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/usr/bin/ntpdate-sync: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/etc/init.d/ntpd: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/usr/bin/ntpdate-sync: Operation not supportedsed: warning: failed to get security context of /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/image/usr/bin/ntpdate-sync: Operation not supportedln: failed to create symbolic link `/etc/localtime': File exists
| ERROR: Function failed: do_install (see /mnt/dev/fsl-community-bsp/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ntp/4.2.6p5-r8.0/temp/log.do_install.9932 for further information)
ERROR: Task 565 (/mnt/dev/fsl-community-bsp/sources/meta-openembedded/meta-networking/recipes-support/ntp/ntp_4.2.6p5.bb, do_install) failed with exit code '1'