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-rw-r--r--meta/recipes-devtools/python/python/reproducible.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/meta/recipes-devtools/python/python/reproducible.patch b/meta/recipes-devtools/python/python/reproducible.patch
new file mode 100644
index 0000000000..12651798ee
--- /dev/null
+++ b/meta/recipes-devtools/python/python/reproducible.patch
@@ -0,0 +1,34 @@
+The compiled .pyc files contain time stamp corresponding to the compile time.
+This prevents binary reproducibility. This patch allows to achieve binary
+reproducibility by overriding the build time stamp by the value
+exported via SOURCE_DATE_EPOCH.
+
+Patch by Bernhard M. Wiedemann
+
+Upstream-Status: Backport
+
+Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
+
+Fri Feb 24 17:08:25 UTC 2017 - bwiedemann@suse.com
+
+- Add reproducible.patch to allow reproducible builds of various
+ python packages like python-amqp
+ Upstream: https://github.com/python/cpython/pull/296
+
+
+@@ -0,0 +1,15 @@
+Index: Python-2.7.13/Lib/py_compile.py
+===================================================================
+--- Python-2.7.13.orig/Lib/py_compile.py
++++ Python-2.7.13/Lib/py_compile.py
+@@ -108,6 +108,10 @@ def compile(file, cfile=None, dfile=None
+ timestamp = long(os.fstat(f.fileno()).st_mtime)
+ except AttributeError:
+ timestamp = long(os.stat(file).st_mtime)
++ sde = os.environ.get('SOURCE_DATE_EPOCH')
++ if sde and timestamp > int(sde):
++ timestamp = int(sde)
++ os.utime(file, (timestamp, timestamp))
+ codestring = f.read()
+ try:
+ codeobject = __builtin__.compile(codestring, dfile or file,'exec')