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kernel: Set SOURCE_DATE_EPOCH to kernel git timestamp if not set

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If SOURCE_DATE_EPOCH is unset (in addition to the existing "0" behaviour)
parse out the top most commit timestamp from the kernel tree to use as the
timestamp.

(From OE-Core rev: 2f0dd67a5a8d4269f5155004d532d8fa972b3223)

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alex Kiernan
2018-06-26 12:08:56 +00:00
committed by Richard Purdie
parent 3c46673100
commit 8d33b69ed0
1 changed files with 1 additions and 1 deletions
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meta/classes/kernel.bbclass
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@@ -288,7 +288,7 @@ kernel_do_compile() {
if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then
# kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
# be set....
if [ "$SOURCE_DATE_EPOCH" = "0" ]; then
if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then
olddir=`pwd`
cd ${S}
SOURCE_DATE_EPOCH=`git log -1 --pretty=%ct`