[Xen-devel] [PATCH 04/20] livepatch-build: Handle newly created object files

[Pawel Wieczorkiewicz <wipawel@xxxxxxxxx>]

Up to now the livepatch-build ignores newly created object files.
When patch applies new .c file and augments its Makefile to build it
the resulting object file is not taken into account for final linking
step.

Such newly created object files can be detected by comparing patched/
and original/ directories and copied over to the output directory for
the final linking step.

Signed-off-by: Pawel Wieczorkiewicz <wipawel@xxxxxxxxx>
Reviewed-by: Andra-Irina Paraschiv <andraprs@xxxxxxxxxx>
Reviewed-by: Bjoern Doebel <doebel@xxxxxxxxx>
Reviewed-by: Norbert Manthey <nmanthey@xxxxxxxxx>
Reviewed-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
---
 livepatch-build | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/livepatch-build b/livepatch-build
index 796838c..3c4bf13 100755
--- a/livepatch-build
+++ b/livepatch-build
@@ -146,6 +146,12 @@ function create_patch()
         fi
     done
 
+    NEW_FILES=$(comm -23 <(cd patched/xen && find . -type f -name '*.o' | 
sort) <(cd original/xen && find . -type f -name '*.o' | sort))
+    for i in $NEW_FILES; do
+        cp "patched/$i" "output/$i"
+        CHANGED=1
+    done
+
     if [[ $ERROR -ne 0 ]]; then
         die "$ERROR error(s) encountered"
     fi
-- 
2.16.5




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