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On 01/08/2014 03:27 PM, Robin H. Johnson wrote:
> On Wed, Jan 08, 2014 at 09:14:43PM +0100, Peter Stuge wrote:
>> Robin H. Johnson wrote:
>>> Comments:
>>> ---------
>>> In bug #4411, comment 43, vapier noted:
>>>> any package that does dlopen("libfoo.so") without the version info like
>>>> ".so.X" is broken.
>>> In this case, the lt_dlopenext consumer is explicitly testing multiple
>>> versions of libusb at runtime, and picking the correct interface:
>>> it doesn't need to depend on a specific version.
>> vapier is still correct and the consumer is indeed broken, it does
>> too need to specify the .so version in the dlopen() call, at least
>> in the case of libusb.
>>> This is also because the lt_dlopenext interface does NOT accepted
>>> files versioned after the .so: it needs the filename with no extensions.
>> Hm, that seems limited?
> It's NOT calling dlopen directly. It's calling the lt_dlopenext
> interface from libtool. That iterates over the possible combinations
> that end with ".so", and never iterates over the numbered suffixes.
>
> lt_dlforeachfile actully complicates it even more, but also doesn't see
> the numbered suffixes.
>
> So should you're saying that we need to change libtool's code now?
>
Or we could just stop randomly moving libs across the system and
breaking things then hackmeating things back to a "working" state with
gen_ld_script.
The whole reason for having gen_ld_script is because people wanted
dynamic libs in / and static libs in /usr (which seems insane) and it
broke everything (because that idea is insane). Maybe we could just
install all the libs together (either / or /usr) and stop pretending
that what we are doing isn't wrong?
Just my 0.02$
- -Zero
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