README: adding info about the opendds_git.bb file and having no network

What can happen when working with DDS :-) Signed-off-by: Jan Vermaete <[email protected]>
OpenDDS · Oct 13, 2024 · 975151d · 975151d
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commit 975151d
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diff --git a/README b/README
@@ -71,3 +71,7 @@ Note that simply providing a different branch and SRCREV may be insufficient.
 If your desired commit is significantly newer than that used for the versioned
 recipe, then the generic build instructions may be insufficient or incorrect.
 
+Note that the _git version of the recipe uses AUTOREV, which requires a network
+connection.  This will not work in environments without network access.((e.g. air-gapped networks).
+To resolve this, the the folloging line to your local.conf file.
+BBMASK += 'meta-opendds/recipes-connectivity/opendds/opendds_git.bb'