flutter/examples/api/linux/flutter/CMakeLists.txt
Greg Spencer 33403bd28e
Extract Sample code into examples/api (#87280)
This extracts the sample code out from the API doc comments, and places them in separate files on disk, allowing running of the examples locally, testing them, and building of slightly larger examples.
2021-08-25 09:45:12 -07:00

88 lines
2.7 KiB
CMake

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)
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
)
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}
)