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6852f6984b
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 <pete@akeo.ie> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>
38 lines
1.0 KiB
INI
38 lines
1.0 KiB
INI
#/** @file
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#
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# Implement virtual EFI RealTimeClock runtime services.
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#
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# Copyright (c) 2019, Pete Batard <pete@akeo.ie>
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# Copyright (c) 2018, Andrei Warkentin <andrey.warkentin@gmail.com>
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# Copyright (c) Microsoft Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#**/
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[Defines]
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INF_VERSION = 0x0001001A
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BASE_NAME = VirtualRealTimeClockLib
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FILE_GUID = 1E27D461-78F3-4F7D-B1C2-F72384F13A6E
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = RealTimeClockLib
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[Sources.common]
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VirtualRealTimeClockLib.c
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[Packages]
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MdePkg/MdePkg.dec
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EmbeddedPkg/EmbeddedPkg.dec
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[LibraryClasses]
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IoLib
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DebugLib
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TimerLib
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TimeBaseLib
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UefiRuntimeLib
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# Current usage of this library expects GCC in a UNIX-like shell environment with the date command
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[BuildOptions]
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GCC:*_*_*_CC_FLAGS = -DBUILD_EPOCH=`printenv SOURCE_DATE_EPOCH || date +%s`
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