diff --git a/Makefile.inc1 b/Makefile.inc1
index ad30854bc7c4..cebe4c446fbf 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -2093,7 +2093,7 @@ cross-tools: .MAKE .PHONY
 # already built.  It then installs the static tools to NXBDESTDIR for Poudriere
 # to pickup.
 #
-NXBOBJROOT=	${OBJROOT}nxb/
+NXBOBJROOT=	${OBJROOT}${MACHINE}.${MACHINE_ARCH}/nxb/
 NXBOBJTOP=	${NXBOBJROOT}${TARGET}.${TARGET_ARCH}
 NXTP?=		/nxb-bin
 .if ${NXTP:N/*}
@@ -2790,10 +2790,16 @@ XDTP?=/usr/${XDDIR}
 .error XDTP variable should be an absolute path
 .endif
 
-CDBENV=MAKEOBJDIRPREFIX=${OBJTOP}/${XDDIR} \
+CDBOBJROOT=	${OBJROOT}${MACHINE}.${MACHINE_ARCH}/xdev/
+CDBOBJTOP=	${CDBOBJROOT}${XDDIR}
+CDBENV= \
 	INSTALL="sh ${.CURDIR}/tools/install.sh"
 CDENV= ${CDBENV} \
 	TOOLS_PREFIX=${XDTP}
+CDMAKEARGS= \
+	OBJTOP=${CDBOBJTOP:Q} \
+	OBJROOT=${CDBOBJROOT:Q}
+CD2MAKEARGS= ${CDMAKEARGS}
 
 .if ${WANT_COMPILER_TYPE} == gcc || \
     (defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == gcc)
@@ -2816,8 +2822,9 @@ CD2ENV=${CDENV} CC="${CC} ${CD2CFLAGS}" CXX="${CXX} ${CD2CXXFLAGS} ${CD2CFLAGS}"
 	MACHINE=${TARGET} MACHINE_ARCH=${TARGET_ARCH}
 
 CDTMP=	${OBJTOP}/${XDDIR}/tmp
-CDMAKE=${CDENV} PATH=${CDTMP}/usr/bin:${PATH} ${MAKE} ${NOFUN}
-CD2MAKE=${CD2ENV} PATH=${CDTMP}/usr/bin:${XDDESTDIR}/usr/bin:${PATH} ${MAKE} ${NOFUN}
+CDMAKE=${CDENV} PATH=${CDTMP}/usr/bin:${PATH} ${MAKE} ${CDMAKEARGS} ${NOFUN}
+CD2MAKE=${CD2ENV} PATH=${CDTMP}/usr/bin:${XDDESTDIR}/usr/bin:${PATH} \
+	${MAKE} ${CD2MAKEARGS} ${NOFUN}
 .if ${MK_META_MODE} != "no"
 # Don't rebuild build-tools targets during normal build.
 CD2MAKE+=	BUILD_TOOLS_META=.NOMETA
@@ -2849,7 +2856,7 @@ _xb-bootstrap-tools: .PHONY
 
 _xb-build-tools: .PHONY
 	${_+_}@cd ${.CURDIR}; \
-	${CDBENV} ${MAKE} -f Makefile.inc1 ${NOFUN} build-tools
+	${CDBENV} ${MAKE} ${CDMAKEARGS} -f Makefile.inc1 ${NOFUN} build-tools
 
 XDEVDIRS= \
     ${_clang_libs} \