> -----Original Message-----
> From: openembedded-core@lists.openembedded.org
> <openembedded-core@lists.openembedded.org> On Behalf Of Richard Purdie
> Sent: den 3 november 2022 13:41
> To: openembedded-core@lists.openembedded.org
> Subject: [OE-core] [PATCH 1/2] gcc-shared-source: Fix source date epoch
> handling
>
> The source date epoch for gcc isn't being transferred from the shared
> workdir to the current WORKDIR for the specific recipe. This results in
> the clamping code within sstate.bbclass using a value from 2011 which
> changes the timestamps of many files. Since this happens part way
> through the build, if pieces of gcc haven't built, or build/rebuild
> later, we see things rebuilding when they should not and for generated
> files, races are possible.
>
> Fix this by copying the SDE from the shared workdir into the recipe
> workdir.
>
> [YOCTO #14953]
>
> Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
> ---
> meta/recipes-devtools/gcc/gcc-shared-source.inc | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/meta/recipes-devtools/gcc/gcc-shared-source.inc
> b/meta/recipes-devtools/gcc/gcc-shared-source.inc
> index aac4b49313c..cdc27deffdb 100644
> --- a/meta/recipes-devtools/gcc/gcc-shared-source.inc
> +++ b/meta/recipes-devtools/gcc/gcc-shared-source.inc
> @@ -9,3 +9,12 @@ SRC_URI = ""
>
> do_configure[depends] += "gcc-source-${PV}:do_preconfigure"
> do_populate_lic[depends] += "gcc-source-${PV}:do_unpack"
> +do_deploy_source_date_epoch[depends] +=
> "gcc-source-${PV}:do_deploy_source_date_epoch"
> +
> +# Copy the SDE from the shared workdir to the recipe workdir
> +do_deploy_source_date_epoch () {
> + mkdir -p ${SDE_DEPLOYDIR}
> + cp -p ${S}/../source-date-epoch/__source_date_epoch.txt
> ${SDE_DEPLOYDIR}/__source_date_epoch.txt
> + mkdir -p `dirname ${SDE_FILE}`
> + cp -p ${S}/../source-date-epoch/__source_date_epoch.txt ${SDE_FILE}
Even though I doubt the name of the epoch file is likely to change
any time soon, I think it is better to avoid hardcoding it here.
Thus I suggest the following instead:
sde_file=${SDE_FILE}
sde_file=${sde_file#${WORKDIR}/}
mkdir -p ${SDE_DEPLOYDIR} $(dirname ${SDE_FILE})
cp -p ${S}/../$sde_file ${SDE_DEPLOYDIR}
cp -p ${S}/../$sde_file ${SDE_FILE}
> +}
> --
> 2.34.1
//Peter
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