package_*.bbclass: Ensure OVERRIDES doesn't change sstate signature

Changes to OVERRIDES (e.g. from changing MACHINE) should not change
the sstate signatures of do_package_write_*. Exclude the variable
explicitly in the package classes to avoid this.

(From OE-Core rev: 5826a9260138c437f87ba1a9f84d5c08442b997d)

(From OE-Core rev: 59ccabdfb59a3e0917585dafab7a1e7c71330996)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/package_deb.bbclass

@@ -288,6 +288,9 @@ python do_package_deb () {
         cleanupcontrol(root)
         bb.utils.unlockfile(lf)
 }
+# Otherwise allarch packages may change depending on override configuration
+do_package_deb[vardepsexclude] = "OVERRIDES"
+
 
 SSTATETASKS += "do_package_write_deb"
 do_package_write_deb[sstate-inputdirs] = "${PKGWRITEDIRDEB}"

meta/classes/package_ipk.bbclass

@@ -250,6 +250,8 @@ python do_package_ipk () {
         bb.utils.unlockfile(lf)
 
 }
+# Otherwise allarch packages may change depending on override configuration
+do_package_ipk[vardepsexclude] = "OVERRIDES"
 
 SSTATETASKS += "do_package_write_ipk"
 do_package_write_ipk[sstate-inputdirs] = "${PKGWRITEDIRIPK}"

meta/classes/package_rpm.bbclass

@@ -645,6 +645,8 @@ python write_specfile () {
 
     specfile.close()
 }
+# Otherwise allarch packages may change depending on override configuration
+write_specfile[vardepsexclude] = "OVERRIDES"
 
 python do_package_rpm () {
     # We need a simple way to remove the MLPREFIX from the package name,