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Date: Sat, 15 Jan 2011 16:09:31 -0500
From: Rafael Kitover <rkitover AT cpan DOT org>
Reply-To: rkitover AT cpan DOT org
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To: cygwin AT cygwin DOT com
Subject: Re: More Weird Perl .dll Errors
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Hi Reini,

I'm not having any luck:

$ perl -MClass::XSAccessor -le 1
Can't load 
'/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/XSAccessor.dll' 
for module Class::X
SAccessor: No such file or directory at 
/usr/lib/perl5/5.10/i686-cygwin/XSLoader.pm line 70.
  at /usr/lib/perl5/site_perl/5.10/i686-cygwin/Class/XSAccessor.pm line 11
Compilation failed in require.
BEGIN failed--compilation aborted.

$ perlrebase
...
ReBaseImage 
(/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/XSAccessor.dll) 
failed with last e
rror = 6

$ ls -l 
/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/XSAccessor.dll
-rwxr-xrwx 1 rkitover None 500002 Jan 15 15:41 
/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/
XSAccessor.dll

$ peflags 
/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/XSAccessor.dll
/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/XSAccessor.dll: 
coff(0x2106) pe(0x8000)

$ imagebase 
/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/XSAccessor.dll
68640000

$ ldd 
/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/XSAccessor/XSAccessor.dll
         ntdll.dll => /cygdrive/c/Windows/SysWOW64/ntdll.dll (0x77480000)
         kernel32.dll => /cygdrive/c/Windows/syswow64/kernel32.dll 
(0x75530000)
         KERNELBASE.dll => /cygdrive/c/Windows/syswow64/KERNELBASE.dll 
(0x74d70000)

On 1/14/2011 12:00 PM, Reini Urban wrote:
> 2011/1/14 Rafael Kitover:
>> I tried both peflagsall and rebaseall with a -T list including all .dlls
>> under /usr/lib/perl5 as well as /usr/bin/cygperl5_10.dll
>>
>> But the error for MOP.dll persists.
>
> The Class::MOP and Sub::Name dll's are different beasts.
> If they do not load, (even windows refuses to load them apparently)
> you'll have to recompile them, followed by a perlrebase.
>
>> I'm not sure that when I tried the rebaseall it ran through to completion,
>> because it gave me this error:
>>
>> FixImage (/usr/x86_64-w64-mingw32/sys-root/mingw/bin/libgcc_s_sjlj-1.dll)
>> failed with last error = 13
>
> You have to exclude all mingw dll's from rebaseall.
> This will be fixed in the next rebase package.
>
>> This is Windows 7 64bit
>>
>> On 1/14/2011 4:35 AM, Matthias Andree wrote:
>>> Am 14.01.2011 10:21, schrieb Rafael Kitover:
>>>>
>>>> Something weird happened to my Class::MOP .dll :
>>>>
>>>> $ perl -MClass::MOP -le 1
>>>> Can't load
>>>> '/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/MOP/MOP.dll' for
>>>> module Class::MOP: No such fi
>>>> le or directory at /usr/lib/perl5/5.10/i686-cygwin/XSLoader.pm line 70.
>>>>    at /usr/lib/perl5/site_perl/5.10/i686-cygwin/Class/MOP.pm line 38
>>>> Compilation failed in require.
>>>> BEGIN failed--compilation aborted.
>>>>
>>>> If I try to run perlrebase, I get this:
>>>>
>>>> ...
>>>> /usr/lib/perl5/5.10/i686-cygwin/auto/Time/Piece/Piece.dll: new base =
>>>> 57900000, new size = 10000
>>>> /usr/lib/perl5/5.10/i686-cygwin/auto/Unicode/Normalize/Normalize.dll:
>>>> new base = 57910000, new size = 50000
>>>> /usr/lib/perl5/5.10/i686-cygwin/auto/Win32/Win32.dll: new base =
>>>> 57960000, new size = 20000
>>>> /usr/lib/perl5/5.10/i686-cygwin/auto/Win32API/File/File.dll: new base =
>>>> 57980000, new size = 30000
>>>> ReBaseImage
>>>> (/usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/MOP/MOP.dll)
>>>> failed with last error = 6
>
> Either no write+exec permission or broken dependency.
>
>>>> I tried doing a "notest force install Class::MOP" in CPAN shell, same
>>>> error after the installation finishes.
>
> If it's not the perm (unlikely), check the imagebase of your new dll:
>
> $ cat ~/bin/imagebase
> #!/bin/sh
> objdump -p $1 |grep ImageBase |cut -c12-
>
> $ imagebase /usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/MOP/MOP.dll
> 66c00000
>
> And check the bases of the dependant dll's also: Anything below
> 0x4000_0000 is broken.
>
> $ ldd /usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Class/MOP/MOP.dll
>          ntdll.dll =>  /cygdrive/c/Windows/SYSTEM32/ntdll.dll (0x778b0000)
>          kernel32.dll =>  /cygdrive/c/Windows/system32/kernel32.dll (0x777d0000)
>          KERNELBASE.dll =>  /cygdrive/c/Windows/system32/KERNELBASE.dll
> (0x75cb0000)
>          cygwin1.dll =>  /usr/bin/cygwin1.dll (0x61000000)
>          ADVAPI32.DLL =>  /cygdrive/c/Windows/system32/ADVAPI32.DLL (0x77730000)
>          msvcrt.dll =>  /cygdrive/c/Windows/system32/msvcrt.dll (0x76600000)
>          sechost.dll =>  /cygdrive/c/Windows/SYSTEM32/sechost.dll (0x767e0000)
>          RPCRT4.dll =>  /cygdrive/c/Windows/system32/RPCRT4.dll (0x766b0000)
>          cyggcc_s-1.dll =>  /usr/bin/cyggcc_s-1.dll (0x67f00000)
>          cygperl5_10.dll =>  /usr/bin/cygperl5_10.dll (0x56010000)
>          cygcrypt-0.dll =>  /usr/bin/cygcrypt-0.dll (0x694d0000)
>          cygssp-0.dll =>  /usr/bin/cygssp-0.dll (0x67280000)
>          SspiCli.dll =>  /cygdrive/c/Windows/system32/SspiCli.dll (0x75910000)
>
>>>> I tried rebooting and running perlrebase again, same error.
>>>
>>> Try rebaseall, or if you're under Vista or 7, peflagsall.

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