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Wow, terrific, thanks for the amazingly quick fix for Coco.

I'm also trying to build and try out the RVM patch. It doesn't patch
cleanly against the Lua 5.1.4 sources, so I'm going and cleaning it up
by hand. Mostly this is straightforward. There are a few spots where I'm
stuck though: the Lua 5.1.4 sources have changed
from what the RVM patch is trying to replace. I'm not familiar with
these sources yet, so don't know what's the right merge.

The wiki says that Greg Falcon aka VeLoSo has taken over maintenance of
the RVM patch. Is there any version floating around against the current
Lua sources? Is noone using this patch anymore? From what I've seen on
the mailing list it looks that, though there's no development happening
on it, it's still regarded as a solid and viable option?

On Tue, Sep 08, 2009 at 02:09:08AM +0200, Mike Pall wrote:
> Jim Pryor wrote:
> > [...] and adds -fPIC to the CFLAGS. This is needed to be able to build
> > on x86_64.
> Looks like GCC treats references to assembler functions and static
> C functions differently in PIC mode. Here's the fix:
> Edit lcoco.c and replace the definition of coco_wrap_main plus the
> assembler stuff immediately below it with this code:
> static void coco_wrap_main(void)
> {
>   __asm__ __volatile__ ("\tmovq %r13, %rdi\n\tjmpq *%r12\n");
> }
> I'll release an update to Coco ASAP.
> --Mike

Jim Pryor