On Wed, Oct 10, 2012 at 08:44:17AM -0600, David Coppa wrote:
> 
> Resending this mail cause the damn gmail fscked up my previous
> one...

<snip>

> While doing a build with my diff, for mysterious causes I caught
> another error:

> ../src/x86/ffi64.c:512:0:
>      undefined reference to `ffi_closure_unix64'

I've faced the same issue in mozilla-central which uses its internal
ffi. base gcc doesnt support @unwind sections, newer gccs/clang supports
it, but our base ld doesnt. So yes hacking the configure test to say we
dont support it is the way to go. See my musings in
https://bugzilla.mozilla.org/show_bug.cgi?id=778414

Landry

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