ref-manual: variables: mention new CDN for SSTATE_MIRRORS

(From yocto-docs rev: 57cf137a45070d45d4ae2518d6c45e226166bbee)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 58a763cb3a..5a34ea7856 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -7619,6 +7619,16 @@ system and gives an overview of their function and contents.
              file://.* https://someserver.tld/share/sstate/PATH;downloadfilename=PATH \
              file://.* file:///some-local-dir/sstate/PATH"
 
+      The Yocto Project actually shares the cache data objects built by its
+      autobuilder::
+
+         SSTATE_MIRRORS ?= "file://.* http://cdn.jsdelivr.net/yocto/sstate/all/PATH;downloadfilename=PATH"
+
+      As such binary artifacts are built for the generic QEMU machines
+      supported by the various Poky releases, they are less likely to be
+      reusable in real projects building binaries optimized for a specific
+      CPU family.
+
    :term:`SSTATE_SCAN_FILES`
       Controls the list of files the OpenEmbedded build system scans for
       hardcoded installation paths. The variable uses a space-separated