On Tuesday 09 June 2009, Vikesh Bhoola wrote:
> Thanks for the links.
> While waiting for our order on bzip2,
????
> I tried downloading INFO-Zip
> 3.1b (Beta version) - as Zip 3.0 does not compile. I finally managed
> to compile INFO-ZIP Zip 3.1b to create a ZIP module.
> [snip]
> How do I specify LARGE_FILE_SUPPORT in my compile
What follows is based on the information in the INSTALL file in the
zip31b directory. This may not work, but it's the first step to try.
It looks like the configure script (invoked from the Makefile)
failed to detect that your OS can handle large files. Try the following
to coerce make into setting the LARGE_FILE_SUPPORT and ZIP64_SUPPORT
options.
When you ran make, it should have left a file called flags in your
zip31b directory. You need to edit this - it's one long line with all
the complier/linker flags.
Look for the CFLAGS string - it should look something like this:
CFLAGS="-I. -DUNIX -O3 ... ... ..."
and add " -DLARGE_FILE_SUPPORT " to this string.
Then re-run make, and see if it builds without errors. Try to run
zip to see if it works. Enter "zip -v", and check what special options
it says it was built with. Try to zip a small file.
If zip reported that is was built with ZIP64_SUPPORT - which should
be set automagically if you specified LARGE_FILE_SUPPORT - then you are
ready to try a large (>2GB) file.
If no ZIP64_SUPPORT, go back and edit the flags file again. This
time add " -DZIP64_SUPPORT " to the cFLAGS string. Run make again. If
it builds, try zip out on a small file again, then on a big (>2GB) one.
If you got compile/link errors after forcing these options, or if it
built OK but still fails, let us know what errors you got, and on which
step you got them. Oh, and you might try posting that info to the
Info-ZIP forum also.
> as well as make use
> of the MVS dataset name format ie. -MV=dots ??
It was unclear to me from the forum whether the -MV=dots argument
made it into the 3.1 beta. Did it?
> Has anyone got this part to work or tested on z/OS ?
I haven't had a chance to try this, and probably won't for a couple
of days.
By the way, if you get this working, you will need the new 6.0
release of unzip - just out of beta - to unzip the large files.
Cheers,
Bob
>
> My Zip -v states I've the following :
> Zip special compilation options:
> SYMLINK_SUPPORT (symbolic links supported)
> PASSWD_FROM_STDIN
> Ýencryption, version 2.91 of 05 Jan 2007¨ (modified for Zip
> 3)
>
> Thank you for your assistance.
>
> Kind Regards,
>
> Vikesh
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