local.conf.sample: Document new CDN mirror for sstate

We have a Content Delivery Network available for sstate, document
this in local.conf.sample.

(From meta-yocto rev: 2b2c68717e05f9e644930f576f5197d673b9cef5)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 9 insertions, 3 deletions

diff --git a/meta-poky/conf/templates/default/local.conf.sample b/meta-poky/conf/templates/default/local.conf.sample
index f9cb8aa77d..44b851b9dd 100644
--- a/meta-poky/conf/templates/default/local.conf.sample
+++ b/meta-poky/conf/templates/default/local.conf.sample
@@ -228,15 +228,21 @@ BB_DISKMON_DIRS ??= "\
 # Yocto Project SState Mirror
 #
 # The Yocto Project has prebuilt artefacts available for its releases, you can enable
-# use of these by uncommenting the following lines. This will mean the build uses
+# use of these by uncommenting some of the following lines. This will mean the build uses
 # the network to check for artefacts at the start of builds, which does slow it down
-# equally, it will also speed up the builds by not having to build things if they are
+# initially but it will then speed up the builds by not having to build things if they are
 # present in the cache. It assumes you can download something faster than you can build it
 # which will depend on your network.
 # Note: For this to work you also need hash-equivalence passthrough to the matching server
+# There is a choice between our sstate server directly and a faster content delivery network
+# (CDN) kindly provided by JSDelivr, uncomment one of the SSTATE_MIRRORS lines, not both.
+# Using the CDN rather than the yoctoproject.org address is suggested/preferred.
 #
 #BB_HASHSERVE_UPSTREAM = "hashserv.yocto.io:8687"
-#SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/all/PATH;downloadfilename=PATH"
+#SSTATE_MIRRORS ?= "file://.* http://cdn.jsdelivr.net/yocto/sstate/all/PATH;downloadfilename=PATH"
+#
+###SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/all/PATH;downloadfilename=PATH"
+
 
 #
 # Qemu configuration