We recently switched the CI to not disable ptest, but this breaks builds
that use the GCC binaries built by Arm (external-arm-toolchain). This is
because the external-arm-toolchain recipe can't build packages for the
target, and the standard oe-core gcc recipes assume that they're being
built with themselves and make assumptions, specifically that libunwind
was enabled and headers can be copied directly from the sysroot.
This is a bigger problem that should be solved somehow, but for now we
can just remove ptest in the external-gccarm CI jobs which removes gcc
from the builds (it comes in via elfutils-ptest RDEPENDS).
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
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