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88 lines
2.6 KiB
CMake
88 lines
2.6 KiB
CMake
# ----------------------------------------------------------------------------
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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}" ${ZLIB_INCLUDE_DIRS})
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file(GLOB lib_srcs *.c)
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file(GLOB lib_hdrs *.h)
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if(ARM OR AARCH64)
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if(ENABLE_NEON)
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if(NOT AARCH64)
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list(APPEND lib_srcs arm/filter_neon.S)
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endif()
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list(APPEND lib_srcs arm/arm_init.c arm/filter_neon_intrinsics.c arm/palette_neon_intrinsics.c)
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add_definitions(-DPNG_ARM_NEON_OPT=2)
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else()
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add_definitions(-DPNG_ARM_NEON_OPT=0) # NEON assembler is not supported
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endif()
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endif()
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if(";${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} ${ZLIB_LIBRARIES})
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ocv_warnings_disable(CMAKE_C_FLAGS -Wundef -Wcast-align -Wimplicit-fallthrough -Wunused-parameter -Wsign-compare)
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set_target_properties(${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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