cmake_minimum_required(VERSION 3.10) set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") # Configuration provided via flutter tool. include(${EPHEMERAL_DIR}/generated_config.cmake) # TODO: Move the rest of this into files in ephemeral. See # https://github.com/flutter/flutter/issues/57146. # 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() # === 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) pkg_check_modules(BLKID REQUIRED IMPORTED_TARGET blkid) set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") # 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) 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 PkgConfig::BLKID ) 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} )