libffi on OpenBSD x86

[Thomas Heller]

Anthony Green <green@redhat.com> writes:

> On Wed, 2004-10-20 at 06:00, Thomas Heller wrote:
>> but it seems the stack smashing protection that OpenBSD uses prevents
>> ffi_call from working correctly.
>> I found the -fno-stack-protector command line option for gcc, and
>> specifying this did the trick.
>> 
>> Now I'm not sure if there is a pragma which allows to disable the stack
>> protector from within the C source file, or should it be added to
>> libffi/configure somehow, or is there a way to pass this switch when
>> running libffi/configure?
>
> IIRC, this flag comes from a set of third-party GCC patches.  It would
> certainly be easiest for the maintainer of those patches to cover the
> libffi directory as well.
>
> Alternatively, you can try setting CFLAGS_FOR_TARGET at the top-level
> when you make libffi.

Currently I'm setting CFLAGS=-fno-stack-protector.
What's different with CFLAGS_FOR_TARGET?

Thomas