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Date:	Tue, 06 Apr 2010 19:22:31 +0200
From:	Reini Urban <rurban AT x-ray DOT at>
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To:	cygwin AT cygwin DOT com
Subject:	Re: Prob installing Perl DBI - can't find cygperl5_10.dll on 1.7.3
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David Vergin schrieb:
> g++ --shared -Wl,--enable-auto-import -Wl,--export-all-symbols
> -Wl,--stack,8388608 -Wl,--e
> nable-auto-image-base -L/usr/local/lib -fstack-protector DBI.o -o
> blib/arch/auto/DBI/DBI.dl
> l \
> /usr/lib/perl5/5.10/i686-cygwin/CORE/cygperl5_10.dll \
>
> g++.exe: /usr/lib/perl5/5.10/i686-cygwin/CORE/cygperl5_10.dll: No such
> file or directory
> make: *** [blib/arch/auto/DBI/DBI.dll] Error 1
> -------------8<----------------------------------------------
>
> So... cygperl5_10.dll seems to be inaccessable. Let's copy/paste the
> full path into an 'ls' command and take a look:
> -------------8<----------------------------------------------
> admin AT DavidDell ~/DBI-1.609
> $ ls -l /usr/lib/perl5/5.10/i686-cygwin/CORE/cygperl5_10.dll
> lrwxrwxrwx 1 admin root 24 2010-04-05 15:47
> /usr/lib/perl5/5.10/i686-cygwin/CORE/cygperl5_10.dll ->
> /usr/bin/cygperl5_10.dll
> -------------8<----------------------------------------------
>
> It's a link. Okay, let's look at the actual file:
> -------------8<----------------------------------------------
> admin AT DavidDell ~/DBI-1.609
> $ ls -l /usr/bin/cygperl5_10.dll
> -rwxr-xr-x 1 admin root 1590565 2009-12-19 08:20 /usr/bin/cygperl5_10.dll
> -------------8<----------------------------------------------
>
> That looks to me like it should be accessable. I've deleted the entire
> cygwin directory a couple times, re-installed cygwin, and started fresh
> again. Same result each time.
>
> Am I miss-reading the meaning of the error message?

No. Strange.

> Does g++ dislike following links? It would be easy to replace the link
> with a dup copy of the file, but that could break stuff like future
> updates to cygwin itself so I'd rather not go there unless advised so by
> well-practiced cygwinians.

I do that symlink trick since a few years with success.

Maybe your g++.exe or ld.exe is mingw? The mingw linker does not 
understand cygwin symlinks.

You can try to copy the dll to the CORE dir instead.


> This seems so straight-forward; I am out of things to investigate or try.
>
> I can find no reference to this issue on the entire GoogleWeb. (Not to
> say the cygwin.com site). Is it perhaps new with 1.7.3?
>
> Any solutions, clues, advice, diagnostics to try, manual references,
> etc. would be greatly appreciated. Getting up and running with a working
> perl-mysql connection is, um, sorta crucial to a lot of stuff for me.
-- 
Reini Urban
http://phpwiki.org/  http://murbreak.at/

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