Hi,
I'm trying to build an SDK for an image that uses musl. The problem is
that the environment-setup script in the SDK lacks the -mmusl compiler
flag, so binaries produced by sourcing the environment and running $CC
will not run on the image.
As far as I can see, the flag should have been added by this line in
toolchain-scripts.bbclass:
TARGET_CC_ARCH_append_libc-musl = " -mmusl"
However, the libc-musl override is not set when building
meta-environment, which I've tracked down to this snippet from
cross-canadian.bbclass:
NATIVESDKLIBC ?= "libc-glibc"
LIBCOVERRIDE = ":${NATIVESDKLIBC}"
I had successfully been using a similar setup based on thud, which was
before those two lines were added.
What's the correct fix here? What's the purpose of changing LIBCOVERRIDE
in cross-canadian.bbclass?
Thanks
Dominic
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