[gnome-continuous-yocto/gnomeostree-3.28-rocko: 5137/8267] packagegroup-core-lsb: avoid rebuilding when changing layer config

[Emmanuele Bassi <ebassi src gnome org>]

commit bbdbdcaf06354933ad3ff0301e4c42ffeb7e3c61
Author: Paul Eggleton <paul eggleton linux intel com>
Date:   Thu Mar 16 22:09:43 2017 +1300

    packagegroup-core-lsb: avoid rebuilding when changing layer config
    
    It's regrettable that code in here is referring to BBFILE_COLLECTIONS,
    but it is, and the result is that this packagegroup will rebuild simply
    by adding or removing a layer which may be completely unrelated to
    whether you've got meta-qt4 or not. Add BBFILE_COLLECTIONS to
    vardepsexclude for the function to avoid this. (This was flagged up when
    testing the new yocto-compat-layer script - it understandably but
    undesirably reports it as a change caused by a layer).
    
    (From OE-Core rev: 10dc69467677a4ce2a26aa670bbb9c1d7d783a0e)
    
    Signed-off-by: Paul Eggleton <paul eggleton linux intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 .../packagegroups/packagegroup-core-lsb.bb         |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/meta/recipes-extended/packagegroups/packagegroup-core-lsb.bb 
b/meta/recipes-extended/packagegroups/packagegroup-core-lsb.bb
index 3aedf6b..a156bcb 100644
--- a/meta/recipes-extended/packagegroups/packagegroup-core-lsb.bb
+++ b/meta/recipes-extended/packagegroups/packagegroup-core-lsb.bb
@@ -225,6 +225,8 @@ def get_libqt4(d):
                 'libraries. Its intended use is for passing LSB tests as Qt4 is ' \
                 'a requirement for LSB.')
     return ''
+# We don't want this to rebuild every time you change your layer config
+get_libqt4[vardepsexclude] += "BBFILE_COLLECTIONS"
 
 SUMMARY_packagegroup-core-lsb-desktop = "LSB Desktop"
 DESCRIPTION_packagegroup-core-lsb-desktop = "Packages required to support libraries \