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| -rw-r--r-- | docs/getting-started/image-workflow-cust-build.md | 17 |
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diff --git a/docs/getting-started/image-workflow-cust-build.md b/docs/getting-started/image-workflow-cust-build.md index 2e712a5..3b2355b 100644 --- a/docs/getting-started/image-workflow-cust-build.md +++ b/docs/getting-started/image-workflow-cust-build.md @@ -117,3 +117,20 @@ For the AGL build you can set the download directory by adding the following to ```bash DL_DIR = "${HOME}/workspace_agl/downloads" ``` + +## Using a Shared State (sstate) Mirror + +The underlying Yocto Project build system uses Shared State Mirrors to cache +artifacts from previous builds. +You can significantly speed up builds and guard against fetcher failures by +using mirrors. +To use mirrors, add this line to your `local.conf` file in the Build directory: + +``` +SSTATE_MIRRORS_append = " file://.* https://download.automotivelinux.org/sstate-mirror/master/${DEFAULTTUNE}/PATH \n " +``` + +You can learn more about shared state and how it is used in the +"[Shared State Cache](https://yoctoproject.org/docs/2.4.4/ref-manual/ref-manual.html#shared-state-cache)" +section of the Yocto Project Reference Manual. + |