Re: [SOLVED] dlopen failure on sbcl/macosx

On Tue, 3 Nov 2009, Harald Hanche-Olsen wrote:

> Date: Tue, 03 Nov 2009 19:46:50 -0500 (EST)
> From: Harald Hanche-Olsen <[email protected]>
> To: [email protected]
> Subject: [CLSQL] [SOLVED] dlopen failure on sbcl/macosx
> 
> I found the reason for my problem: My SBCL is built for 64 bits, but
> cc builds for 32 bits on this machine unless I specify -arch x86_64 on
> the command line.
>
> The change below fixed the problem for me. Of course, I would need a
> similar fix for any dynamic library I wish to load; but that will be a
> battle for another day. At least, I now know wherein the problem lay.
>
> (This is of course not the correct fix in general, since it will break
> on 32 bit lisps. I am not sure how to deal with that little problem.)
>
> diff --git a/uffi/Makefile b/uffi/Makefile
> index c1af3f8..4670dd2 100644
> --- a/uffi/Makefile
> +++ b/uffi/Makefile
> @@ -36,7 +36,7 @@ else
> 	cc -G $(object) -o $(shared_lib)
>   else
>     ifneq ($(OS_DARWIN),0)
> -	cc -dynamic -c $(source) -o $(object)
> +	cc -dynamic -arch x86_64 -c $(source) -o $(object)
> 	ld -bundle /usr/lib/bundle1.o -flat_namespace -undefined suppress -o $(base).dylib $(object)
> 	ld -bundle /usr/lib/bundle1.o -flat_namespace -undefined suppress /usr/lib/libz.dylib -o z.dylib
>     else
>
> - Harald

Build a 32-bit chroot if you want such an environment on a 64-bit
machine.

Carlos Konstanski