SET(PREFIX_ext_png "${EXTPREFIX}" )
ExternalProject_Add( ext_png
	DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
	URL https://download.sourceforge.net/libpng/libpng-1.6.37.tar.gz
	URL_HASH SHA256=daeb2620d829575513e35fecc83f0d3791a620b9b93d800b763542ece9390fb4

	PATCH_COMMAND ${PATCH_COMMAND} -p1 -i ${CMAKE_CURRENT_SOURCE_DIR}/androidpng.patch
	INSTALL_DIR ${PREFIX_ext_png}
    CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${PREFIX_ext_png} -DCMAKE_BUILD_TYPE=${GLOBAL_BUILD_TYPE} ${GLOBAL_PROFILE} -DPNG_TESTS=OFF


	UPDATE_COMMAND ""
)
