forked from ray/RobotKernal-UESTC
83 lines
2.2 KiB
CMake
83 lines
2.2 KiB
CMake
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#[==============================================[
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FindJpegPkg
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-----------
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Searching jpeg library library and creating imported
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target JPEG::JPEG (this is different from shipped one with CMake)
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#]==============================================]
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# TODO Append parts for Version compasion and REQUIRED support
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if (MSVC OR MINGW)
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return()
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endif()
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# Try to find JPEG using a module or pkg-config. If that doesn't work, search for the header.
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if (NOT TARGET JPEG::JPEG)
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find_package(JPEG)
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if (JPEG_FOUND)
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message(STATUS "Found JPEG library using standard module")
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set(IMPORTED_JPEG_INCLUDE_DIRS ${JPEG_INCLUDE_DIR})
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set(IMPORTED_JPEG_LIBRARIES ${JPEG_LIBRARIES})
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else()
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find_package(PkgConfig)
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pkg_check_modules(JPEG libjpeg)
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if(JPEG_FOUND)
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message(STATUS "JPEG found by pkgconfig")
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if (DEFINED JPEG_INCLUDE_DIRS)
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set(IMPORTED_JPEG_INCLUDE_DIRS ${JPEG_INCLUDE_DIRS})
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endif()
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if(JPEG_LIBRARIES)
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find_library(JPEG_LIBRARY
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NAMES ${JPEG_LIBRARIES}
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PATHS ${JPEG_LIBDIR} ${JPEG_LIBRARY_DIRS}
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)
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if(JPEG_LIBRARY)
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set(IMPORTED_JPEG_LIBRARIES ${JPEG_LIBRARY})
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else()
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message(WARNING "Could not found libjpeg library file")
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endif()
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endif()
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else()
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message(STATUS "Searching library manually")
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find_path(IMPORTED_JPEG_INCLUDE_DIRS
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NAMES jpeglib.h
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)
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if (NOT IMPORTED_JPEG_LIBRARIES)
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find_library(IMPORTED_JPEG_LIBRARIES
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NAMES jpeg
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)
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endif()
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endif()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(JPEG
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REQUIRED_VARS IMPORTED_JPEG_LIBRARIES IMPORTED_JPEG_INCLUDE_DIRS
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)
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if(JPEG_FOUND)
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set(JpegPkg_FOUND TRUE)
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if (NOT TARGET JPEG::JPEG)
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add_library(JPEG::JPEG
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UNKNOWN IMPORTED
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)
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if(IMPORTED_JPEG_INCLUDE_DIRS)
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set_target_properties(JPEG::JPEG PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${IMPORTED_JPEG_INCLUDE_DIRS}
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)
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endif()
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if(IMPORTED_JPEG_LIBRARIES)
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set_target_properties(JPEG::JPEG PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION ${IMPORTED_JPEG_LIBRARIES}
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)
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endif()
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endif()
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endif()
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endif()
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