package.bbclass: Add warning about FILES containing '//'

'//' in a FILES variable causes hard to track down issues with
packaging. This adds a warning and attempts to auto-correct the issue to
try and make the problem more user friendly.

[YOCTO #2448]

(From OE-Core rev: 0e33e314b1d2d3779658696f13a274b20d698667)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/classes/package.bbclass b/meta/classes/package.bbclass
index 41139ef921..10c2f0a3ee 100644
--- a/meta/classes/package.bbclass
+++ b/meta/classes/package.bbclass
@@ -917,6 +917,9 @@ python populate_packages () {
                 files = filesvar.split()
                 file_links = {}
                 for file in files:
+                        if file.find("//") != -1:
+                                bb.warn("FILES variable for package %s contains '//' which is invalid. Attempting to fix this but you should correct the metadata.\n" % pkg)
+                                file.replace("//", "/")
                         if os.path.isabs(file):
                                 file = '.' + file
                         if not os.path.islink(file):