Index: head/gnu/usr.bin/cc/Makefile
===================================================================
--- head/gnu/usr.bin/cc/Makefile
+++ head/gnu/usr.bin/cc/Makefile
@@ -12,7 +12,10 @@
 .endif
 
 .if ${MK_CXX} != "no"
-SUBDIR+= cc1plus c++ c++filt
+SUBDIR+= cc1plus c++
+.if ${MK_ELFTOOLCHAIN_TOOLS} == "no"
+SUBDIR+= c++filt
+.endif
 .endif
 
 .if ${MK_GCOV} != "no"
Index: head/tools/build/mk/OptionalObsoleteFiles.inc
===================================================================
--- head/tools/build/mk/OptionalObsoleteFiles.inc
+++ head/tools/build/mk/OptionalObsoleteFiles.inc
@@ -1004,7 +1004,9 @@
 .if ${MK_CXX} == no
 OLD_FILES+=usr/bin/CC
 OLD_FILES+=usr/bin/c++
+.if ${MK_ELFTOOLCHAIN_TOOLS} == no
 OLD_FILES+=usr/bin/c++filt
+.endif
 OLD_FILES+=usr/bin/g++
 OLD_FILES+=usr/libexec/cc1plus
 .if ${MK_GCC} == no
Index: head/usr.bin/Makefile
===================================================================
--- head/usr.bin/Makefile
+++ head/usr.bin/Makefile
@@ -36,6 +36,7 @@
 	csplit \
 	ctlstat \
 	cut \
+	${_cxxfilt} \
 	demandoc \
 	dirname \
 	dpv \
@@ -237,6 +238,7 @@
 
 .if ${MK_ELFTOOLCHAIN_TOOLS} != "no"
 _addr2line=	addr2line
+_cxxfilt=	cxxfilt
 _elfcopy=	elfcopy
 _nm=		nm
 _readelf=	readelf