diff --git a/documentation/dev-manual/dev-manual-newbie.xml b/documentation/dev-manual/dev-manual-newbie.xml
index 1245345cc4..3d4a9b225f 100644
--- a/documentation/dev-manual/dev-manual-newbie.xml
+++ b/documentation/dev-manual/dev-manual-newbie.xml
@@ -520,9 +520,10 @@
Build Directory:
- This term refers to the area used by the OpenEmbedded build system for builds.
- The area is created when you source the setup
- environment script that is found in the Source Directory
+ This term refers to the area used by the OpenEmbedded build
+ system for builds.
+ The area is created when you source the
+ setup environment script that is found in the Source Directory
(i.e. &OE_INIT_FILE;
or
oe-init-build-env-memres).
@@ -566,7 +567,22 @@
$ source $HOME/poky/&OE_INIT_FILE; $HOME/mybuilds/YP-&POKYVERSION;
-
+
+ By default, the Build Directory contains
+ TMPDIR,
+ which is a temporary directory the build system uses for
+ its work.
+ TMPDIR cannot be under NFS.
+ Thus, by default, the Build Directory cannot be under NFS.
+ However, if you need the Build Directory to be under NFS,
+ you can set this up by setting TMPDIR
+ in your local.conf file
+ to use a local drive.
+ Doing so effectively separates TMPDIR
+ from TOPDIR, which is the Build
+ Directory.
+
+
Build System:
In the context of the Yocto Project,
this term refers to the OpenEmbedded build system used by the project.
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index ceb92c9cb6..7d038cb436 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -7318,6 +7318,9 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
#TMPDIR = "${TOPDIR}/tmp"
+ An example use for this scenario is to set
+ TMPDIR to a local disk, which does
+ not use NFS, while having the Build Directory use NFS.