Hi Michael!
On Mon, May 23, 2011 at 8:14 PM, Michael Goetze <mgoe...@mgoetze.net> wrote:
> Hi Pascal,
>
>> I'm assuming that you have libmp3lame0 3.98.4-0.0 packaged by
>> Christian Marillat.
>
> right, I have his package which contains /usr/lib/libmp3lame.so.0 and
> /usr/lib/libmp3lame.so.0.0.0
>
> Here's an strace of what sox tries:
>
> write(2, "Attempting to open LAME encoder "..., 53Attempting to open
> LAME encoder library (libmp3lame).) = 53
> write(2, "\n", 1
> ) = 1
> open("/lib/libmp3lame.la", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/usr/lib/libmp3lame.la", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/usr/local/lib/libmp3lame.la", O_RDONLY) = -1 ENOENT (No such file
> or directory)
> open("/lib/x86_64-linux-gnu/libmp3lame.la", O_RDONLY) = -1 ENOENT (No
> such file or directory)
> open("/usr/lib/x86_64-linux-gnu/libmp3lame.la", O_RDONLY) = -1 ENOENT
> (No such file or directory)
> access("/lib/libmp3lame.so", R_OK) = -1 ENOENT (No such file or
> directory)
> access("/usr/lib/libmp3lame.so", R_OK) = -1 ENOENT (No such file or
> directory)
[...]
Oh! This looks like it may be an upstream issue.
SoX looks for libmp3lame.so but not libmp3lame.so.0.
While it's only a symlink to so.0, the .so is "installed" by
libmp3lame-dev this if you install the latter, it should work.
That being said, having the dev package should not be required.
SoX dev guys: Under Debian and Fedora at least, the .so symlink is
created by the -dev or Devel packages respectively. So I wonder how
other applications using libltdl handle a situation like this. Do they
depend on the -dev/Devel package (which I'd like to avoid at all cost)
or do they workaround the issue by e.g. calling lt_dladvise_ext to get
the OS-specific extension and then look for libname.advised_ext*
before issuing an lt_dlopen on the found files...?
Chris, Doug, Robs, do you have thoughts on this?
Cheers,
-Pascal
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