[oe-commits] [openembedded-core] 35/40: image-prelink.bbclass: support binary reproducibility
git at git.openembedded.org
git at git.openembedded.org
Mon Aug 14 10:17:21 UTC 2017
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rpurdie pushed a commit to branch master-next
in repository openembedded-core.
commit 772e9003bb1245e126ec1174d1e3b4ed9aaf5728
Author: Juro Bystricky <juro.bystricky at intel.com>
AuthorDate: Wed Aug 9 10:48:24 2017 -0700
image-prelink.bbclass: support binary reproducibility
Conditionally support binary reproducibility in built images.
If BUILD_REPRODUCIBLE_BINARIES = 1 then:
1. Do not randomize library addresses
2. Set/export PRELINK_TIMESTAMP to a reproducible value.
If REPRODUCIBLE_TIMESTAMP_ROOTFS is specified, then the value will
be used. Otherwise the timestamp will be derived from the top git commit.
Signed-off-by: Juro Bystricky <juro.bystricky at intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
meta/classes/image-prelink.bbclass | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/meta/classes/image-prelink.bbclass b/meta/classes/image-prelink.bbclass
index 6fcd699..f3bb68b 100644
--- a/meta/classes/image-prelink.bbclass
+++ b/meta/classes/image-prelink.bbclass
@@ -36,7 +36,17 @@ prelink_image () {
dynamic_loader=$(linuxloader)
# prelink!
- ${STAGING_SBINDIR_NATIVE}/prelink --root ${IMAGE_ROOTFS} -amR -N -c ${sysconfdir}/prelink.conf --dynamic-linker $dynamic_loader
+ if [ "$BUILD_REPRODUCIBLE_BINARIES" = "1" ]; then
+ bbnote " prelink: BUILD_REPRODUCIBLE_BINARIES..."
+ if [ "$REPRODUCIBLE_TIMESTAMP_ROOTFS" = "" ]; then
+ export PRELINK_TIMESTAMP=`git log -1 --pretty=%ct `
+ else
+ export PRELINK_TIMESTAMP=$REPRODUCIBLE_TIMESTAMP_ROOTFS
+ fi
+ ${STAGING_SBINDIR_NATIVE}/prelink --root ${IMAGE_ROOTFS} -am -N -c ${sysconfdir}/prelink.conf --dynamic-linker $dynamic_loader
+ else
+ ${STAGING_SBINDIR_NATIVE}/prelink --root ${IMAGE_ROOTFS} -amR -N -c ${sysconfdir}/prelink.conf --dynamic-linker $dynamic_loader
+ fi
# Remove the prelink.conf if we had to add it.
if [ "$dummy_prelink_conf" = "true" ]; then
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