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109 lines
3.5 KiB
109 lines
3.5 KiB
5 years ago
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cmake_minimum_required(VERSION 3.10)
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set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
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# Configuration provided via flutter tool.
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include(${EPHEMERAL_DIR}/generated_config.cmake)
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# TODO: Move the rest of this into files in ephemeral. See
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# https://github.com/flutter/flutter/issues/57146.
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set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper_glfw")
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# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
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# which isn't available in 3.10.
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function(list_prepend LIST_NAME PREFIX)
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set(NEW_LIST "")
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foreach(element ${${LIST_NAME}})
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list(APPEND NEW_LIST "${PREFIX}${element}")
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endforeach(element)
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set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
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endfunction()
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# === Flutter Library ===
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set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_glfw.so")
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# Published to parent scope for install step.
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set(FLUTTER_LIBRARY_DIR "${EPHEMERAL_DIR}" PARENT_SCOPE)
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set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
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set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
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list(APPEND FLUTTER_LIBRARY_HEADERS
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"flutter_export.h"
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"flutter_glfw.h"
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"flutter_messenger.h"
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"flutter_plugin_registrar.h"
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)
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list_prepend(FLUTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/")
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add_library(flutter INTERFACE)
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target_include_directories(flutter INTERFACE
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"${EPHEMERAL_DIR}"
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)
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target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
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add_dependencies(flutter flutter_assemble)
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# === Wrapper ===
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list(APPEND CPP_WRAPPER_SOURCES_CORE
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"engine_method_result.cc"
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"standard_codec.cc"
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)
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list_prepend(CPP_WRAPPER_SOURCES_CORE "${WRAPPER_ROOT}/")
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list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
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"plugin_registrar.cc"
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)
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list_prepend(CPP_WRAPPER_SOURCES_PLUGIN "${WRAPPER_ROOT}/")
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list(APPEND CPP_WRAPPER_SOURCES_APP
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"flutter_engine.cc"
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"flutter_window_controller.cc"
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)
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list_prepend(CPP_WRAPPER_SOURCES_APP "${WRAPPER_ROOT}/")
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# Wrapper sources needed for a plugin.
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add_library(flutter_wrapper_plugin STATIC
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${CPP_WRAPPER_SOURCES_CORE}
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${CPP_WRAPPER_SOURCES_PLUGIN}
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)
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apply_standard_settings(flutter_wrapper_plugin)
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set_target_properties(flutter_wrapper_plugin PROPERTIES
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POSITION_INDEPENDENT_CODE ON)
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set_target_properties(flutter_wrapper_plugin PROPERTIES
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CXX_VISIBILITY_PRESET hidden)
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target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
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target_include_directories(flutter_wrapper_plugin PUBLIC
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"${WRAPPER_ROOT}/include"
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)
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add_dependencies(flutter_wrapper_plugin flutter_assemble)
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# Wrapper sources needed for the runner.
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add_library(flutter_wrapper_app STATIC
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${CPP_WRAPPER_SOURCES_CORE}
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${CPP_WRAPPER_SOURCES_APP}
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)
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apply_standard_settings(flutter_wrapper_app)
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target_link_libraries(flutter_wrapper_app PUBLIC flutter)
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target_include_directories(flutter_wrapper_app PUBLIC
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"${WRAPPER_ROOT}/include"
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)
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add_dependencies(flutter_wrapper_app flutter_assemble)
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# === Flutter tool backend ===
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# _phony_ is a non-existent file to force this command to run every time,
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# since currently there's no way to get a full input/output list from the
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# flutter tool.
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add_custom_command(
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OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
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${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
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${CPP_WRAPPER_SOURCES_APP}
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${CMAKE_CURRENT_BINARY_DIR}/_phony_
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COMMAND ${CMAKE_COMMAND} -E env
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${FLUTTER_TOOL_ENVIRONMENT}
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"${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
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linux-x64 ${CMAKE_BUILD_TYPE}
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)
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add_custom_target(flutter_assemble DEPENDS
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"${FLUTTER_LIBRARY}"
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${FLUTTER_LIBRARY_HEADERS}
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${CPP_WRAPPER_SOURCES_CORE}
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${CPP_WRAPPER_SOURCES_PLUGIN}
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${CPP_WRAPPER_SOURCES_APP}
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)
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