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Thou shalt not leak build host state into the system being compiled.

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The VERSION variable is encoded into the SUNW_ctf sections of the kernel
and every kernel module when dtrace is enabled; starting with 9.2-RELEASE
(when dtrace was turned on in GENERIC) this means that different host kernels
will result in very different kernel binaries being generated.  This tripped
up freebsd-update builds after the build boxes were updated from 9.x to 10.x.

MFC after:	3 days (stable/9)
X-MFC after:	0 days (stable/10)
Security:	Rendered two members of so@ temporarily insane
This commit is contained in:
Colin Percival 2013-10-22 18:36:39 +00:00
parent c1e5a6e5e8
commit a0c6562337
1 changed files with 5 additions and 2 deletions
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7
Makefile.inc1
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@ -128,8 +128,11 @@ OSRELDATE= 0
.endif
.if !defined(VERSION)
VERSION!= uname -srp
VERSION+= ${OSRELDATE}
REVISION!= make -C ${.CURDIR}/release -V REVISION
BRANCH!= make -C ${.CURDIR}/release -V BRANCH
SRCRELDATE!= awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \
${.CURDIR}/sys/sys/param.h
VERSION= FreeBSD ${REVISION}-${BRANCH} ${TARGET_ARCH} ${SRCRELDATE}
.endif
KNOWN_ARCHES?= amd64 arm armeb/arm armv6/arm i386 i386/pc98 ia64 mips mipsel/mips mips64el/mips mips64/mips mipsn32el/mips mipsn32/mips powerpc powerpc64/powerpc sparc64