--- /dev/null
+# ----------------------------------------------------------------------------
+# CMake file for libpng. See root CMakeLists.txt
+#
+# ----------------------------------------------------------------------------
+project(libpng)
+
+# List of C++ files:
+
+include_directories(
+ "${CMAKE_CURRENT_SOURCE_DIR}"
+ "${CMAKE_CURRENT_SOURCE_DIR}/../include"
+ )
+
+file(GLOB lib_srcs *.c)
+file(GLOB lib_hdrs *.h)
+set(lib_ext_hdrs "../include/png.h" "../include/pngconf.h")
+
+# ----------------------------------------------------------------------------------
+# Define the library target:
+# ----------------------------------------------------------------------------------
+
+set(the_target "libpng")
+
+add_library(${the_target} STATIC ${lib_srcs} ${lib_hdrs})
+
+if(MSVC)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3")
+endif()
+
+if(UNIX AND CMAKE_COMPILER_IS_GNUCXX)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
+endif()
+
+set_target_properties(${the_target}
+ PROPERTIES OUTPUT_NAME "${the_target}"
+ DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
+ ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/3rdparty/lib"
+ )