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From: Gary Thomas <gary@mlbassoc.com>
To: "Robert P. J. Day" <rpjday@crashcourse.ca>
Cc: Yocto discussion list <yocto@yoctoproject.org>
Subject: Re: why do numerous .bb files set "PARALLEL_MAKE"?
Date: Fri, 04 Nov 2011 10:05:08 -0600	[thread overview]
Message-ID: <4EB40D34.4030109@mlbassoc.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1111041153170.6678@localhost6.localdomain6>

On 2011-11-04 09:57, Robert P. J. Day wrote:
>
>    stumbled over this so i did a more thorough search:
>
> $ grep -w PARALLEL_MAKE $(find . -name *.bb)
> ./meta/recipes-qt/qt-apps/qmmp_0.5.1.bb:PARALLEL_MAKE = ""
> ./meta/recipes-core/eggdbus/eggdbus_0.6.bb:PARALLEL_MAKE = ""
> ./meta/recipes-core/gettext/gettext_0.16.1.bb:PARALLEL_MAKE = ""
> ./meta/recipes-core/gettext/gettext_0.18.1.1.bb:#PARALLEL_MAKE = ""
> ./meta/recipes-bsp/pciutils/pciutils_3.1.7.bb:PARALLEL_MAKE = ""
> ./meta/recipes-extended/sat-solver/sat-solver_git.bb:PARALLEL_MAKE=""
> ./meta/recipes-extended/bash/bash_3.2.48.bb:PARALLEL_MAKE = ""
> ./meta/recipes-extended/tcp-wrappers/tcp-wrappers_7.6.bb:PARALLEL_MAKE = ""
> ./meta/recipes-extended/groff/groff_1.20.1.bb:PARALLEL_MAKE = ""
> ... more snipped ...
>
>    why are individual recipes setting PARALLEL_MAKE to the empty
> string?  it's a *build* option, why would it have any relevance to
> individual .bb files?

These recipes don't support random ordering of some operations, thus
they are forcing make to run single-threaded.

>
>    conversely, i don't see a single .bb file that sets
> BB_NUMBER_THREADS.  the above just looks ... odd.

I think that setting this variable in a recipe would not have any effect.

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------


  parent reply	other threads:[~2011-11-04 16:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-04 15:57 why do numerous .bb files set "PARALLEL_MAKE"? Robert P. J. Day
2011-11-04 16:03 ` Joshua Lock
2011-11-04 16:06   ` Robert P. J. Day
2011-11-04 16:10   ` Chris Larson
2011-11-04 16:05 ` Gary Thomas [this message]
2011-11-04 16:07 ` Martin Jansa
2011-11-04 16:12   ` Robert P. J. Day
2011-11-07 10:22   ` Richard Purdie

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