Hey there! Let's break down why you can't find the gRPC recipe in your cloned Poky repo and how to fix it:

Possible Reasons #

• The gRPC recipe for version 1.4.3 is no longer present in the Poky master branch (which tracks the latest development code). Yocto regularly updates recipes to newer versions or moves some to dedicated layers as the project evolves.
• The gRPC recipe might have been moved from Poky's core meta layer to the meta-oe sublayer of meta-openembedded (a common layer repository for additional recipes).

Step-by-Step Fixes #

1. Check Older Poky Stable Branches #

If you specifically need the 1.4.3 version of gRPC, it was likely part of an older Yocto release branch. Try switching to a compatible branch:

• First, check your current branch:

  git branch
  

• Switch to an older stable branch (e.g., thud which corresponds to Yocto 2.6, where 1.4.3 was included):

  git checkout thud
  

• Now look again in meta/recipes-support—you should find the grpc folder and grpc_1.4.3.bb file.

2. Add the Meta-OpenEmbedded Layer (For Latest gRPC Versions) #

If you want the latest gRPC recipe or it's no longer in Poky's core layers:

1. Clone the meta-openembedded repository:

   git clone git://git.openembedded.org/meta-openembedded
   

2. Initialize your Yocto build environment (if you haven't already):

   source oe-init-build-env
   

3. Open conf/bblayers.conf in a text editor, and add the path to the meta-oe sublayer:

   BBLAYERS += "${TOPDIR}/../meta-openembedded/meta-oe"
   

4. You can now verify the gRPC recipe exists using:

   bitbake-layers find-recipe grpc
   

   This will show you the exact location of the recipe in the meta-oe layer.

3. Verify Recipe Existence with Yocto Commands #

If you're unsure where the recipe lives, run this command in your build environment to search all enabled layers:

bitbake-layers show-recipes grpc

It will list all available gRPC recipes and their corresponding layers.

内容的提问来源于stack exchange，提问作者Happy