# Copyright 2022 Google LLC. All rights reserved.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file or at
# https://developers.google.com/open-source/licenses/bsd

# CMake build file to host libpng configuration.

# Turn these features on.
set(PNG_STATIC ON)
set(PNG_HARDWARE_OPTIMIZATIONS ON)

# Turn these features off.
set(PNG_SHARED OFF)
set(PNG_TESTS OFF)
set(PNG_FRAMEWORK OFF)
set(PNG_DEBUG OFF)

# Don't install anything.
set(SKIP_INSTALL_ALL ON)

# A confusing name, but this means "let us tell you where to find zlib".
set(PNG_BUILD_ZLIB ON)
# Tell libpng where to find zlib headers.
set(ZLIB_INCLUDE_DIR ../zlib/source/)
# Tell libpng where to find zlib library to link to.
set(ZLIB_LIBRARY zlibstatic)

# With these set in scope of this folder, load the library's own CMakeLists.txt.
add_subdirectory(source)