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-rw-r--r--mk/init.mk14
1 files changed, 9 insertions, 5 deletions
diff --git a/mk/init.mk b/mk/init.mk
index d4ae45372d9c..0dae997beb54 100644
--- a/mk/init.mk
+++ b/mk/init.mk
@@ -1,14 +1,14 @@
-# $Id: init.mk,v 1.17 2020/05/25 20:15:07 sjg Exp $
+# $Id: init.mk,v 1.21 2020/08/19 17:51:53 sjg Exp $
#
# @(#) Copyright (c) 2002, Simon J. Gerraty
#
# This file is provided in the hope that it will
# be of use. There is absolutely NO WARRANTY.
# Permission to copy, redistribute or otherwise
-# use this file is hereby granted provided that
+# use this file is hereby granted provided that
# the above copyright notice and this notice are
-# left intact.
-#
+# left intact.
+#
# Please send copies of changes and bug-fixes to:
# sjg@crufty.net
#
@@ -65,7 +65,11 @@ CC_PIC?= -DPIC
CXX_PIC?= ${CC_PIC}
PROFFLAGS?= -DGPROF -DPROF
-.if ${.MAKE.LEVEL:U1} == 0 && ${BUILD_AT_LEVEL0:Uyes:tl} == "no"
+# targets that are ok at level 0
+LEVEL0_TARGETS += clean* destory*
+M_ListToSkip= O:u:S,^,N,:ts:
+
+.if ${.MAKE.LEVEL:U1} == 0 && ${MK_DIRDEPS_BUILD:Uno} == "yes" && ${.TARGETS:Uall:${LEVEL0_TARGETS:${M_ListToSkip}}} != ""
# this tells lib.mk and prog.mk to not actually build anything
_SKIP_BUILD = not building at level 0
.endif