opencv/modules/core/CMakeLists.txt

if(ZLIB_FOUND)
    include_directories(${ZLIB_INCUDE_DIR})
    set(deps ${ZLIB_LIBRARIES})
else()
    include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../../3rdparty/zlib")
    set(deps zlib)
endif()
define_opencv_module(core ${deps})
moved image codecs' headers to the respective subdirectories; allow the user to use system zlib. 14 years ago			`if(ZLIB_FOUND)`
			`include_directories(${ZLIB_INCUDE_DIR})`
			`set(deps ${ZLIB_LIBRARIES})`
			`else()`
			`include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../../3rdparty/zlib")`
			`set(deps zlib)`
			`endif()`
"atomic bomb" commit. Reorganized OpenCV directory structure 15 years ago			`define_opencv_module(core ${deps})`