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Diffstat (limited to 'documentation/ref-manual/ref-variables.xml')
-rw-r--r-- | documentation/ref-manual/ref-variables.xml | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml index 778587f..43b387c 100644 --- a/documentation/ref-manual/ref-variables.xml +++ b/documentation/ref-manual/ref-variables.xml @@ -1176,18 +1176,19 @@ Core layer for images cannot be removed a directory that has the same name as the corresponding append file. <note> - When using the <filename>FILESEXTRAPATHS</filename>, + <para>When extending <filename>FILESEXTRAPATHS</filename>, be sure to use the immediate expansion - (<filename>:=</filename>) operator and include - the trailing separating colon character. + (<filename>:=</filename>) operator. Immediate expansion makes sure that BitBake evaluates <filename>THISDIR</filename> at the time the directive is encountered rather than at some later time when expansion might result in a directory that does not - contain the files you need. + contain the files you need.</para> + <para>Also, include the trailing separating colon + character if you are prepending. The trailing colon character is necessary because you are directing BitBake to extend the path by prepending - directories to the search path. + directories to the search path.</para> </note> Here is another common use: <literallayout class='monospaced'> |