diff options
Diffstat (limited to 'documentation')
| -rw-r--r-- | documentation/dev-manual/dev-manual-common-tasks.xml | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml index 4372769..e9555e6 100644 --- a/documentation/dev-manual/dev-manual-common-tasks.xml +++ b/documentation/dev-manual/dev-manual-common-tasks.xml @@ -295,7 +295,7 @@ </para> <para> - Append files must have the same name as the corresponding recipe. + Append files must have the same root name as the corresponding recipe. For example, the append file <filename>someapp_&DISTRO;.bbappend</filename> must apply to <filename>someapp_&DISTRO;.bb</filename>. This means the original recipe and append file names are version number-specific. @@ -304,6 +304,9 @@ During the build process, BitBake displays an error on starting if it detects a <filename>.bbappend</filename> file that does not have a corresponding recipe with a matching name. + See the + <ulink url='&YOCTO_DOCS_REF_URL;#var-BB_DANGLINGAPPENDS_WARNONLY'><filename>BB_DANGLINGAPPENDS_WARNONLY</filename></ulink> + variable for information on how to handle this error. </para> <para> @@ -317,7 +320,7 @@ append file both from the <link linkend='source-directory'>Source Directory</link>. Here is the main formfactor recipe, which is named <filename>formfactor_0.0.bb</filename> and - located in the meta layer at <filename>meta/recipes-bsp/formfactor</filename>: + located in the "meta" layer at <filename>meta/recipes-bsp/formfactor</filename>: <literallayout class='monospaced'> DESCRIPTION = "Device formfactor information" SECTION = "base" @@ -364,10 +367,16 @@ of the reference to <filename>THISDIR</filename>. The trailing colon character is important as it ensures that items in the list remain colon-separated. - <note>BitBake automatically defines the <filename>THISDIR</filename> variable. + <note><para>BitBake automatically defines the + <filename>THISDIR</filename> variable. You should never set this variable yourself. - Using <filename>_prepend</filename> ensures your path will be searched prior to other - paths in the final list. + Using <filename>_prepend</filename> ensures your path will + be searched prior to other paths in the final list.</para> + <para>Also, not all append files add extra files. + Many append files simply exist to add build options + (e.g. <filename>systemd</filename>). + For these cases, it is not necessary to use the + "_prepend" part of the statement.</para> </note> </para> </section> |
