lib/oe/sstatesig.py: Exclude common machine specific dependencies from task signatures

Where we have machine specific recipes with well defined behaviour, it makes no sense to rebuild recipes with these as dependencies whenever the machine changes. This patch lists those well behaved recipes and excludes them from the task signatures so we can change MACHINE without invalidating existing PACKAGE_ARCH binaries.

Signed-off-by Richard Purdie <[email protected]>

---

meta/lib/oe/sstatesig.py +4 -0

index 247f592..ee7cbad 100644
@@ -26,6 +26,10 @@ def sstate_rundepfilter(fn, recipename, task, dep, depname):
     if isNative(depname) or isCross(depname) or isNativeSDK(depname):
         return False
 
+    # Exclude well defined machine specific configurations which don't change ABI
+    if depname in ['sysvinit-inittab', 'shadow-securetty', 'opkg-config-base', 'netbase', 'formfactor', 'xserver-xf86-config', 'pointercal', 'base-files']:
+        return False
+
     # Default to keep dependencies
     return True
 

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