diff --git a/Makefile.inc1 b/Makefile.inc1
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -73,6 +73,12 @@
 .error CROSS_TOOLCHAIN ${CROSS_TOOLCHAIN} not found
 .endif
 CROSSENV+=CROSS_TOOLCHAIN="${CROSS_TOOLCHAIN}"
+.elif defined(UNIVERSE_TOOLCHAIN)
+UNIVERSE_TOOLCHAIN_PATH?=${HOST_OBJTOP}/tmp/usr/bin
+XCC?="${UNIVERSE_TOOLCHAIN_PATH}/cc"
+XCXX?="${UNIVERSE_TOOLCHAIN_PATH}/c++"
+XCPP?="${UNIVERSE_TOOLCHAIN_PATH}/cpp"
+XLD?="${UNIVERSE_TOOLCHAIN_PATH}/ld"
 .endif
 .if defined(CROSS_TOOLCHAIN_PREFIX)
 CROSS_COMPILER_PREFIX?=${CROSS_TOOLCHAIN_PREFIX}
@@ -718,6 +724,7 @@
 BSARGS= 	DESTDIR= \
 		OBJTOP='${WORLDTMP}/obj-tools' \
 		OBJROOT='$${OBJTOP}/' \
+		UNIVERSE_TOOLCHAIN_PATH=${UNIVERSE_TOOLCHAIN_PATH} \
 		MAKEOBJDIRPREFIX= \
 		BOOTSTRAPPING=${BOOTSTRAPPING_OSRELDATE} \
 		BWPHASE=${.TARGET:C,^_,,} \
@@ -789,6 +796,7 @@
 		DESTDIR= \
 		OBJTOP='${WORLDTMP}/obj-kernel-tools' \
 		OBJROOT='$${OBJTOP}/' \
+		UNIVERSE_TOOLCHAIN_PATH=${UNIVERSE_TOOLCHAIN_PATH} \
 		MAKEOBJDIRPREFIX= \
 		BOOTSTRAPPING=${BOOTSTRAPPING_OSRELDATE} \
 		-DNO_CPU_CFLAGS \
diff --git a/Makefile.libcompat b/Makefile.libcompat
--- a/Makefile.libcompat
+++ b/Makefile.libcompat
@@ -37,6 +37,7 @@
 			${LIB${_LIBCOMPAT}WMAKEFLAGS} \
 			OBJTOP=${LIB${_LIBCOMPAT}_OBJTOP} \
 			OBJROOT='$${OBJTOP}/' \
+			UNIVERSE_TOOLCHAIN_PATH=${UNIVERSE_TOOLCHAIN_PATH} \
 			MAKEOBJDIRPREFIX= \
 			MK_INCLUDES=no \
 			MK_MAN=no MK_HTML=no