[OE-core] [PATCH 2/7] allarch: Fixes to stop rebuilds when change multilibs

[Richard Purdie]

When changing multilibs, allarch recipes should not be rebuilding. This
adds enough variable exclusions to make this work properly. Future
regressions will be prevented with new testing.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/allarch.bbclass | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/meta/classes/allarch.bbclass b/meta/classes/allarch.bbclass
index 208cde6..ddc2a85 100644
--- a/meta/classes/allarch.bbclass
+++ b/meta/classes/allarch.bbclass
@@ -17,6 +17,7 @@ python () {
 
         # Set these to a common set of values, we shouldn't be using them other that for WORKDIR directory
         # naming anyway
+        d.setVar("baselib", "lib")
         d.setVar("TARGET_ARCH", "allarch")
         d.setVar("TARGET_OS", "linux")
         d.setVar("TARGET_CC_ARCH", "none")
@@ -41,6 +42,10 @@ python () {
         d.setVar("EXCLUDE_FROM_SHLIBS", "1")
         d.setVar("INHIBIT_PACKAGE_DEBUG_SPLIT", "1")
         d.setVar("INHIBIT_PACKAGE_STRIP", "1")
+
+        # These multilib values shouldn't change allarch packages so exclude them
+        d.setVarFlag("emit_pkgdata", "vardepsexclude", "MULTILIB_VARIANTS")
+        d.setVarFlag("write_specfile", "vardepsexclude", "MULTILIBS")
     elif bb.data.inherits_class('packagegroup', d) and not bb.data.inherits_class('nativesdk', d):
         bb.error("Please ensure recipe %s sets PACKAGE_ARCH before inherit packagegroup" % d.getVar("FILE", True))
 }
-- 
2.7.4