[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: FFI on OS X?
From: |
Hans Aberg |
Subject: |
Re: FFI on OS X? |
Date: |
Thu, 3 Mar 2011 10:51:17 +0100 |
On 3 Mar 2011, at 00:14, Andreas Rottmann wrote:
>>>> scheme@(guile-user)> (define libm (dynamic-link "/usr/lib/libm.dylib"))
>>>> ERROR: In procedure dynamic-link: file: "/usr/lib/libm.dylib",
>>>> message: "file not found"
>>>
>>> You should omit the extension, which will be automatically inferred by
>>> Guile (actually ltdl) depending on the system:
>>>
>>> (dynamic-link "/usr/lib/libm")
>>>
>>> or:
>>>
>>> (dynamic-link "libm")
>>
>> None of those work - I checked and rechecked that. Making a soft link
>> ending on ".so", and it works fine. I have seen this before in the
>> Bessel function example.
>>
> This looks like a bug, probably in libtldl. I'd guess that on OS X, it
> is *supposed to* try the .dylib extension instead of .so.
Yes, and try without adding a file name extension.
> Tracing the
> process to see what it actually looks for might be interesting.
I made a softlink ending in .so, and then it worked.
> Another related issue that has come up in IRC is versioning: If I
> understand correctly, it is currently impossible to specify the version
> of the shared object to be used (as one cannot even pass a full filename
> to `dynamic-link').
The full path works, as long as the name of library actually opened ends in .so.
- Re: FFI on OS X?, Ludovic Courtès, 2011/03/02
- Re: FFI on OS X?, Hans Aberg, 2011/03/02
- Re: FFI on OS X?, Ludovic Courtès, 2011/03/02
- Re: FFI on OS X?, Hans Aberg, 2011/03/03
- Re: FFI on OS X?, Ludovic Courtès, 2011/03/03
- Re: FFI on OS X?, Hans Aberg, 2011/03/03
- Re: FFI on OS X?, Ludovic Courtès, 2011/03/03
- Re: FFI on OS X?, Hans Aberg, 2011/03/03
Re: FFI on OS X?, Andreas Rottmann, 2011/03/02