[Bug libctf/29547] binutils-2.39: fails to build against cctools nm (no '-B' option support)

[slyich at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29547

--- Comment #2 from Sergei Trofimovich <slyich at gmail dot com> ---
(In reply to Nick Alcock from comment #1)
> Adding an exit status test seems like a good idea, yes. I'll do that in the
> next few days (busy, but this is easy and machine time is cheap).
> 
> I don't have access to a Darwin machine and the compile farm obviously
> doesn't have any -- could you check that the result works once I have
> something?

Yeah, I should be able to test possible fixes.

> (The reason for the oddness of this test is simply that we have to run nm on
> *something*, and many implementations forbid running it on /dev/null, and
> *correct* output on every implementation I have seen includes the file name.
> Of course, multi-line error messages might too... oops. I hope an exit
> status test will suffice to avoid that.)

Oh, would it also fail if nm happens to be a shell wrapper itself? I was about
to wrap it for another unrelated reason.

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