问题描述
我正在尝试在yocto项目中添加元虚拟化层。该层取决于openembedded-core和meta-openembedded提供的多层。添加元虚拟化层及其依存关系之后，下面是我的bblayers.conf文件的结构。
I am trying to add the meta-virtualization layer in my yocto project. The layer depends on openembedded-core and multiple layers provided by meta-openembedded. Following is the structure of my bblayers.conf file after adding the meta-virtualization layer and it's dependencies.
BBLAYERS ?= " \
/home/mshehery/Downloads/git/Yocto/poky/meta \
/home/mshehery/Downloads/git/Yocto/poky/meta-yocto \
/home/mshehery/Downloads/git/Yocto/poky/meta-yocto-bsp \
/home/mshehery/Downloads/git/Yocto/poky/meta-oe \
/home/mshehery/Downloads/git/Yocto/poky/meta-virtualization \
/home/mshehery/Downloads/git/Yocto/poky/meta-networking \
/home/mshehery/Downloads/git/Yocto/poky/meta-filesystems \
/home/mshehery/Downloads/git/Yocto/poky/meta-python \
"
但是，当我尝试在元虚拟化层中构建docker时，遇到以下错误
However, when I try to build docker present in the meta-virtualization layer, I encounter the following error
WARNING: Host distribution "Ubuntu-16.04" has not been validated with this version of the build system; you may possibly experience unexpected failures. It is recommended that you use a tested distribution.
Loading cache: 100% |####################################################################################################################################################| ETA: 00:00:00
Loaded 1078 entries from dependency cache.
NOTE: Error during finalise of /home/mshehery/Downloads/git/Yocto/poky/meta-oe/recipes-devtools/tcltk/tk_8.6.6.bb | ETA: --:--:--
ERROR: ParseError at /home/mshehery/Downloads/git/Yocto/poky/meta-oe/recipes-connectivity/libqmi/libqmi_1.16.0.bb:12: Could not inherit file classes/bash-completion.bbclass
如果我没记错的话，当前版本yocto项目使用openembedded作为其构建系统。那么，有没有必要将openembedded-core集成到我的yocto项目中以添加元虚拟化层，或者默认情况下它已经存在于yocto项目中？
If I am not wrong, the current versions of the yocto project use openembedded as their build system. So, is there any need to integrate the openembedded-core into my yocto project to add the meta-virtualization layer, or is it already present in the yocto project by default?
推荐答案
简短的讨论摘要：
-
对所有图层使用相同的发行分支（除非您真的知道自己的工作。
检查在 bblayers.conf 中激活了所有图层。
Check that all your layers are activated in bblayers.conf.
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