allarch: Fixes to stop rebuilds when change multilibs

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@linuxfoundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/meta/classes/allarch.bbclass b/meta/classes/allarch.bbclass
index 208cde6e5e..ddc2a85050 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))
 }