diff -Nru llvm-toolchain-5.0-5.0/debian/changelog llvm-toolchain-5.0-5.0/debian/changelog
--- llvm-toolchain-5.0-5.0/debian/changelog	2017-10-01 13:24:29.000000000 +0000
+++ llvm-toolchain-5.0-5.0/debian/changelog	2017-10-13 13:57:50.000000000 +0000
@@ -1,3 +1,10 @@
+llvm-toolchain-5.0 (1:5.0-3~ubuntu16.04.1) xenial; urgency=medium
+
+  * Backport to xenial. (LP: #1716203)
+    - Don't build the Fuzzer library on powerpc.
+
+ -- Timo Aaltonen <tjaalton@debian.org>  Tue, 10 Oct 2017 18:09:29 +0300
+
 llvm-toolchain-5.0 (1:5.0-3) unstable; urgency=medium
 
   * Remove the -Wl option to call gold instead of the normal linker
diff -Nru llvm-toolchain-5.0-5.0/debian/rules llvm-toolchain-5.0-5.0/debian/rules
--- llvm-toolchain-5.0-5.0/debian/rules	2017-10-01 13:24:29.000000000 +0000
+++ llvm-toolchain-5.0-5.0/debian/rules	2017-10-10 15:19:24.000000000 +0000
@@ -174,7 +174,10 @@
 ifeq (,$(filter $(DEB_HOST_ARCH_OS),linux))
 	LIBFUZZER_ENABLE=no
 endif
-
+ifneq (,$(filter $(DEB_HOST_ARCH), powerpc))
+	LIBFUZZER_ENABLE=no
+	CMAKE_EXTRA += -DLLVM_ENABLE_FUZZER=OFF
+endif
 
 %:
 	dh $@ $(DH_OPTIONS)