[yocto] nativesdk-gcc tries to link with host

[Paulo Neves]

Hello Raj,

> target sysroot poisoning is naturally not needed we could do that but it is
> not useful, for nativesdk  it behaves like a native gcc except that it prefers
> the libraries from SDK rootfs, now should be limit it to just the
> rootfs and blind
> it from system rootfs .. may be I dont know if thats useful.

In my case it is useful because the machine i use the SDK on, has a
very old glibc 2.12 which misbehaves for a lot of software. An example
is the error I showed you.
I have poisoned the nativesdk-gcc and now I am trying to build an image.