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-rw-r--r--meta/lib/oe/patch.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/meta/lib/oe/patch.py b/meta/lib/oe/patch.py
index f02dee8d27..bfa7d21879 100644
--- a/meta/lib/oe/patch.py
+++ b/meta/lib/oe/patch.py
@@ -36,6 +36,22 @@ def runcmd(args, dir = None):
(exitstatus, output) = oe.utils.getstatusoutput(cmd)
if exitstatus != 0:
raise CmdError(cmd, exitstatus >> 8, output)
+ if " fuzz " in output:
+ bb.warn("""
+Some of the context lines in patches were ignored. This can lead to incorrectly applied patches.
+The context lines in the patches can be updated with devtool:
+
+ devtool modify <recipe>
+ devtool finish --force-patch-refresh <recipe> <layer_path>
+
+Then the updated patches and the source tree (in devtool's workspace)
+should be reviewed to make sure the patches apply in the correct place
+and don't introduce duplicate lines (which can, and does happen
+when some of the context is ignored). Further information:
+http://lists.openembedded.org/pipermail/openembedded-core/2018-March/148675.html
+https://bugzilla.yoctoproject.org/show_bug.cgi?id=10450
+Details:
+{}""".format(output))
return output
finally: