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Ok, take 2 on redoing KERNOBJDIR logic. 

Use the old setup for MAKEOBJDIRPREFIX but also add a new check for
_SRC_TOP_OBJ_ and use that if it's set. This allows a make release using
build.sh (which uses MAKEOBJDIR patterns) to function correctly on r/o
source tree's.
This commit is contained in:
jmc 2001-11-27 05:39:03 +00:00
parent 6c76413f2f
commit 423e88b943
1 changed files with 37 additions and 8 deletions
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45
share/mk/bsd.kernobj.mk
View File

@ -1,4 +1,4 @@
# $NetBSD: bsd.kernobj.mk,v 1.6 2001/11/27 05:17:31 jmc Exp $
# $NetBSD: bsd.kernobj.mk,v 1.7 2001/11/27 05:39:03 jmc Exp $
# KERNSRCDIR Is the location of the top of the kernel src.
# It defaults to ${BSDSRCDIR}/sys, but the top-level
@ -15,19 +15,48 @@
# KERNOBJDIR Is the kernel build directory. The kernel GENERIC for
# instance will be compiled in ${KERNOBJDIR}/GENERIC.
# The default value is
# ${MAKEOBJDIRPREFIX}${KERNSRCDIR}/${KERNARCHDIR}/compile
# if it exists or the target 'obj' is being made.
# Otherwise the default is
# ${KERNSRCDIR}/${KERNARCHDIR}/compile.
# ${KERNSRCDIR}/${KERNARCHDIR}/compile
#
# If MAKEOBJDIRPREFIX or _SRC_TOP_OBJ is set than the value will
# be either
#
# ${MAKEOBJDIRPREFIX}${KERNSRCDIR}/${KERNARCHDIR}/compile
#
# or
#
# ${_SRC_TOP_OBJ_}/sys/${KERNARCHDIR}/compile
#
# with MAKEOBJDIRPREFIX taking priority over _SRC_TOP_OBJ_
#
.include <bsd.own.mk>
KERNSRCDIR?= ${BSDSRCDIR}/sys
# just incase ${MACHINE} is not always correct
KERNARCHDIR?= arch/${MACHINE}
.if make(obj) || exists(${MAKEOBJDIRPREFIX}${KERNSRCDIR}/${KERNARCHDIR}/compile)
KERNOBJDIR?= ${MAKEOBJDIRPREFIX}${KERNSRCDIR}/${KERNARCHDIR}/compile
#
# XXX It's ugly but it does what we need here. If making objects use the above
# rules for trying to figure out a KERNOBJDIR.
#
# When coming back through here in rules (such as building kernels for
# a release), check which vars we're using and which directory base has been
# made in the previous obj stage to figure out which one to expose.
#
# All cases will fall through to the ${KERNSRCDIR}/${KERNARCHDIR}/compile case
# if nothing ends up setting this.
.if make(obj) || \
(defined(MAKEOBJDIRPREFIX) && exists(${MAKEOBJDIRPREFIX}${KERNSRCDIR}/${KERNARCHDIR}/compile)) || \
(defined(_SRC_TOP_OBJ_) && exists(${_SRC_TOP_OBJ_}/sys/${KERNARCHDIR}/compile))
.if defined (MAKEOBJDIRPREFIX)
KERNOBJDIR?= ${MAKEOBJDIRPREFIX}${KERNSRCDIR}/${KERNARCHDIR}/compile
.else
KERNOBJDIR?= ${KERNSRCDIR}/${KERNARCHDIR}/compile
.if defined(_SRC_TOP_OBJ_) && ${_SRC_TOP_OBJ_} != ""
KERNOBJDIR?= ${_SRC_TOP_OBJ_}/sys/${KERNARCHDIR}/compile
.endif
.endif
.endif
KERNOBJDIR?= ${KERNSRCDIR}/${KERNARCHDIR}/compile
KERNCONFDIR?= ${KERNSRCDIR}/${KERNARCHDIR}/conf