[gnome-continuous-yocto/gnomeostree-3.28-rocko: 2470/8267] bitbake: build: Allow dirs/cleandirs to work for empty functions

[Emmanuele Bassi <ebassi src gnome org>]

commit 53b1fa2d3e1244c46a705d9a40ca0dbee92eab98
Author: Richard Purdie <richard purdie linuxfoundation org>
Date:   Wed Sep 14 22:29:43 2016 +0100

    bitbake: build: Allow dirs/cleandirs to work for empty functions
    
    Users are surprised when dirs/cleandirs aren't acted upon for
    empty functions. This reorders the code slightly so that those
    flags are acted upon for empty functions as there are cases where
    this is expected.
    
    [YOCTO #10256]
    
    (Bitbake rev: 5bf874673d75b5f4ff2b34f0ab8502558ee84d00)
    
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 bitbake/lib/bb/build.py |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)
---
diff --git a/bitbake/lib/bb/build.py b/bitbake/lib/bb/build.py
index 310b5c0..fcf0149 100644
--- a/bitbake/lib/bb/build.py
+++ b/bitbake/lib/bb/build.py
@@ -193,12 +193,6 @@ def exec_func(func, d, dirs = None, pythonexception=False):
     except:
         oldcwd = None
 
-    body = d.getVar(func, False)
-    if not body:
-        if body is None:
-            logger.warning("Function %s doesn't exist", func)
-        return
-
     flags = d.getVarFlags(func)
     cleandirs = flags.get('cleandirs')
     if cleandirs:
@@ -217,6 +211,13 @@ def exec_func(func, d, dirs = None, pythonexception=False):
         adir = dirs[-1]
     else:
         adir = None
+
+    body = d.getVar(func, False)
+    if not body:
+        if body is None:
+            logger.warning("Function %s doesn't exist", func)
+        return
+
     ispython = flags.get('python')
 
     lockflag = flags.get('lockfiles')