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Diffstat (limited to 'documentation')
| -rw-r--r-- | documentation/ref-manual/ref-classes.xml | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml index a6e5ed6d4d..9fef0fc5f7 100644 --- a/documentation/ref-manual/ref-classes.xml +++ b/documentation/ref-manual/ref-classes.xml @@ -1314,28 +1314,35 @@ <title><filename>image_types.bbclass</filename></title> <para> - The <filename>image_types</filename> class defines all of - the standard image output types that you can enable through the + The <filename>image_types</filename> class defines all of the + standard image output types that you can enable through the <link linkend='var-IMAGE_FSTYPES'><filename>IMAGE_FSTYPES</filename></link> variable. - You can use this class as a reference on how to add support for custom - image output types. + You can use this class as a reference on how to add support for + custom image output types. </para> <para> - By default, this class is enabled through the - <link linkend='var-IMAGE_CLASSES'><filename>IMAGE_CLASSES</filename></link> - variable in - <link linkend='ref-classes-image'><filename>image.bbclass</filename></link>. - If you define your own image types using a custom BitBake class and - then use <filename>IMAGE_CLASSES</filename> to enable it, the custom - class must either inherit <filename>image_types</filename> or - <filename>image_types</filename> must also appear in - <filename>IMAGE_CLASSES</filename>. + By default, the + <link linkend='ref-classes-image'><filename>image</filename></link> + class automatically enables the <filename>image_types</filename> class. + The <filename>image</filename> class uses the + <filename>IMGCLASSES</filename> variable as follows: + <literallayout class='monospaced'> + IMGCLASSES = "rootfs_${IMAGE_PKGTYPE} image_types ${IMAGE_CLASSES}" + IMGCLASSES += "${@['populate_sdk_base', 'populate_sdk_ext']['linux' in d.getVar("SDK_OS")]}" + IMGCLASSES += "${@bb.utils.contains_any('IMAGE_FSTYPES', 'live iso hddimg', 'image-live', '', d)}" + IMGCLASSES += "${@bb.utils.contains('IMAGE_FSTYPES', 'container', 'image-container', '', d)}" + IMGCLASSES += "image_types_wic" + IMGCLASSES += "rootfs-postcommands" + IMGCLASSES += "image-postinst-intercepts" + inherit ${IMGCLASSES} + </literallayout> </para> <para> - This class also handles conversion and compression of images. + The <filename>image_types</filename> class also handles conversion and + compression of images. <note> To build a VMware VMDK image, you need to add "wic.vmdk" to <filename>IMAGE_FSTYPES</filename>. |