Re: [Gtk-osx-users] Symbol not found: _iconv on LION



On Jul 21, 2011, at 1:11 PM, John Ralls wrote:

> 
> On Jul 21, 2011, at 9:22 AM, John Ralls wrote:
> 
>> 
>> On Jul 21, 2011, at 2:26 AM, Richard Procter wrote:
>> 
>>> 
>>> On 21/07/2011, at 3:53 PM, Olivier Sessink wrote:
>>> 
>>>> Hi all,
>>>> 
>>>> I've received various reports from users that have upgraded to Lion that 
>>>> Bluefish won't start anymore:
>>>> 
>>>> Dyld Error Message:
>>>> Symbol not found: _iconv
>>>> Referenced from: /usr/lib/libcups.2.dylib
>>>> Expected in: 
>>>> /Applications/Bluefish.app/Contents/Resources/lib/libiconv.2.dylib
>>>> in /usr/lib/libcups.2.dylib
>>>> 
>>>> I don't really understand this message, /usr/lib/libcups.2.dylib 
>>>> references a function in 
>>>> /Applications/Bluefish.app/Contents/Resources/lib/libiconv.2.dylib ??
>>> 
>>> Not directly, but if the dynamic linker is configured to prefer your bundled libiconv then that is what it will be linked against at runtime. See dyld(1) and DYLD_LIBRARY_PATH. 
>> 
>> Unfortunately, not so easy. Once the libiconv in the bundle is loaded, dyld won't load any other ones, so you still get the error from libcups.
>> 
>> Having dl'd the sources for Apple's libiconv, it appears to have diverged substantially from gnu's. I originally included libiconv into the gtk-osx build because of problems with x86_64; that turns out to have been the wrong solution.
>> 
>> I think the solution is to remove libiconv and rebuild everything; the automake macro which (incorrectly) decides that it's gnu-compatible will have to be fixed.
> 
> Spoke too soon: Attached is a patch to libiconv that corrects the missing symbols. It's not workable upstream as-is, though, so don't go filing a bug against libiconv with that patch. I still think the problem is better addressed by forcing everything to work with iconv_foo instead of libiconv_foo if that's achievable.
> 
> Unfortunately for Gnucash and anything else that uses it, there's another crash in libgdk-quartz. I need to debug it a bit more and then file a bug against Gtk; I'll report the bug number when I have it.

Sorry, forgot the attachment.

Regards,
John Ralls

Attachment: libiconv_apple.patch
Description: Binary data







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