Add missing copyright headers.

PiperOrigin-RevId: 762677990
diff --git a/cmake/AddFuzzTest.cmake b/cmake/AddFuzzTest.cmake
index d097431..ca649a9 100644
--- a/cmake/AddFuzzTest.cmake
+++ b/cmake/AddFuzzTest.cmake
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# 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.
+
 function(link_fuzztest name)
   target_link_libraries(
     ${name}
diff --git a/cmake/BuildDependencies.cmake b/cmake/BuildDependencies.cmake
index 5214fce..de9323f 100644
--- a/cmake/BuildDependencies.cmake
+++ b/cmake/BuildDependencies.cmake
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# 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.
+
 cmake_minimum_required(VERSION 3.19)
 
 include(FetchContent)
diff --git a/cmake/CMakeLists.txt.jinja b/cmake/CMakeLists.txt.jinja
index 3f8f844..9a85cb1 100644
--- a/cmake/CMakeLists.txt.jinja
+++ b/cmake/CMakeLists.txt.jinja
@@ -1,3 +1,16 @@
+# Copyright 2023 Google LLC
+#
+# 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.
 
 {%- for target in targets %}
 
diff --git a/cmake/FuzzTestFlagSetup.cmake b/cmake/FuzzTestFlagSetup.cmake
index 95f744a..ac6a24a 100644
--- a/cmake/FuzzTestFlagSetup.cmake
+++ b/cmake/FuzzTestFlagSetup.cmake
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# 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.
+
 macro(fuzztest_setup_fuzzing_flags)
   if (FUZZTEST_FUZZING_MODE OR (FUZZTEST_COMPATIBILITY_MODE STREQUAL "libfuzzer"))
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -UNDEBUG -fsanitize=address")
diff --git a/cmake/FuzzTestHelpers.cmake b/cmake/FuzzTestHelpers.cmake
index b907ff8..0448aa9 100644
--- a/cmake/FuzzTestHelpers.cmake
+++ b/cmake/FuzzTestHelpers.cmake
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# 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.
+
 include(CMakeParseArguments)
 
 # fuzztest_cc_library()
diff --git a/cmake/generate_cmake_from_bazel.py b/cmake/generate_cmake_from_bazel.py
index 83d31d5..1816c62 100755
--- a/cmake/generate_cmake_from_bazel.py
+++ b/cmake/generate_cmake_from_bazel.py
@@ -1,5 +1,19 @@
 #!/usr/bin/env python3
+
+# Copyright 2023 Google LLC
 #
+# 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.
+
 # Experimental script that generates CMakeLists.txt files from BUILD files.
 #
 # Requires: python3, jinja2, and bazel.