diff --git a/share/mk/bsd.own.mk b/share/mk/bsd.own.mk
index 01d41ae5ae6..4dffe9723a9 100644
--- a/share/mk/bsd.own.mk
+++ b/share/mk/bsd.own.mk
@@ -291,4 +291,10 @@ TESTSBASE?= /usr/tests
 
 DEPENDFILE?=	.depend
 
+# Compat for the moment -- old bsd.own.mk only included this when _WITHOUT_SRCCONF
+# wasn't defined. bsd.ports.mk and friends depend on this behavior. Remove in 12.
+.if !defined(_WITHOUT_SRCCONF)
+.include <bsd.compiler.mk>
+.endif # !_WITHOUT_SRCCONF
+
 .endif	# !target(__<bsd.own.mk>__)