multilib.bbclass: fix incorrect TARGET_VENDOR in multilib image

While building multilib extended images such as libXX-core-image-minimal,
the WORKDIR has the same dir with the building of core-image-minimal.

$ ls tmp/work/qemux86_64-poky-linux/ -al
...
drwxrwxr-x  3 jiahongxu jiahongxu 4096 Oct 13 16:01 core-image-minimal
drwxrwxr-x  3 jiahongxu jiahongxu 4096 Oct 16 11:11 lib32-core-image-minimal
...

While image class is inherited, it did not assign OVERRIDES with
'virtclass-multilib-libXXX', so the reason is variable TARGET_VENDOR was
not override for multilib in that situation.

It refers what did for PN and MLPREFIX, and manually do the multilib
override for TARGET_VENDOR in RecipePreFinalise handler.

[YOCTO #6844]

(From OE-Core rev: 7ca012fb3addb11ba3f899efa0619ddd8d3c6946)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/classes/multilib.bbclass b/meta/classes/multilib.bbclass
index 6e143dd70d..2a90d9ef29 100644
--- a/meta/classes/multilib.bbclass
+++ b/meta/classes/multilib.bbclass
@@ -21,6 +21,9 @@ python multilib_virtclass_handler () {
     if bb.data.inherits_class('image', e.data):
         e.data.setVar("MLPREFIX", variant + "-")
         e.data.setVar("PN", variant + "-" + e.data.getVar("PN", False))
+        target_vendor = e.data.getVar("TARGET_VENDOR_" + "virtclass-multilib-" + variant, False)
+        if target_vendor:
+            e.data.setVar("TARGET_VENDOR", target_vendor)
         return
 
     if bb.data.inherits_class('cross-canadian', e.data):