externalsrc.bbclass: Set BB_DONT_CACHE for non-target recipes

BB_DONT_CACHE was not set for non-virtual recipes where PN != BPN, such
as quilt-native.  Recipes that do not set BBCLASSEXTEND should always
have BB_DONT_CACHE set by externalsrc.

(From OE-Core rev: 4eff427a0ee629a1541a420a9591411648569a97)

(From OE-Core rev: 30b055d2296f060a4ca054d042f353a2153fdd4e)

Signed-off-by: Ola x Nilsson <olani@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass
index c9f5cf767d..78a08c80ad 100644
--- a/meta/classes/externalsrc.bbclass
+++ b/meta/classes/externalsrc.bbclass
@@ -41,8 +41,8 @@ python () {
     # re-parsed so that the file-checksums function for do_compile is run every
     # time.
     bpn = d.getVar('BPN')
-    if bpn == d.getVar('PN'):
-        classextend = (d.getVar('BBCLASSEXTEND') or '').split()
+    classextend = (d.getVar('BBCLASSEXTEND') or '').split()
+    if bpn == d.getVar('PN') or not classextend:
         if (externalsrc or
                 ('native' in classextend and
                  d.getVar('EXTERNALSRC_pn-%s-native' % bpn)) or