Index: lib/Makefile
===================================================================
--- lib/Makefile
+++ lib/Makefile
@@ -159,7 +159,8 @@
 # built for certain architectures.
 .if ${MK_CLANG} != "no" && ${COMPILER_TYPE} == "clang" && \
     (${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
-    ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "i386")
+    ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "i386" || \
+    ${MACHINE_CPUARCH} == "powerpc")
 _libclang_rt=	libclang_rt
 .endif
 
Index: lib/libclang_rt/Makefile.inc
===================================================================
--- lib/libclang_rt/Makefile.inc
+++ lib/libclang_rt/Makefile.inc
@@ -8,7 +8,7 @@
     (!defined(CPUTYPE) || ${CPUTYPE:M*soft*} == "")
 CRTARCH?=	armhf
 .else
-CRTARCH?=	${MACHINE_CPUARCH:C/amd64/x86_64/}
+CRTARCH?=	${MACHINE_ARCH:C/amd64/x86_64/}
 .endif
 CRTSRC=		${SRCTOP}/contrib/compiler-rt
 
Index: tools/build/mk/OptionalObsoleteFiles.inc
===================================================================
--- tools/build/mk/OptionalObsoleteFiles.inc
+++ tools/build/mk/OptionalObsoleteFiles.inc
@@ -1576,6 +1576,8 @@
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-i386.a
+OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-powerpc.a
+OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.safestack-i386.a