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https://github.com/crystalidea/qt6windows7.git
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43 lines
1.4 KiB
CMake
43 lines
1.4 KiB
CMake
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# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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# We can't create the same interface imported target multiple times, CMake will complain if we do
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# that. This can happen if the find_package call is done in multiple different subdirectories.
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if(TARGET WrapSystemPNG::WrapSystemPNG)
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set(WrapSystemPNG_FOUND TRUE)
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return()
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endif()
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set(WrapSystemPNG_REQUIRED_VARS __png_found)
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find_package(PNG ${${CMAKE_FIND_PACKAGE_NAME}_FIND_VERSION} QUIET)
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set(__png_target_name "PNG::PNG")
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if(PNG_FOUND AND TARGET "${__png_target_name}")
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set(__png_found TRUE)
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if(PNG_VERSION)
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set(WrapSystemPNG_VERSION "${PNG_VERSION}")
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endif()
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endif()
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if(PNG_LIBRARIES)
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list(PREPEND WrapSystemPNG_REQUIRED_VARS PNG_LIBRARIES)
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endif()
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if(PNG_VERSION)
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set(WrapSystemPNG_VERSION "${PNG_VERSION}")
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elseif(PNG_VERSION_STRING)
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set(WrapSystemPNG_VERSION "${PNG_VERSION_STRING}")
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(WrapSystemPNG
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REQUIRED_VARS ${WrapSystemPNG_REQUIRED_VARS}
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VERSION_VAR WrapSystemPNG_VERSION)
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if(WrapSystemPNG_FOUND)
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add_library(WrapSystemPNG::WrapSystemPNG INTERFACE IMPORTED)
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target_link_libraries(WrapSystemPNG::WrapSystemPNG
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INTERFACE "${__png_target_name}")
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endif()
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unset(__png_target_name)
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unset(__png_found)
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