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-rw-r--r--meta/recipes-devtools/qemu/qemu/determinism.patch41
1 files changed, 41 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..cb1c907777
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/determinism.patch
@@ -0,0 +1,41 @@
+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.
+
+For the keymaps, omit the timestamps as they don't matter to us.
+
+Upstream-Status: Pending [some version of all/part of this may be accepted]
+RP 2021/3/1
+
+Index: qemu-5.2.0/scripts/decodetree.py
+===================================================================
+--- qemu-5.2.0.orig/scripts/decodetree.py
++++ qemu-5.2.0/scripts/decodetree.py
+@@ -1303,8 +1303,8 @@ def main():
+ toppat = ExcMultiPattern(0)
+
+ for filename in args:
+- input_file = filename
+- f = open(filename, 'r')
++ input_file = os.path.relpath(filename)
++ f = open(input_file, 'r')
+ parse_file(f, toppat)
+ f.close()
+
+Index: qemu-5.2.0/ui/keycodemapdb/tools/keymap-gen
+===================================================================
+--- qemu-5.2.0.orig/ui/keycodemapdb/tools/keymap-gen
++++ qemu-5.2.0/ui/keycodemapdb/tools/keymap-gen
+@@ -317,9 +317,8 @@ class LanguageGenerator(object):
+ raise NotImplementedError()
+
+ def generate_header(self, database, args):
+- today = time.strftime("%Y-%m-%d %H:%M")
+ self._boilerplate([
+- "This file is auto-generated from keymaps.csv on %s" % today,
++ "This file is auto-generated from keymaps.csv",
+ "Database checksum sha256(%s)" % database.mapchecksum,
+ "To re-generate, run:",
+ " %s" % args,