#it defines common setup
include(PackageSetup)
#define te url of thee package
set(URL http://www.zlib.net/zlib-1.2.3.tar.gz)
set(PATCH_COMMAND ${CMAKE_COMMAND} -E copy ${Package_Dir}/Patch/CMakeLists.txt <SOURCE_DIR>/CMakeLists.txt)

#include(SimpleExternalProject)
ExternalProject_Add(
	${PACKAGE}
	SOURCE_DIR ${BASE_SOURCE}/${PACKAGE}/src
	BINARY_DIR ${BASE_BUILD}/${PACKAGE}/build
	INSTALL_DIR ${CMAKE_INSTALL_PREFIX}
	URL http://www.zlib.net/zlib-1.2.3.tar.gz
	PATCH_COMMAND ${CMAKE_COMMAND} -E copy "${Package_Dir}/Patch/CMakeLists.txt" <SOURCE_DIR>/CMakeLists.txt
	CMAKE_COMMAND ${CMAKE_COMMAND}
	CMAKE_ARGS 
		${Package_std_cmake_args}
)

	ExternalProject_Add_Step(
		${PACKAGE}	pack_source	
		COMMAND ${CMAKE_COMMAND} -E tar czf src.tgz src
		DEPENDEES patch
		WORKING_DIRECTORY ${BASE_SOURCE}/${PACKAGE}
	)

	ExternalProject_Add_Step(
		${PACKAGE}	check_source	
		COMMAND ${CMAKE_COMMAND} -E md5sum src.tgz src
		DEPENDERS configure
		DEPENDEES pack_source
		DEPENDS ${BASE_SOURCE}/${PACKAGE}/src.tgz
		WORKING_DIRECTORY ${BASE_SOURCE}/${PACKAGE}
	)



	
#get_filename_component(Package_Dir ${CMAKE_CURRENT_LIST_FILE} PATH)
#message("processing file-->${Package_Dir} parent ${CMAKE_PARENT_LIST_FILE}")
#
#ExternalProject_Add(
#${PACKAGE}
##URL http://downloads.sourceforge.net/project/libpng/zlib/1.2.3/zlib-1.2.3.tar.gz?use_mirror=garr
#URL http://www.zlib.net/zlib-1.2.3.tar.gz
#PATCH_COMMAND ${CMAKE_COMMAND} -E copy "${Package_Dir}/Patch/CMakeLists.txt" <SOURCE_DIR>/CMakeLists.txt
#INSTALL_DIR ${CMAKE_INSTALL_PREFIX}
#CMAKE_COMMAND ${CMAKE_COMMAND}
#CMAKE_ARGS 
#-DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
#-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
#)