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Re^17: if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location

by Anonymous Monk
on Jan 06, 2013 at 08:10 UTC ( #1011845=note: print w/ replies, xml ) Need Help??


in reply to Re^16: if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location
in thread if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location

Could it be that the 0x70000000 needs to be a different value on 64-bit perls ?

Probably not, but I have read in one of those rebase links that rebas-ing should be done @ install time for least conflicts, so you should get more info, check for ImageBase conflicts for all dll's involved (even those in %WINDIR% )

Also try depends.exe Ctrl+O perl.exe , F7 ...foo.pl to see a LoadLibrary trace, maybe you'll see something new, but so far it sounds like the same thing I saw


Comment on Re^17: if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location
Re^18: if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location
by syphilis (Canon) on Jan 06, 2013 at 09:23 UTC
    Thanks guys (Anonymous, Bulk88) - you've given me enough links/thoughts to last a lifewtime ;-).
    I'll poke at this a bit more when time permits.

    Luckily I *can* build PDL::IO::Graphics successfully on both 64-bit and 32-bit perls so long as I build it separately from the PDL build. (However, modifying the Makefile's LDDLFLAGS is a simpler fix, where it works.)

    For my 32-bit perls on this Windows 7 (x64) box I use a mingw.org port of gcc-4.7.0. (It built the perls in question, as well as the plplot library.)
    On a (soon-to-be-retired) Windows Vista (x64) box, I used a mingw.org port of gcc-4.5.2. It, too, had built the 32-bit perls and plplot library on that box - and suffered the same problem (and workaround) wrt PDL::Graphics::PLplot.
    However, the problem seems to affect more perls on the Windows 7 box, than were affected on the Vista box. (For example, iirc, perl-5.12.0 is affected by this on Windows 7, but not on Windows Vista.)

    As regards the x64 builds, on both boxes I have used the same mingw64.sf port of gcc-4.7.0 to build the perls and the plplot library. (I think that more x64 perls are affected by this on the Windows 7 box than on the Vista box ... but I would need to check on that in order to be sure.)

    Cheers,
    Rob

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