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Avoid using non-portable dd conv=osync option

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The same thing can be achieved using the bs=$SIZE and conv=sync options.
Unlike conv=osync, conv=sync is support on both Linux and macOS.

Reviewed By:	imp, jhb (earlier version)
Obtained from:	CheriBSD
Differential Revision: https://reviews.freebsd.org/D24788
This commit is contained in:
Alex Richardson 2020-05-11 08:40:33 +00:00
parent 4a6ee281d9
commit 87c5e64c64
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=360894
3 changed files with 3 additions and 3 deletions
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2
stand/i386/boot2/Makefile
View File

@ -66,7 +66,7 @@ BOOT2SIZE= 7680
boot2: boot2.ld
@set -- `ls -l ${.ALLSRC}`; x=$$((${BOOT2SIZE}-$$5)); \
echo "$$x bytes available"; test $$x -ge 0
${DD} if=${.ALLSRC} of=${.TARGET} obs=${BOOT2SIZE} conv=osync
${DD} if=${.ALLSRC} of=${.TARGET} bs=${BOOT2SIZE} conv=sync
boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \

2
stand/i386/pxeldr/Makefile
View File

@ -31,7 +31,7 @@ CLEANFILES+= ${BOOT}.tmp
${BOOT}: ${LDR} ${LOADER}
cat ${LDR} ${LOADER} > ${.TARGET}.tmp
${DD} if=${.TARGET}.tmp of=${.TARGET} obs=2k conv=osync
${DD} if=${.TARGET}.tmp of=${.TARGET} bs=2048 conv=sync
rm ${.TARGET}.tmp
LDFLAGS+=${LDFLAGS_BIN}

2
stand/i386/zfsboot/Makefile
View File

@ -62,7 +62,7 @@ BOOT2SIZE= 262144
zfsboot2: zfsboot.ld
@set -- `ls -l ${.ALLSRC}`; x=$$((${BOOT2SIZE}-$$5)); \
echo "$$x bytes available"; test $$x -ge 0
${DD} if=${.ALLSRC} of=${.TARGET} obs=${BOOT2SIZE} conv=osync
${DD} if=${.ALLSRC} of=${.TARGET} bs=${BOOT2SIZE} conv=sync
zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \