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Tetragramm
GitHub Repository: Tetragramm/opencv
 Path: blob/master/3rdparty/libpng/CMakeLists.txt
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# ----------------------------------------------------------------------------

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#  CMake file for libpng. See root CMakeLists.txt

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#

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# ----------------------------------------------------------------------------

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if(ENABLE_NEON)

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  project(${PNG_LIBRARY} C ASM)

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else()

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  project(${PNG_LIBRARY} C)

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endif()

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if(NOT WIN32)

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  find_library(M_LIBRARY

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    NAMES m

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    PATHS /usr/lib /usr/local/lib

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  )

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  if(NOT M_LIBRARY)

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    message(STATUS "math lib 'libm' not found; floating point support disabled")

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  endif()

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else()

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  # not needed on windows

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  set(M_LIBRARY "")

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endif()

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ocv_include_directories("${CMAKE_CURRENT_SOURCE_DIR}" ${ZLIB_INCLUDE_DIRS})

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file(GLOB lib_srcs *.c)

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file(GLOB lib_hdrs *.h)

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if(ARM OR AARCH64)

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  if(ENABLE_NEON AND NOT AARCH64)

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    list(APPEND lib_srcs arm/arm_init.c arm/filter_neon.S arm/filter_neon_intrinsics.c)

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    add_definitions(-DPNG_ARM_NEON_OPT=2)

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  else()

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    add_definitions(-DPNG_ARM_NEON_OPT=0) # NEON assembler is not supported

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  endif()

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endif()

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if(";${CPU_BASELINE_FINAL};" MATCHES "SSE2"

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    AND (NOT MSVC OR (MSVC_VERSION GREATER 1799))) # MSVS2013+ (issue #7232)

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  list(APPEND lib_srcs intel/intel_init.c intel/filter_sse2_intrinsics.c)

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  add_definitions(-DPNG_INTEL_SSE)

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endif()

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if(PPC64LE OR PPC64)

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  if(ENABLE_VSX AND NOT PPC64)

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    list(APPEND lib_srcs powerpc/powerpc_init.c powerpc/filter_vsx_intrinsics.c)

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    add_definitions(-DPNG_POWERPC_VSX_OPT=2)

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  else()

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    add_definitions(-DPNG_POWERPC_VSX_OPT=0)

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  endif()

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endif()

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# ----------------------------------------------------------------------------------

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#         Define the library target:

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# ----------------------------------------------------------------------------------

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if(MSVC)

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  add_definitions(-D_CRT_SECURE_NO_DEPRECATE)

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endif(MSVC)

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add_library(${PNG_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs})

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target_link_libraries(${PNG_LIBRARY} ${ZLIB_LIBRARIES})

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ocv_warnings_disable(CMAKE_C_FLAGS -Wcast-align -Wimplicit-fallthrough)

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set_target_properties(${PNG_LIBRARY}

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  PROPERTIES OUTPUT_NAME ${PNG_LIBRARY}

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  DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"

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  COMPILE_PDB_NAME ${PNG_LIBRARY}

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  COMPILE_PDB_NAME_DEBUG "${PNG_LIBRARY}${OPENCV_DEBUG_POSTFIX}"

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  ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH}

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  )

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if(ENABLE_SOLUTION_FOLDERS)

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  set_target_properties(${PNG_LIBRARY} PROPERTIES FOLDER "3rdparty")

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endif()

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if(NOT BUILD_SHARED_LIBS)

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  ocv_install_target(${PNG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)

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endif()

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ocv_install_3rdparty_licenses(libpng LICENSE README opencv-libpng.patch)

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