diff --git a/gnu/usr.bin/cc/Makefile b/gnu/usr.bin/cc/Makefile
index 008284a545a..574e12186d3 100644
--- a/gnu/usr.bin/cc/Makefile
+++ b/gnu/usr.bin/cc/Makefile
@@ -1,5 +1,5 @@
 # $FreeBSD: src/gnu/usr.bin/cc/Makefile,v 1.41.8.1 2009/04/15 03:14:26 kensmith Exp $
-# $OpenBSD: Makefile,v 1.4 2024/03/29 06:52:50 miod Exp $
+# $OpenBSD: Makefile,v 1.5 2025/09/29 18:29:23 miod Exp $
 
 .include <bsd.own.mk>
 
@@ -8,7 +8,7 @@
 
 SUBDIR=	cc_tools libcpp libdecnumber cc_int cc cc1 include doc
 
-.if ${COMPILER_VERSION:L} == "gcc4"
+.if ${COMPILER_VERSION:L} == "gcc4" || make(obj)
 SUBDIR+= cpp
 .endif