[lfs-support] glibc test failures. Acceptable?

Bruce Dubbs bruce.dubbs at gmail.com
Mon Oct 28 08:46:37 PDT 2013

Richard wrote:
> Hello experts,
> I am attempting my first LFS build; which will (hopefully) be 7.4,
> built on a host system of slackware-14.
> All went well up until chapter 6. I am unsure as to whether or not
> the errors in the glibc fall into the acceptable variety or not.
> glibc appeared to build well enough. Having tried the test suites
> (with TIMEOUTFACTOR=16 - this is a humble machine), the make - k
> check ends with:

> /source/glibc-build/begin-end-check.out make[1]: Target `check' not
> remade because of errors. make[1]: Leaving directory
> `/source/glibc-2.18'

This is normal.  Some checks always fail so you see that message.

> When I look for just the errors, using 'grep -i error
> glibc-check-log' I find:

> [/source/glibc-build/rt/tst-cputimer1.out] Error 1
> [/source/glibc-build/conform/run-conformtest.out] Error 1

> I have inferred from the book that 'cputimer1' and 'run-conformtest'
> might be 'acceptable' failures, but I was surprised that the test
> suite ended mid-way.

It didn't.  It finished running.

> I am also assuming that glibc is one of the packages that can safely
> be installed to a fake root - then tarballed 'slackware style'? (i.e:
> I am intending that my next step would be make DESTDIR=dest install),
> rather then installing directly.

glibc is the 'Rosetta stone' of the system.   There is rarely a 
requirement to update it.  If you do need to update it, it's time to 
rebuild the whole system.

I went from 2005 to 2012 on one system before I needed to update.

   -- Bruce

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