[oe] [meta-java][PATCH] openjdk-8-common: fix inline python

[Dan McGregor]

From: Daniel McGregor <daniel.mcgregor at vecima.com>

Ensure that the inline python doensn't try to expand a non-existant
variable.

Signed-off-by: Daniel McGregor <daniel.mcgregor at vecima.com>
---
 recipes-core/openjdk/openjdk-8-common.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/recipes-core/openjdk/openjdk-8-common.inc b/recipes-core/openjdk/openjdk-8-common.inc
index 089f907..4a2af6f 100644
--- a/recipes-core/openjdk/openjdk-8-common.inc
+++ b/recipes-core/openjdk/openjdk-8-common.inc
@@ -274,7 +274,9 @@ def version_specific_cflags(d):
     if int(version) >= 4:
         extraflags = d.getVar('FLAGS_GCC%d' % int(version), True)
 
-    return ''.join(extraflags)
+    if extraflags:
+        return ''.join(extraflags)
+    return ''
 
 CFLAGS_append = " ${@version_specific_cflags(d)}"
 CXXFLAGS_append = " ${@version_specific_cflags(d)}"
-- 
2.9.1