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, backported from https://github.com/python/cpython/pull/296 [YOCTO#11241] Signed-off-by: Juro Bystricky <juro.bystri...@intel.com> --- .../python/python-native_2.7.13.bb | 1 + .../python/python/reproducible.patch | 34 ++++++++++++++++++++++ meta/recipes-devtools/python/python_2.7.13.bb | 1 + 3 files changed, 36 insertions(+) create mode 100644 meta/recipes-devtools/python/python/reproducible.patch diff --git a/meta/recipes-devtools/python/python-native_2.7.13.bb b/meta/recipes-devtools/python/python-native_2.7.13.bb index 7edf153..a82b7bb 100644 --- a/meta/recipes-devtools/python/python-native_2.7.13.bb +++ b/meta/recipes-devtools/python/python-native_2.7.13.bb @@ -17,6 +17,7 @@ SRC_URI += "\ file://builddir.patch \ file://parallel-makeinst-create-bindir.patch \ file://revert_use_of_sysconfigdata.patch \ + file://reproducible.patch \ " S = "${WORKDIR}/Python-${PV}" diff --git a/meta/recipes-devtools/python/python/reproducible.patch b/meta/recipes-devtools/python/python/reproducible.patch new file mode 100644 index 0000000..1265179 --- /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.bystri...@intel.com> + +Fri Feb 24 17:08:25 UTC 2017 - bwiedem...@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') diff --git a/meta/recipes-devtools/python/python_2.7.13.bb b/meta/recipes-devtools/python/python_2.7.13.bb index 4ef9952..96c3ab2 100644 --- a/meta/recipes-devtools/python/python_2.7.13.bb +++ b/meta/recipes-devtools/python/python_2.7.13.bb @@ -27,6 +27,7 @@ SRC_URI += "\ file://use_sysroot_ncurses_instead_of_host.patch \ file://add-CROSSPYTHONPATH-for-PYTHON_FOR_BUILD.patch \ file://Don-t-use-getentropy-on-Linux.patch \ + file://reproducible.patch \ " S = "${WORKDIR}/Python-${PV}" -- 2.7.4 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
