Index: clang/tools/clang-format/CMakeLists.txt
===================================================================
--- clang/tools/clang-format/CMakeLists.txt
+++ clang/tools/clang-format/CMakeLists.txt
@@ -15,7 +15,7 @@
   ${CLANG_FORMAT_LIB_DEPS}
   )
 
-if( LLVM_USE_SANITIZE_COVERAGE )
+if( LIB_FUZZING_ENGINE OR LLVM_USE_SANITIZE_COVERAGE )
   add_subdirectory(fuzzer)
 endif()
 
Index: clang/tools/clang-format/fuzzer/CMakeLists.txt
===================================================================
--- clang/tools/clang-format/fuzzer/CMakeLists.txt
+++ clang/tools/clang-format/fuzzer/CMakeLists.txt
@@ -1,6 +1,8 @@
 set(LLVM_LINK_COMPONENTS support)
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer")
+if(LLVM_USE_SANITIZE_COVERAGE)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer")
+endif()
 
 add_clang_executable(clang-format-fuzzer
   EXCLUDE_FROM_ALL
@@ -8,4 +10,6 @@
   )
 
 target_link_libraries(clang-format-fuzzer
-  ${CLANG_FORMAT_LIB_DEPS})
+  ${CLANG_FORMAT_LIB_DEPS}
+  ${LIB_FUZZING_ENGINE}
+  )