Split root CmakeLists.txt into smaller nested ones.
diff --git a/examples/libfuzzer/CMakeLists.txt b/examples/libfuzzer/CMakeLists.txt
new file mode 100644
index 0000000..173363c
--- /dev/null
+++ b/examples/libfuzzer/CMakeLists.txt
@@ -0,0 +1,37 @@
+# Copyright 2017 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+protobuf_generate_cpp(LIB_FUZZER_EXAMPLE_PROTO_SRCS
+ LIB_FUZZER_EXAMPLE_PROTO_HDRS
+ libfuzzer_example.proto)
+add_executable(libfuzzer_example
+ libfuzzer_example.cc
+ ${LIB_FUZZER_EXAMPLE_PROTO_SRCS})
+target_link_libraries(libfuzzer_example
+ protobuf-mutator
+ ${LIB_PROTO_MUTATOR_FUZZER_LIBRARIES})
+set_property(TARGET libfuzzer_example
+ PROPERTY COMPILE_FLAGS ${FUZZING_FLAGS})
+set_property(TARGET libfuzzer_example
+ PROPERTY LINK_FLAGS ${FUZZING_FLAGS})
+
+add_executable(libfuzzer_example_test
+ libfuzzer_example_test.cc)
+add_dependencies(libfuzzer_example_test libfuzzer_example)
+target_link_libraries(libfuzzer_example_test
+ ${GTEST_BOTH_LIBRARIES}
+ ${CMAKE_THREAD_LIBS_INIT})
+add_test(test.libfuzzer_example_test libfuzzer_example_test --gtest_color=yes AUTO)
+
+add_dependencies(check libfuzzer_example_test)