From: Chun-Yi Lee <j...@suse.com> RISC-V ovmf used VirtualRealTimeClockLib but the default epoch is a compilation time. It causes that the RISC-V ovmf binary image is NOT reproducible.
This patch added the support of SOURCE_DATE_EPOCH by printenv command. If SOURCE_DATE_EPOCH be found then we use it as BUILD_EPOCH. Otherwise we run date command for setting BUILD_EPOCH. For distributions want a reproducible RISC-V ovmf image, they should export SOURCE_DATE_EPOCH environment variable before building ovmf. References: https://reproducible-builds.org/docs/source-date-epoch/ Cc: Pete Batard <p...@akeo.ie> Cc: Ard Biesheuvel <ard.biesheu...@linaro.org> Signed-off-by: Chun-Yi Lee <j...@suse.com> --- .../Library/VirtualRealTimeClockLib/VirtualRealTimeClockLib.inf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/EmbeddedPkg/Library/VirtualRealTimeClockLib/VirtualRealTimeClockLib.inf b/EmbeddedPkg/Library/VirtualRealTimeClockLib/VirtualRealTimeClockLib.inf index 5d0f867..285e880 100644 --- a/EmbeddedPkg/Library/VirtualRealTimeClockLib/VirtualRealTimeClockLib.inf +++ b/EmbeddedPkg/Library/VirtualRealTimeClockLib/VirtualRealTimeClockLib.inf @@ -34,4 +34,4 @@ # Current usage of this library expects GCC in a UNIX-like shell environment with the date command [BuildOptions] - GCC:*_*_*_CC_FLAGS = -DBUILD_EPOCH=`date +%s` + GCC:*_*_*_CC_FLAGS = -DBUILD_EPOCH=`printenv SOURCE_DATE_EPOCH || date +%s` -- 2.35.3 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#117664): https://edk2.groups.io/g/devel/message/117664 Mute This Topic: https://groups.io/mt/105479031/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
