[arch-dev-public] bash 4.0 / readline 6.0 rebuilds
allan at archlinux.org
Mon Mar 2 01:43:53 EST 2009
Thomas Bächler wrote:
> Allan McRae schrieb:
>> This is the point of this comment:
>> # Run in minimal chroot to avoid false positives due to dependencies.
>> # Chroot can be built with:
>> # sudo mkarchroot <chrootdir>/root glibc coreutils findutils grep tar
>> So, in your example, if you are testing if libA needs a rebuild due
>> to libC, you only extract libA in your chroot, not libB. The ldd can
>> not chain its way to libC. So ti ends up doing the same thing as
> Now I understand it.
> Still, if you use readelf it does not matter what the environment is,
> you could run it on any system which is not even Arch, or is the wrong
> architecture or anything.
Well, if that did not convince me, this does. I just noticed that
"readelf --dynamic" appears to be a lot faster than "ldd". On my
/usr/bin/*, readelf takes ~0.2sec while ldd takes ~12sec. I will test
this out with an actual run of the script tomorrow.
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