Index: Mk/bsd.port.mk
===================================================================
--- Mk/bsd.port.mk
+++ Mk/bsd.port.mk
@@ -5030,6 +5030,15 @@
 .endif
 .endif
 
+.if !target(fix-timestamp)
+fix-timestamp:
+	@${ECHO_MSG} "====> Fixing timestamps (fix-timestamp)"
+.if !empty(ALLFILES)
+	@${FIND} ${STAGEDIR}${PREFIX} -exec ${TOUCH} -r ${LATEST:!${LS} -rt ${ALLFILES:C/^/${_DISTDIR}\//} | tail -n 1!} {} +
+.else
+.endif
+.endif
+
 # Generate packing list.  Also tests to make sure all required package
 # files exist.
 
@@ -5916,7 +5925,7 @@
 				install-rc-script install-ldconfig-file install-license \
 				install-desktop-entries add-plist-info add-plist-docs \
 				add-plist-examples add-plist-data add-plist-post \
-				move-uniquefiles-plist ${POST_PLIST}
+				move-uniquefiles-plist fix-timestamp ${POST_PLIST}
 .if defined(DEVELOPER)
 _STAGE_SUSEQ+=	stage-qa
 .endif
@@ -5928,7 +5937,7 @@
 				install-rc-script install-ldconfig-file install-license \
 				install-desktop-entries add-plist-info add-plist-docs \
 				add-plist-examples add-plist-data add-plist-post \
-				move-uniquefiles-plist ${POST_PLIST}
+				move-uniquefiles-plist fix-timestamp ${POST_PLIST}
 .if defined(DEVELOPER)
 _STAGE_SEQ+=	stage-qa
 .endif