CMake: remove duplicate "include(GNUInstallDirs)"
+ add missing copyright header
+##
+## Copyright (c) 2020 Google LLC.
+##
+## Use of this source code is governed by a BSD-style license
+## that can be found in the LICENSE file in the root of the source
+## tree. An additional intellectual property rights grant can be found
+## in the file PATENTS. All contributing project authors may
+## be found in the AUTHORS file in the root of the source tree.
+
cmake_minimum_required(VERSION 3.5)
project(WebP C)
@@ -651,7 +660,6 @@ if(WEBP_BUILD_ANIM_UTILS)
endif()
# Install the different headers and libraries.
-include(GNUInstallDirs)
install(TARGETS ${INSTALLED_LIBRARIES}
EXPORT ${PROJECT_NAME}Targets
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webp
