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5b8fc98b57
cross-unwinding can pass exception across runtimes e.g.
Multi-language applications ( nodejs native modules, python C extensions )
However, cross-unwinding is not default in libcxx for sometime [1]
it requires special handling at runtime by apps who use it
Switch recipe defaults to upstream defaults, which is to turn it off
This means native unwinding ( with in same runtime )
is build by default which is the most common case.
This also fixes libcxx/libunwind build errors
when enabling TC_CXX_RUNTIME = "llvm" on aarch64 particularly
[1] 85624c5de3
(From OE-Core rev: 88e1214e01c48b174aa9516c60e15a0dfb69e10f)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>