[Bug 3166] invalid zip timestamp handling leads to error building bootstrap-javac

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=3166

--- Comment #2 from Ricardo Ribalda <ricardo.ribalda at gmail.com> ---
>> On this patch, I remove the -u option from zip, always replacing the
>> classes inside rt.jar with the classes from openjdk. I cannot think of
>> an scenario where this may fail.

>While I agree we can safely remove the -u, the real issue here is that your >environment is not correctly configured, which may cause problems elsewhere in >the build. Did it work with TZ set?

I am using Yocto (openembedded) as my build system, in theory it should take
care of all the environment variables that could make build not repeatable. I
have already sent a patch (the same) to meta-java and it has been merged
http://git.yoctoproject.org/cgit/cgit.cgi/meta-java/commit/?h=master-next&id=512afef26cfb0092e55f6ff43f0d46957c1e19de 

I will try to take a look to why the timestamps are wrong or why unzip does not
work properly.

On the meantime I do not see why we need the -u option here. Even if the files
are "newer" we want to use the classes compiled by icedtea.

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