Re: Missing libltdl.3.dylib on OS X 10.7

> On Apr 02 02:34:13, Jerry wrote:
>>
>> On Mar 31, 2012, at 2:14 AM, Jan Stary wrote:
>>
>>> On Mar 31 09:20:46, Jan Stary wrote:
>>>> On Mar 30 17:44:03, Jerry wrote:
>>>>> I recently changed os from OS X 10.6.8 to 10.7.(2|3).
>>>>> Upon doing this, sox quit working.
>>>>> My first inclination was to get a new sox
>>>>> but it doesn't really look like a sox problem:
>>>>>
>>>>>
>>>>> MBPro:~ me$ sox
>>>>> dyld: Library not loaded: /usr/lib/libltdl.3.dylib
>>>>> Referenced from: /usr/local/bin/sox
>>>>> Reason: image not found
>>>>> Trace/BPT trap: 5
>>>>> I do have /usr/lib/libltdl.7.dylib, howeer.
>>>>
>>>> The upgrade of your OS provided some new versions of libraries,
>>>> but probably removed the old version of those libraries, quite foolishly.
>>>>
>>>> (Using sox under both MacOS nad OpenBSD, on the same MacBook,
>>>> i cannot but compare and see that OpenBSD upgrades leave the
>>>> old libraries untouched, precisely for this reason.)
>>>>
>>>> So you are probably right, it's not a SoX problem -
>>>> it's your OS that has broken your SoX installation.
>>>>
>>>> Doesn't matter. Your sox was compiled with a dependency
>>>> on libtdl.3 - and that's missing now.
>>>
>>> To make sure about this, can you 'ls /usr/lib/libltdl*'
>>> (and possible other places such as /usr/local, /opt/local etc)?
>>>
>> OK--possibly too much information (and hope that the lines don't wrap) (See notes below the list):
>>
>>
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.3.1.4.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.3.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.7.1.2.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.7.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.a
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/lib/freeradius/libltdl.3.1.4.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/lib/freeradius/libltdl.3.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/lib/freeradius/libltdl.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/lib/libltdl.7.2.2.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/lib/libltdl.7.dylib
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/lib/libltdl.a
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/lib/libltdl.dylib
>> /Developer/SDKs/MacOSX10.5.sdk/usr/lib/libltdl.3.1.4.dylib
>> /Developer/SDKs/MacOSX10.5.sdk/usr/lib/libltdl.3.dylib
>> /Developer/SDKs/MacOSX10.5.sdk/usr/lib/libltdl.a
>> /Developer/SDKs/MacOSX10.5.sdk/usr/lib/libltdl.dylib
>> /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.3.1.4.dylib
>> /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.3.dylib
>> /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.7.1.2.dylib
>> /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.7.dylib
>> /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.a
>> /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libltdl.dylib
>
> The SoX build does not look into /Applications or /Developer
>
>> /opt/local/lib/libltdl.7.dylib
>> /opt/local/lib/libltdl.a
>> /opt/local/lib/libltdl.dylib
>> /opt/local/lib/libltdl.la
>> /opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports/graphics/graphviz/files/libltdl.patch
>> /usr/lib/libltdl.7.2.2.dylib
>> /usr/lib/libltdl.7.dylib
>> /usr/lib/libltdl.dylib
>
> This is relevant. Indeed, there is no libtdl.3
> which is what your SoX binary was built against.
>
>> * /opt/local is MacPorts (which I installed today for unrelated purposes). (My approach toward MacPorts is that I prefer to not use it if possible because I get angry/frustrated with it and delete it from time to time--too many out-of-date dependencies, usually.)
>
> Well, macports also contains a port of SoX,
> if you are interested :-)
>
>> * /usr/lib/libltdl.7.2.2.dylib and /usr/lib/libltdl.dylib are both symlinks pointing to /usr/lib/libltdl.7.dylib. ***Shouldn't sox just use /usr/lib/libltdl.dylib and let the OS take care of pointing to the correct library?***
>
> This is decided at compile time, not runtime. The build process
> recognizes libltdl.N if found and links the sox binary to it; this
> information, including the library version, is stored in the sox binary,
> and that particular version is requested at runtime.
>
> This is nothing specific to SoX; that's how dynamic libraries work.
> Just recompile against the libltdl you have now.
>
> (BTW, why are you using libltdl at all? Do you configure SoX
> to dlopen() the helper libraries?)