Squashed 'yocto-poky/' changes from ea562de..7b86c77

7b86c77 bitbake: bitbake: bb.fetch2.git: Import errno module
e993aa6 bitbake: toaster: hide irrelevant builds in the project builds view
5b4e380 bitbake: data_smart: Ensure OVERRIDES dependencies account for contains()
60d019d bitbake: data_smart: Correctly handle OVERRIDE values set using ??=
701ad76 bitbake: data_smart: When considering OVERRIDE dependencies, do so recursively
4325f6f bitbake: data_smart: Expand overrides cache recursively
3a5e46b bitbake: bb.fetch2.{git, hg}: remove tarball if it needs updating
441f04c bitbake: toaster: Simplify redirects when build page parameters are missing
30f9f79 bitbake: toaster: Fix date range pickers on the project builds page
047245f bitbake: toaster: Show correct builds count on project pages
5528f3a bitbake: toaster: hide irrelevant builds in the project builds view
2bb600a bitbake: tests/fetch.py: Fix recursion failure in url mapping
4c3d4ec bitbake: fetch2/__init__.py: uri_replace regex handling
460e4c2 bitbake: toaster: Don't def a function for each call to build_artifact()
b6d1d2a bitbake: toaster: Avoid unnecessary local to local copy of cooker log
8c63d60 bitbake: toaster: Read correct cooker log path from toasterui
013c030 bitbake: toaster: delete multiple builds cleanup
3165af3 bitbake: data_smart: Separate out update_overridevars into separate function
07aef86 bitbake: cache: Handle spaces and colons in directory names for file-checksums
9679500 autotools.bbclass: mkdir ${B} -> mkdir -p ${B}
c30ee2a perf: mkdir ${B} -> mkdir -p ${B}
d18612a recipetool: add 'newappend' sub-command
4727384 oeqa/sstatetests: Add test for nativesdk stamp invariance with MACHINE
56b2c53 glibc: Ensure OVERRIDES doesn't influence sstate checksum
1884550 image.py: Ensure base image size is an integer
ec72426 python: Add python-misc as rdependency to python-modules
c170f35 cryptodev-tests: don't use STAGING_KERNEL_DIR, fix re-packaging in multi-machine builds
2d7fe03 adwaita-icon-theme: RREPLACE gnome-icon-theme
94d280f mkelfimage: fix owner for /usr/sbin/mkelfImage
3323c3f nspr: fix SRC_URI
935a8bd mkefidisk: Create interactive menu for the script
6c05e6a image.bbclass: add do_rootfs vardeps for {COMPRESS, IMAGE}_CMD_*
82be1f3 squashfs-tools: make it be able to be compiled by gcc5 with "-O0"
dc3bc22 linux-firmware: package Broadcom BCM4354 firmware
db8f796 perf: fix the install-python_ext on upstream kernel
bfe2cd1 systemd: fix missing space in SRC_URI append
2515cf2 python: remove --with-wctype-functions configure option
17f5a5a kmod: fix link creation when base_bindir != /bin
e2cfe93 prelink: Move to latest release
32472dc glibc: don't require bash for nscd init script
d8eb9d4 oeqa/decorators: Added decorator to restart the DUT in case of test hang.
5acf99d init-install-efi.sh: Avoid /mnt/mtab creation if already present

git-subtree-dir: yocto-poky
git-subtree-split: 7b86c771c80d0759c2ca0e57c46c4c966f89c49e
diff --git a/bitbake/lib/bb/data_smart.py b/bitbake/lib/bb/data_smart.py
index 79b4ed9..70558c1 100644
--- a/bitbake/lib/bb/data_smart.py
+++ b/bitbake/lib/bb/data_smart.py
@@ -413,9 +413,11 @@
         self.overrides = None
 
     def need_overrides(self):
-        if self.overrides is None:
-            if self.inoverride:
-                return
+        if self.overrides is not None:
+            return
+        if self.inoverride:
+            return
+        for count in range(5):
             self.inoverride = True
             # Can end up here recursively so setup dummy values
             self.overrides = []
@@ -424,6 +426,13 @@
             self.overridesset = set(self.overrides)
             self.inoverride = False
             self.expand_cache = {}
+            newoverrides = (self.getVar("OVERRIDES", True) or "").split(":") or []
+            if newoverrides == self.overrides:
+                break
+            self.overrides = newoverrides
+            self.overridesset = set(self.overrides)
+        else:
+            bb.fatal("Overrides could not be expanded into a stable state after 5 iterations, overrides must be being referenced by other overridden variables in some recursive fashion. Please provide your configuration to bitbake-devel so we can laugh, er, I mean try and understand how to make it work.")
 
     def initVar(self, var):
         self.expand_cache = {}
@@ -484,10 +493,8 @@
             if '_' in var:
                 self._setvar_update_overrides(base, **loginfo)
 
-
             if base in self.overridevars:
-                self.overridevars.update(self.expandWithRefs(value, var).references)
-                self.internal_finalize(True)
+                self._setvar_update_overridevars(var, value)
             return
 
         if not var in self.dict:
@@ -520,8 +527,21 @@
         self.varhistory.record(**loginfo)
 
         if var in self.overridevars:
-            self.overridevars.update(self.expandWithRefs(value, var).references)
-            self.internal_finalize(True)
+            self._setvar_update_overridevars(var, value)
+
+    def _setvar_update_overridevars(self, var, value):
+        vardata = self.expandWithRefs(value, var)
+        new = vardata.references
+        new.update(vardata.contains.keys())
+        while not new.issubset(self.overridevars):
+            nextnew = set()
+            self.overridevars.update(new)
+            for i in new:
+                vardata = self.expandWithRefs(self.getVar(i, True), i)
+                nextnew.update(vardata.references)
+                nextnew.update(vardata.contains.keys())
+            new = nextnew
+        self.internal_finalize(True)
 
     def _setvar_update_overrides(self, var, **loginfo):
         # aka pay the cookie monster
@@ -628,6 +648,8 @@
 
         if flag == "_defaultval" and '_' in var:
             self._setvar_update_overrides(var, **loginfo)
+        if flag == "_defaultval" and var in self.overridevars:
+            self._setvar_update_overridevars(var, value)
 
         if flag == "unexport" or flag == "export":
             if not "__exportlist" in self.dict: