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36 lines
1.4 KiB
CMake
36 lines
1.4 KiB
CMake
cmake_minimum_required(VERSION 3.12.4)
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
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if(NOT ESP_PLATFORM)
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project(lvgl LANGUAGES C CXX ASM HOMEPAGE_URL https://github.com/lvgl/lvgl)
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endif()
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set(LVGL_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR})
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if(ESP_PLATFORM)
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include(${CMAKE_CURRENT_LIST_DIR}/env_support/cmake/esp.cmake)
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elseif(ZEPHYR_BASE)
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include(${CMAKE_CURRENT_LIST_DIR}/env_support/cmake/zephyr.cmake)
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elseif(MICROPY_DIR)
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include(${CMAKE_CURRENT_LIST_DIR}/env_support/cmake/micropython.cmake)
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else()
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include(${CMAKE_CURRENT_LIST_DIR}/env_support/cmake/custom.cmake)
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endif()
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#[[
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unfortunately CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS does not work for global data.
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for global data we still need decl specs.
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Check out the docs to learn more about the limitations of CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS
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https://cmake.org/cmake/help/latest/prop_tgt/WINDOWS_EXPORT_ALL_SYMBOLS.html#prop_tgt:WINDOWS_EXPORT_ALL_SYMBOLS
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For all compiled sources within the library (i.e. basically all lvgl files) we need to use dllexport.
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For all compiled sources from outside the library (i.e. files which include lvgl headers) we need to use dllimport.
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We can do this by using CMakes INTERFACE and PRIVATE keyword.
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]]
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if (MSVC)
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target_compile_definitions(lvgl
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INTERFACE LV_ATTRIBUTE_EXTERN_DATA=__declspec\(dllimport\)
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PRIVATE LV_ATTRIBUTE_EXTERN_DATA=__declspec\(dllexport\)
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)
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endif() |