bitbake: HOB: MACHINE should be saved in conf files using ?=

MACHINE var is saved using early assignment operator.
Calling  MACHINE=x bitbake core-image-... works properly.
Comment "#added by bitbake" is replaced with "#added by hob".

[YOCTO #5070]
(Bitbake rev: 2d0ec8ff083b636a6cf98de3278900eb95c3def6)

Signed-off-by: Valentin Popa <valentin.popa@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/bitbake/lib/bb/ui/crumbs/hobeventhandler.py b/bitbake/lib/bb/ui/crumbs/hobeventhandler.py
index ef74e563f9..3f5bebaca3 100644
--- a/bitbake/lib/bb/ui/crumbs/hobeventhandler.py
+++ b/bitbake/lib/bb/ui/crumbs/hobeventhandler.py
@@ -315,7 +315,7 @@ class HobHandler(gobject.GObject):
 
     def set_machine(self, machine):
         if machine:
-            self.set_var_in_file("MACHINE", machine, "local.conf")
+            self.early_assign_var_in_file("MACHINE", machine, "local.conf")
 
     def set_sdk_machine(self, sdk_machine):
         self.set_var_in_file("SDKMACHINE", sdk_machine, "local.conf")
@@ -472,6 +472,11 @@ class HobHandler(gobject.GObject):
         self.server.runCommand(["setVarFile", var, val, default_file, "set"])
         self.runCommand(["disableDataTracking"])
 
+    def early_assign_var_in_file(self, var, val, default_file=None):
+        self.runCommand(["enableDataTracking"])
+        self.server.runCommand(["setVarFile", var, val, default_file, "earlyAssign"])
+        self.runCommand(["disableDataTracking"])
+
     def append_var_in_file(self, var, val, default_file=None):
         self.server.runCommand(["setVarFile", var, val, default_file, "append"])