Index: Mk/bsd.port.mk
===================================================================
--- Mk/bsd.port.mk	(revision 437189)
+++ Mk/bsd.port.mk	(working copy)
@@ -1158,7 +1158,7 @@
 _UNSUPPORTED_SYSTEM_MESSAGE=	Ports Collection support for your ${OPSYS} version has ended, and no ports\
 								are guaranteed to build on this system. Please upgrade to a supported release.
 . if defined(ALLOW_UNSUPPORTED_SYSTEM)
-WARNING+=			"${_UNSUPPORTED_SYSTEM_MESSAGE}"
+WARNING_NOWAIT+=			"${_UNSUPPORTED_SYSTEM_MESSAGE}"
 . else
 show-unsupported-system-error:
 	@${ECHO_MSG} "/!\\ ERROR: /!\\"
@@ -1165,7 +1165,7 @@
 	@${ECHO_MSG}
 	@${ECHO_MSG} "${_UNSUPPORTED_SYSTEM_MESSAGE}" | ${FMT} 75 79
 	@${ECHO_MSG}
-	@${ECHO_MSG} "No support will be provided if you silence this message by defining ALLOW_UNSUPPORTED_SYSTEM." | ${FMT} 75 79
+	@${ECHO_MSG} "No support will be provided if you transform this message into a warning by defining ALLOW_UNSUPPORTED_SYSTEM." | ${FMT} 75 79
 	@${ECHO_MSG}
 	@${FALSE}
 . endif
@@ -5151,16 +5151,21 @@
 .endif
 .endif
 
-.if defined(WARNING)
+.if defined(WARNING) || defined(WARNING_NOWAIT)
 WARNING_WAIT?=	10
 show-warnings:
 	@${ECHO_MSG} "/!\\ WARNING /!\\"
+.for m in ${WARNING_NOWAIT}
+	@${ECHO_MSG} "${m}"
+.endfor
 .for m in ${WARNING}
 	@${ECHO_MSG} "${m}"
 .endfor
 	@${ECHO_MSG}
+.if defined(WARNING)
 	@sleep ${WARNING_WAIT}
 .endif
+.endif
 
 .if defined(DEVELOPER)
 .if defined(DEV_WARNING)