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Allow for reproducible build

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Use SOURCE_DATE_EPOCH for BUILD_UTC if MK_REPRODUCIBLE_BUILD is yes.
Default SOURCE_DATE_EPOCH to 2019-01-01

Reviewed by:	emaste
Sponsored by:	Juniper Networks
Differential Revision:	https://reviews.freebsd.org/D19464
This commit is contained in:
sjg 2019-03-04 22:04:21 +00:00
parent fea0bcb968
commit 095316e467
2 changed files with 16 additions and 3 deletions
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17
lib/libsecureboot/Makefile.inc
View File

@ -92,6 +92,19 @@ VE_HASH_KAT_STR?= vc_PEM
XCFLAGS.vets+= -DVE_HASH_KAT_STR=${VE_HASH_KAT_STR}
.endif
# this should be updated occassionally this is 2019-01-01Z
SOURCE_DATE_EPOCH?= 1546329600
.if ${MK_REPRODUCIBLE_BUILD} == "yes"
BUILD_UTC?= ${SOURCE_DATE_EPOCH}
.endif
# BUILD_UTC provides a basis for the loader's notion of time
# By default we use the mtime of BUILD_UTC_FILE
.if empty(BUILD_UTC_FILE)
BUILD_UTC_FILE:= ${.PARSEDIR:tA}/${.PARSEFILE}
.endif
# you can of course set BUILD_UTC to any value you like
BUILD_UTC?= ${${STAT:Ustat} -f %m ${BUILD_UTC_FILE}:L:sh}
# Generate ta.h containing one or more PEM encoded trust anchors in ta_PEM.
#
# If we are doing self-tests, we define another arrary vc_PEM
@ -110,9 +123,7 @@ ta.h: ${.ALLTARGETS:M[tv]*pem:O:u}
( cat ${.ALLSRC:N*crl*:Mv*.pem} /dev/null | \
file2c -sx 'static const char vc_PEM[] = {' '};'; echo ) >> ${.TARGET}
.endif
.if !empty(BUILD_UTC_FILE)
echo '#define BUILD_UTC ${${STAT:Ustat} -f %m ${BUILD_UTC_FILE}:L:sh}' >> ${.TARGET} ${.OODATE:MNOMETA_CMP}
.endif
echo '#define BUILD_UTC ${BUILD_UTC}' >> ${.TARGET} ${.OODATE:MNOMETA_CMP}
# This header records our preference for signature extensions.
vesigned.o vesigned.po vesigned.pico: vse.h

2
lib/libsecureboot/tests/Makefile
View File

@ -1,5 +1,7 @@
# $FreeBSD$
.include <src.opts.mk>
PROG= tvo
SRCS+= tvo.c