Index: Makefile
===================================================================
--- Makefile	(revision 214752)
+++ Makefile	(working copy)
@@ -282,6 +282,12 @@
 #
 .if make(universe) || make(universe_kernels) || make(tinderbox)
 TARGETS?=amd64 arm i386 ia64 mips pc98 powerpc sparc64 sun4v
+TARGET_ARCHES_powerpc?=	powerpc powerpc64
+TARGET_ARCHES_sun4v?=	sparc64
+TARGET_ARCHES_pc98?=	i386
+.for target in ${TARGETS}
+TARGET_ARCHES_${target}?= ${target}
+.endfor
 
 .if defined(DOING_TINDERBOX)
 FAILFILE=tinderbox.failed
@@ -301,16 +307,24 @@
 .for target in ${TARGETS}
 universe: universe_${target}
 .ORDER: universe_prologue universe_${target} universe_epilogue
-universe_${target}:
+universe_${target}: universe_${target}_prologue
+universe_${target}_prologue:
+	@echo ">> ${target} started on `LC_ALL=C date`"
 .if !defined(MAKE_JUST_KERNELS)
-	@echo ">> ${target} started on `LC_ALL=C date`"
+.for target_arch in ${TARGET_ARCHES_${target}}
+universe_${target}: universe_${target}_${target_arch}
+universe_${target}_${target_arch}: universe_${target}_prologue
+	@echo ">> ${target}.${target_arch} buildworld started on `LC_ALL=C date`"
 	@(cd ${.CURDIR} && env __MAKE_CONF=/dev/null \
 	    ${MAKE} ${JFLAG} buildworld \
 	    TARGET=${target} \
-	    > _.${target}.buildworld 2>&1 || \
-	    (echo "${target} world failed," \
-	    "check _.${target}.buildworld for details" | ${MAKEFAIL}))
-	@echo ">> ${target} buildworld completed on `LC_ALL=C date`"
+	    TARGET_ARCH=${target_arch} \
+	    > _.${target}.${target_arch}.buildworld 2>&1 || \
+	    (echo "${target}.${target_arch} world failed," \
+	    "check _.${target}.${target_arch}.buildworld for details" | \
+	    ${MAKEFAIL}))
+	@echo ">> ${target}.${target_arch} buildworld completed on `LC_ALL=C date`"
+.endfor
 .endif
 .if !defined(MAKE_JUST_WORLDS)
 .if exists(${.CURDIR}/sys/${target}/conf/NOTES)
@@ -333,9 +347,15 @@
 		! -name DEFAULTS ! -name NOTES
 universe_kernconfs:
 .for kernel in ${KERNCONFS}
+TARGET_ARCH_${kernel}!=	cd ${.CURDIR}/sys/${TARGET}/conf && \
+			config -m ${.CURDIR}/sys/${TARGET}/conf/${kernel} | \
+			cut -f 2
+universe_kernconfs: universe_kernconf_${TARGET}_${kernel}
+universe_kernconf_${TARGET}_${kernel}:
 	@(cd ${.CURDIR} && env __MAKE_CONF=/dev/null \
 	    ${MAKE} ${JFLAG} buildkernel \
 	    TARGET=${TARGET} \
+	    TARGET_ARCH=${TARGET_ARCH_${kernel}} \
 	    KERNCONF=${kernel} \
 	    > _.${TARGET}.${kernel} 2>&1 || \
 	    (echo "${TARGET} ${kernel} kernel failed," \