18 lines
667 B
CMake
18 lines
667 B
CMake
option(NANA_CMAKE_ENABLE_PNG "Enable the use of PNG" OFF)
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option(NANA_CMAKE_LIBPNG_FROM_OS "Use libpng from operating system." ON)
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# todo: decide - PUBLIC vs PRIVATE
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if(NANA_CMAKE_ENABLE_PNG)
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target_compile_definitions(nana PUBLIC NANA_ENABLE_PNG)
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if(NANA_CMAKE_LIBPNG_FROM_OS)
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find_package(PNG)
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if(PNG_FOUND)
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target_include_directories(nana PUBLIC ${PNG_INCLUDE_DIRS})
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target_link_libraries (nana PUBLIC ${PNG_LIBRARIES})
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target_compile_definitions(nana PUBLIC USE_LIBPNG_FROM_OS ${PNG_DEFINITIONS})
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endif()
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else()
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target_compile_definitions(nana PUBLIC -lpng)
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endif()
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endif() |