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-rw-r--r--Makefile.inc13
1 files changed, 2 insertions, 1 deletions
diff --git a/Makefile.inc1 b/Makefile.inc1
index 989d016a5029..fbb451298f3c 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -120,7 +120,8 @@ SUPFLAGS+= -h ${SUPHOST}
MAKEOBJDIRPREFIX?= /usr/obj
.if !defined(OSRELDATE)
-OSRELDATE!= sysctl -n kern.osreldate
+OSRELDATE!= awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \
+ /usr/include/osreldate.h
.endif
TARGET_ARCH?= ${MACHINE_ARCH}
.if ${TARGET_ARCH} == ${MACHINE_ARCH}