diff options
Diffstat (limited to 'handbook')
| -rw-r--r-- | handbook/introduction.xml | 11 | ||||
| -rw-r--r-- | handbook/ref-variables.xml | 10 |
2 files changed, 17 insertions, 4 deletions
diff --git a/handbook/introduction.xml b/handbook/introduction.xml index 291ed5d21..7de74673f 100644 --- a/handbook/introduction.xml +++ b/handbook/introduction.xml @@ -196,9 +196,14 @@ $ runqemu qemuarm <para> To build for other machines see the <glossterm><link - linkend='var-MACHINE'>MACHINE</link></glossterm> variable in build/conf/local.conf - which also contains other configuration information. The images/kernels built - by Poky are placed in the <filename class="directory">tmp/deploy/images</filename> + linkend='var-MACHINE'>MACHINE</link></glossterm> variable in build/conf/local.conf. + This file contains other useful configuration information and the default version + has examples of common setup needs and is worth + reading. To take advantage of multiple processor cores to speed up builds for example, set the + <glossterm><link linkend='var-BB_NUMBER_THREADS'>BB_NUMBER_THREADS</link></glossterm> + and <glossterm><link linkend='var-PARALLEL_MAKE'>PARALLEL_MAKE</link></glossterm> variables. + + The images/kernels built by Poky are placed in the <filename class="directory">tmp/deploy/images</filename> directory. </para> diff --git a/handbook/ref-variables.xml b/handbook/ref-variables.xml index a3590e107..4beb0cf35 100644 --- a/handbook/ref-variables.xml +++ b/handbook/ref-variables.xml @@ -66,7 +66,7 @@ <glossentry id='var-BB_NUMBER_THREADS'><glossterm>BB_NUMBER_THREADS</glossterm> <glossdef> - <para>Number of BitBake threads</para> + <para>The maximum number of tasks BitBake should run in parallel at any one time</para> </glossdef> </glossentry> @@ -483,6 +483,14 @@ </glossdef> </glossentry> + <glossentry id='var-PARALLEL_MAKE'><glossterm>PARALLEL_MAKE</glossterm> + <glossdef> + <para>Extra options that are passed to the make command during the + compile tasks. This is usually of the form '-j 4' where the number + represents the maximum number of parallel threads make can run.</para> + </glossdef> + </glossentry> + <glossentry id='var-PN'><glossterm>PN</glossterm> <glossdef> <para>Name of package. |