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Add Linux support to Pigeon (flutter#5100)
Add Linux support for Pigeon. This has minimal work porting the generator and some manually written generated code so we can review this before implementing the generator support. flutter/flutter#73740
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| @@ -0,0 +1 @@ | ||
| flutter/ephemeral |
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| # Project-level configuration. | ||
| cmake_minimum_required(VERSION 3.10) | ||
| project(runner LANGUAGES CXX) | ||
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| # The name of the executable created for the application. Change this to change | ||
| # the on-disk name of your application. | ||
| set(BINARY_NAME "pigeon_example_app") | ||
| # The unique GTK application identifier for this application. See: | ||
| # https://wiki.gnome.org/HowDoI/ChooseApplicationID | ||
| set(APPLICATION_ID "dev.flutter.pigeon_example_app") | ||
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| # Explicitly opt in to modern CMake behaviors to avoid warnings with recent | ||
| # versions of CMake. | ||
| cmake_policy(SET CMP0063 NEW) | ||
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| # Load bundled libraries from the lib/ directory relative to the binary. | ||
| set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") | ||
|
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| # Root filesystem for cross-building. | ||
| if(FLUTTER_TARGET_PLATFORM_SYSROOT) | ||
| set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT}) | ||
| set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT}) | ||
| set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) | ||
| set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) | ||
| set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) | ||
| set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) | ||
| endif() | ||
|
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| # Define build configuration options. | ||
| if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) | ||
| set(CMAKE_BUILD_TYPE "Debug" CACHE | ||
| STRING "Flutter build mode" FORCE) | ||
| set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS | ||
| "Debug" "Profile" "Release") | ||
| endif() | ||
|
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||
| # Compilation settings that should be applied to most targets. | ||
| # | ||
| # Be cautious about adding new options here, as plugins use this function by | ||
| # default. In most cases, you should add new options to specific targets instead | ||
| # of modifying this function. | ||
| function(APPLY_STANDARD_SETTINGS TARGET) | ||
| target_compile_features(${TARGET} PUBLIC cxx_std_14) | ||
| target_compile_options(${TARGET} PRIVATE -Wall -Werror) | ||
| target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>") | ||
| target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>") | ||
| endfunction() | ||
|
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||
| # Flutter library and tool build rules. | ||
| set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") | ||
| add_subdirectory(${FLUTTER_MANAGED_DIR}) | ||
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| # System-level dependencies. | ||
| find_package(PkgConfig REQUIRED) | ||
| pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) | ||
|
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| add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}") | ||
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| # Define the application target. To change its name, change BINARY_NAME above, | ||
| # not the value here, or `flutter run` will no longer work. | ||
| # | ||
| # Any new source files that you add to the application should be added here. | ||
| add_executable(${BINARY_NAME} | ||
| "main.cc" | ||
| "my_application.cc" | ||
| "messages.g.cc" | ||
| "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" | ||
| ) | ||
|
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| # Apply the standard set of build settings. This can be removed for applications | ||
| # that need different build settings. | ||
| apply_standard_settings(${BINARY_NAME}) | ||
|
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| # Add dependency libraries. Add any application-specific dependencies here. | ||
| target_link_libraries(${BINARY_NAME} PRIVATE flutter) | ||
| target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK) | ||
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| # Run the Flutter tool portions of the build. This must not be removed. | ||
| add_dependencies(${BINARY_NAME} flutter_assemble) | ||
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| # Only the install-generated bundle's copy of the executable will launch | ||
| # correctly, since the resources must in the right relative locations. To avoid | ||
| # people trying to run the unbundled copy, put it in a subdirectory instead of | ||
| # the default top-level location. | ||
| set_target_properties(${BINARY_NAME} | ||
| PROPERTIES | ||
| RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run" | ||
| ) | ||
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| # Generated plugin build rules, which manage building the plugins and adding | ||
| # them to the application. | ||
| include(flutter/generated_plugins.cmake) | ||
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| # === Installation === | ||
| # By default, "installing" just makes a relocatable bundle in the build | ||
| # directory. | ||
| set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle") | ||
| if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) | ||
| set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) | ||
| endif() | ||
|
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| # Start with a clean build bundle directory every time. | ||
| install(CODE " | ||
| file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\") | ||
| " COMPONENT Runtime) | ||
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| set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") | ||
| set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib") | ||
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| install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" | ||
| COMPONENT Runtime) | ||
|
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| install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" | ||
| COMPONENT Runtime) | ||
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| install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" | ||
| COMPONENT Runtime) | ||
|
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| foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES}) | ||
| install(FILES "${bundled_library}" | ||
| DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" | ||
| COMPONENT Runtime) | ||
| endforeach(bundled_library) | ||
|
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| # Fully re-copy the assets directory on each build to avoid having stale files | ||
| # from a previous install. | ||
| set(FLUTTER_ASSET_DIR_NAME "flutter_assets") | ||
| install(CODE " | ||
| file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") | ||
| " COMPONENT Runtime) | ||
| install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" | ||
| DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) | ||
|
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| # Install the AOT library on non-Debug builds only. | ||
| if(NOT CMAKE_BUILD_TYPE MATCHES "Debug") | ||
| install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" | ||
| COMPONENT Runtime) | ||
| endif() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| # This file controls Flutter-level build steps. It should not be edited. | ||
| cmake_minimum_required(VERSION 3.10) | ||
|
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| set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") | ||
|
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| # Configuration provided via flutter tool. | ||
| include(${EPHEMERAL_DIR}/generated_config.cmake) | ||
|
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| # TODO: Move the rest of this into files in ephemeral. See | ||
| # https://github.com/flutter/flutter/issues/57146. | ||
|
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| # Serves the same purpose as list(TRANSFORM ... PREPEND ...), | ||
| # which isn't available in 3.10. | ||
| function(list_prepend LIST_NAME PREFIX) | ||
| set(NEW_LIST "") | ||
| foreach(element ${${LIST_NAME}}) | ||
| list(APPEND NEW_LIST "${PREFIX}${element}") | ||
| endforeach(element) | ||
| set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE) | ||
| endfunction() | ||
|
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||
| # === Flutter Library === | ||
| # System-level dependencies. | ||
| find_package(PkgConfig REQUIRED) | ||
| pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) | ||
| pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0) | ||
| pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0) | ||
|
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| set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") | ||
|
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| # Published to parent scope for install step. | ||
| set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) | ||
| set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) | ||
| set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) | ||
| set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE) | ||
|
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| list(APPEND FLUTTER_LIBRARY_HEADERS | ||
| "fl_basic_message_channel.h" | ||
| "fl_binary_codec.h" | ||
| "fl_binary_messenger.h" | ||
| "fl_dart_project.h" | ||
| "fl_engine.h" | ||
| "fl_json_message_codec.h" | ||
| "fl_json_method_codec.h" | ||
| "fl_message_codec.h" | ||
| "fl_method_call.h" | ||
| "fl_method_channel.h" | ||
| "fl_method_codec.h" | ||
| "fl_method_response.h" | ||
| "fl_plugin_registrar.h" | ||
| "fl_plugin_registry.h" | ||
| "fl_standard_message_codec.h" | ||
| "fl_standard_method_codec.h" | ||
| "fl_string_codec.h" | ||
| "fl_value.h" | ||
| "fl_view.h" | ||
| "flutter_linux.h" | ||
| ) | ||
| list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/") | ||
| add_library(flutter INTERFACE) | ||
| target_include_directories(flutter INTERFACE | ||
| "${EPHEMERAL_DIR}" | ||
| ) | ||
| target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}") | ||
| target_link_libraries(flutter INTERFACE | ||
| PkgConfig::GTK | ||
| PkgConfig::GLIB | ||
| PkgConfig::GIO | ||
| ) | ||
| add_dependencies(flutter flutter_assemble) | ||
|
|
||
| # === Flutter tool backend === | ||
| # _phony_ is a non-existent file to force this command to run every time, | ||
| # since currently there's no way to get a full input/output list from the | ||
| # flutter tool. | ||
| add_custom_command( | ||
| OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} | ||
| ${CMAKE_CURRENT_BINARY_DIR}/_phony_ | ||
| COMMAND ${CMAKE_COMMAND} -E env | ||
| ${FLUTTER_TOOL_ENVIRONMENT} | ||
| "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" | ||
| ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE} | ||
| VERBATIM | ||
| ) | ||
| add_custom_target(flutter_assemble DEPENDS | ||
| "${FLUTTER_LIBRARY}" | ||
| ${FLUTTER_LIBRARY_HEADERS} | ||
| ) |
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packages/pigeon/example/app/linux/flutter/generated_plugins.cmake
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| # | ||
| # Generated file, do not edit. | ||
| # | ||
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| list(APPEND FLUTTER_PLUGIN_LIST | ||
| ) | ||
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| list(APPEND FLUTTER_FFI_PLUGIN_LIST | ||
| ) | ||
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| set(PLUGIN_BUNDLED_LIBRARIES) | ||
|
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| foreach(plugin ${FLUTTER_PLUGIN_LIST}) | ||
| add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin}) | ||
| target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) | ||
| list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>) | ||
| list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) | ||
| endforeach(plugin) | ||
|
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| foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) | ||
| add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin}) | ||
| list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) | ||
| endforeach(ffi_plugin) |
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