classes/base: clarify S not set correctly warning

Hopefully make it a bit clearer to the user which recipe needs fixing
and what needs to be done to fix it.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
index 3d9235e1a638ddc6494f4407f92d2f0b6c71b67e..0032b302cf353c62c43c8560067aab6d2ed43339 100644 (file)
--- a/meta/classes/base.bbclass
+++ b/meta/classes/base.bbclass
@@ -151,7 +151,7 @@ python base_do_unpack() {
         raise bb.build.FuncFailed(e)
 
     if not os.path.exists(s_dir):
-        bb.warn("%s ('S') doesn't exist, please set 'S' to a proper value" % s_dir)
+        bb.warn('%s: the directory %s (%s) pointed to by the S variable doesn\'t exist - please set S within the recipe to point to where the source has been unpacked to' % (d.getVar('PN', True), d.getVar('S', False), s_dir))
 }
 
 def pkgarch_mapping(d):