From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 18 Dec 2007 01:08:44 GMT
Subject: Re: FLEX_ARRAY=1 causes SIGSEGV on SPARC
Message-ID: <7vtzmg3j37.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <20071218010126.GP14735@spearce.org>

"Shawn O. Pearce" <spearce@spearce.org> writes:

> I'll try to track it down tomorrow.  But the immediate workaround was
> to just add '-DFLEX_ARRAY=/* empty */' to my CFLAGS and recompile
> the world.  This compiler accepts the empty FLEX_ARRAY macro but
> I'm not sure what feature test(s) would be necessary to make Git
> able to automatically set that, seeing as how the tests defined in
> 8e97 are perfectly reasonable and didn't pass.
> ..., but will try to come up with a reasonable
> detection patch....

Actually I would be more worried about the breakage in FLEX_ARRAY=1 case
than misdetection.  Even if your compiler supports the flexible array
members, the fallback to FLEX_ARRAY=1 ought to work and you are seeing a
case where it doesn't.