[lfs-dev] Libtool & Autoconf test times

Bruce Dubbs bruce.dubbs at gmail.com
Wed Jun 28 19:25:10 PDT 2017


Jonathan Cottrill wrote:
> In Chapter 6, both Libtool and Autoconf mention that the "make check" commands
> take a lot of time (and they do). Since these use Autotest, they don't respect
> the -j flag to make (which LFS builders may have set as the MAKEFLAGS variable
> from the note in section 4.5); however, they *do* respect the TESTSUITEFLAGS
> variable. For example:
>
> make check TESTSUITEFLAGS='-j4'
>
> This helps a great deal; on my VM (quad-core), setting the variable to -j6 (6
> is based on trial and error while watching load averages) results in the
> following time difference:
>
> Libtool: from 16m48s to 6m0s
> Autoconf: from 10m24s to 2m27s
>
> Would that be worth mentioning somewhere in the book, or is it too much
> messing around for builders to worry about?

Thanks you for the report.  I will check that out.

   -- Bruce





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