1 files changed, 14 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index cf2cd38..b808c3f 100644
--- a/Makefile
+++ b/Makefile
@@ -87,9 +87,22 @@ BINMAKE= \
 _MAKE=	PATH=${PATH} ${BINMAKE} -f Makefile.inc1
 
 #
-# Handle the user-driven targets, using the source relative mk files.
+# Make sure we have an up-to-date make(1). Only world and buildworld
+# should do this as those are the initial targets used for upgrades.
+# The user can define ALWAYS_CHECK_MAKE to have this check performed
+# for all targets.
 #
+.if defined(ALWAYS_CHECK_MAKE)
 ${TGTS} ${BITGTS}: upgrade_checks
+.else
+buildworld: upgrade_checks
+.endif
+
+#
+# Handle the user-driven targets, using the source relative mk files.
+#
+
+${TGTS} ${BITGTS}:
 	@cd ${.CURDIR}; \
 		${_MAKE} ${.TARGET}