SOURCE_DATE_EPOCH was supposed to be exported in this review: https://patchwork.openembedded.org/patch/139558/ but it wasn't merged to master nor rocko.
On Sun, Mar 18, 2018 at 3:13 PM, Martin Jansa <[email protected]> wrote: > I've also noticed that the kernel.bbclass says: > > # kernel sources do not use do_unpack, so > SOURCE_DATE_EPOCH may not > # be set.... > > but with git grep SOURCE_DATE_EPOCH I don't see any code in bitbake or > oe-core where this would be set in do_unpack (in oe-core/master and > oe-core/rocko). Is this part still only in one of your contrib branches for > reproducible? > > Regards, > > On Sun, Mar 18, 2018 at 3:06 PM, Martin Jansa <[email protected]> > wrote: > >> Hi, >> >> There seems to be small issue when people set BUILD_REPRODUCIBLE_BINARIES >> = "1" without exporting SOURCE_DATE_EPOCH like this .bbclass does >> >> In kernel.bbclass change from: >> http://git.openembedded.org/openembedded-core/commit/meta/cl >> asses/kernel.bbclass?id=012a70da7ae0617740cd0cf807d01c3cd912c823 >> >> you're comparing SOURCE_DATE_EPOCH with 0 which doesn't seem to be set >> anywhere, so by default it's empty which leads to kernel build failure like >> this: >> >> DEBUG: Executing shell function do_compile >> date: invalid date '@' >> WARNING: exit code 1 from a shell command. >> >> because empty SOURCE_DATE_EPOCH is used in "ts=`LC_ALL=C date -d >> @$SOURCE_DATE_EPOCH`". Testing SOURCE_DATE_EPOCH for empty or "0" allows to >> use REPRODUCIBLE_TIMESTAMP_ROOTFS as a default value again. >> >> These build failures seem to be triggered in all my builds since >> kernel.bbclass was fixed to respect BUILD_REPRODUCIBLE_BINARIES in: >> http://git.openembedded.org/openembedded-core/commit/meta/cl >> asses/kernel.bbclass?id=27f87bbc8395a2481ef808465a62d213a6b678ac >> >> One way to fit it would be to inherit reproducible_build_simple.bbclass, >> but this requirement to set exported SOURCE_DATE_EPOCH doesn't seem to be >> documented anywhere and looking at kernel.bbclass changes it probably >> wasn't even intended like that. >> >> Thanks >> >> On Mon, Mar 12, 2018 at 11:06 PM, <[email protected]> wrote: >> >>> This is an automated email from the git hooks/post-receive script. >>> >>> rpurdie pushed a commit to branch master >>> in repository openembedded-core. >>> >>> commit 5c2685c5ee2f8210a36b9a8591491b6af0482084 >>> Author: Juro Bystricky <[email protected]> >>> AuthorDate: Sat Mar 10 10:57:49 2018 -0800 >>> >>> reproducible_build_simple.bbclass: simple environment for >>> reproducible binaries >>> >>> Export environmental variables needed for binary reproducibility >>> with consistent values. >>> >>> This class can be used either directly via: >>> INHERIT += "reproducible_build_simple" >>> >>> or can be inherited by a more complex/complete bbclass, for example >>> a bblass which >>> will crack SOURCE_DATE_EPOCH for each recipe. >>> >>> Signed-off-by: Juro Bystricky <[email protected]> >>> Signed-off-by: Richard Purdie <[email protected]> >>> --- >>> meta/classes/reproducible_build_simple.bbclass | 11 +++++++++++ >>> 1 file changed, 11 insertions(+) >>> >>> diff --git a/meta/classes/reproducible_build_simple.bbclass >>> b/meta/classes/reproducible_build_simple.bbclass >>> new file mode 100644 >>> index 0000000..dd11cd9 >>> --- /dev/null >>> +++ b/meta/classes/reproducible_build_simple.bbclass >>> @@ -0,0 +1,11 @@ >>> +# Setup default environment for reproducible builds. >>> + >>> +BUILD_REPRODUCIBLE_BINARIES = "1" >>> + >>> +export PYTHONHASHSEED = "0" >>> +export PERL_HASH_SEED = "0" >>> +export TZ = 'UTC' >>> +export SOURCE_DATE_EPOCH ??= "1520598896" >>> + >>> +REPRODUCIBLE_TIMESTAMP_ROOTFS ??= "1520598896" >>> + >>> >>> -- >>> To stop receiving notification emails like this one, please contact >>> the administrator of this repository. >>> -- >>> _______________________________________________ >>> Openembedded-commits mailing list >>> [email protected] >>> http://lists.openembedded.org/mailman/listinfo/openembedded-commits >>> >> >> >
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