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-rw-r--r--meta/recipes-devtools/qemu/qemu/determinism.patch22
1 files changed, 22 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/determinism.patch b/meta/recipes-devtools/qemu/qemu/determinism.patch
new file mode 100644
index 0000000000..330a31204d
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/determinism.patch
@@ -0,0 +1,22 @@
+When sources are included within debug information, a couple of areas of the
+qemu build are not reproducible due to either full buildpaths or timestamps.
+
+Replace the full paths with relative ones. I couldn't figure out how to get
+meson to pass relative paths but we can fix that in the script.
+
+Upstream-Status: Pending [some version of all/part of this may be accepted]
+RP 2021/3/1
+
+Index: qemu-6.0.0/scripts/decodetree.py
+===================================================================
+--- qemu-6.0.0.orig/scripts/decodetree.py
++++ qemu-6.0.0/scripts/decodetree.py
+@@ -1304,7 +1304,7 @@ def main():
+ toppat = ExcMultiPattern(0)
+
+ for filename in args:
+- input_file = filename
++ input_file = os.path.relpath(filename)
+ f = open(filename, 'rt', encoding='utf-8')
+ parse_file(f, toppat)
+ f.close()