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Date:	Fri, 27 Mar 2009 16:45:53 +0000
From:	Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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Subject:	Re: [1.7] Unable to find jpeg_CreateDecompress but linked against cygjpeg-62.dll OK
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Charles Wilson wrote:
> Thrall, Bryan wrote:
>> I recently installed 1.7 (C:\cygwin_1.7) alongside 1.5 (C:\cygwin) on my
>> workstation, then reconfigured and rebuilt my application (vital), which
>> worked just fine under 1.5 but doesn't under 1.7.
> 
>> "Unable to find jpeg_CreateDecompress in cygwin1.dll".
>                                            ^^^^^^^^^^^
> 
>> and cygjpeg-62.dll is executable and exports jpeg_CreateDecompress
>> (according to the Depends tool, which also says vital imports that
>> symbol by name), so I'm at a loss to explain why that symbol isn't being
>> found. Perhaps it is a red herring?
> 
> Did you, by chance, compile with gcc-4, and have -lm on your link
> command? Try either compiling with gcc-3, or remove -lm.

  Or -lpthread.  Yep, this is almost certainly the broken import tables
problem again.

    cheers,
      DaveK

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