[Bug 3193] Need to use CFI_ wrappers to build NPTL with gcc 4.2.1/binutils 2.17

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=3193

--- Comment #2 from Carmelo Amoroso <carmelo.amoroso at st.com>  ---
Indeed, the only cfi pseudo ops that are currently not wrapped are
.cfi_sections.
I had a problem with working on ARM (I've discusses this with Khem, and we
agreed that a wrapper would be useful too).

Even if in this case the support for the .cfi_sections is present starting from
some version of binutils.

So likely in this case a build-time check should be done, to selectively
disable
only the unsupported cfi pseudo-ops... but this is questionable.

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