在 Linux 上编译 Flutter 应用程序时未定义引用
Undefined reference while compiling Flutter app on Linux
我构建了一个使用 Dart FFI 和共享库的插件并发布到 pub.dev。每当我尝试在我的应用程序中使用该插件时，它总是失败并显示找不到文件错误，我不知道错误来自何处。
错误：
[ ] [ ] origin/stable
[ ] [ ] executing: [/home/francis/Development/flutter/] git ls-remote --get-url origin
[ ] [ +10 ms] Exit code 0 from: git ls-remote --get-url origin
[ ] [ ] https://github.com/flutter/flutter.git
[ ] [ +160 ms] executing: [/home/francis/Development/flutter/] git rev-parse --abbrev-ref HEAD
[ ] [ +12 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[ ] [ ] stable
[ ] [ +139 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ ] [ +6 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ ] [ +212 ms] Artifact Instance of 'MaterialFonts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'GradleWrapper' is not required, skipping update.
[ ] [ ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[ +9 ms] [ ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[ ] [ ] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] [ +3 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'PubDependencies' is not required, skipping update.
[ +1 ms] [ +96 ms] Initializing file store
[ ] [ +28 ms] Done initializing file store
[ ] [ +96 ms] Skipping target: gen_localizations
[ ] [ +16 ms] Skipping target: gen_dart_plugin_registrant
[ ] [+1046 ms] Skipping target: unpack_linux
[ ] [ +989 ms] Skipping target: kernel_snapshot
[ ] [ +391 ms] Skipping target: debug_bundle_linux-x64_assets
[ ] [ ] Persisting file store
[ ] [ +19 ms] Done persisting file store
[ ] [ +7 ms] build succeeded.
[ ] [ +11 ms] "flutter assemble" took 2,983ms.
[ ] [ +260 ms] ensureAnalyticsSent: 255ms
[ ] [ +2 ms] Running shutdown hooks
[ ] [ ] Shutdown hooks complete
[ ] [ +1 ms] exiting with code 0
[ +922 ms] [2/5] Building CXX object CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o
[ +1 ms] FAILED: CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o
[ +5 ms] /usr/bin/clang++ -DAPPLICATION_ID=\"com.example.dspace\"
-I/home/francis/AndroidStudioProjects/dspace/linux/flutter/ephemeral
-I/home/francis/AndroidStudioProjects/dspace/linux/flutter/ephemeral/.plugin_symlinks/size/linux/src -isystem
/usr/include/gtk-3.0 -isystem /usr/include/pango-1.0 -isystem /usr/include/glib-2.0 -isystem
/usr/lib/glib-2.0/include -isystem /usr/include/harfbuzz -isystem /usr/include/freetype2 -isystem
/usr/include/libpng16 -isystem /usr/include/libmount -isystem /usr/include/blkid -isystem
/usr/include/fribidi -isystem /usr/include/cairo -isystem /usr/include/lzo -isystem /usr/include/pixman-1
-isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/gio-unix-2.0 -isystem /usr/include/cloudproviders
-isystem /usr/include/atk-1.0 -isystem /usr/include/at-spi2-atk/2.0 -isystem /usr/include/dbus-1.0 -isystem
/usr/lib/dbus-1.0/include -isystem /usr/include/at-spi-2.0 -g -Wall -Werror -pthread -std=gnu++17 -MD -MT
CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o -MF
CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o.d -o
CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o -c
/home/francis/AndroidStudioProjects/dspace/linux/flutter/generated_plugin_registrant.cc
[ +14 ms] /home/francis/AndroidStudioProjects/dspace/linux/flutter/generated_plugin_registrant.cc:9:10:
fatal error: 'size/size_plugin.h' file not found
[ +1 ms] #include <size/size_plugin.h>
[ ] ^~~~~~~~~~~~~~~~~~~~
[ ] 1 error generated.
[ +417 ms] [3/5] Building CXX object CMakeFiles/dspace.dir/my_application.cc.o
[ +2 ms] ninja: build stopped: subcommand failed.
[ +42 ms] Building Linux application... (completed in 6.8s)
[+6533 ms] Exception: Build process failed
[ +4 ms] "flutter run" took 13,967ms.
[ +18 ms]
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
#1 RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:669:9)
<asynchronous suspension>
#2 FlutterCommand.run.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command.dart:1125:27)
<asynchronous suspension>
#3 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#4 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#5 FlutterCommandRunner.runCommand.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command_runner.dart:288:9)
<asynchronous suspension>
#6 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#7 FlutterCommandRunner.runCommand
(package:flutter_tools/src/runner/flutter_command_runner.dart:236:5)
<asynchronous suspension>
#8 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
<asynchronous suspension>
#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#10 main (package:flutter_tools/executable.dart:92:3)
<asynchronous suspension>
[ +260 ms] ensureAnalyticsSent: 254ms
[ +1 ms] Running shutdown hooks
[ ] Shutdown hooks complete
[ ] exiting with code 1
我已经多次修改我的 cmake 文件来解决这个问题，并尝试了各种包含方法但无济于事。
当前 cmake:
cmake_minimum_required(VERSION 3.10)
set(CMAKE_CXX_STANDARD 17) # Use C++17 lib
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS 1)
#set(CMAKE_BUILD_TYPE RELEASE)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
#set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR})
project(size_plugin VERSION 1.0.0 LANGUAGES CXX)
set(PLUGIN_NAME "size_plugin")
set(HEADER_FILES "src/size_plugin.h")
set(SOURCE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/src/size_plugin.cc")
message(${FLUTTER_MANAGED_DIR})
message(${HEADER_FILES} ${CMAKE_SOURCE_DIR})
#add_library(size SHARED src/fsize.cpp)
add_library(${PLUGIN_NAME} SHARED
${HEADER_FILES}
${SOURCE_FILES}
)
apply_standard_settings(${PLUGIN_NAME})
#target_include_directories(${PLUGIN_NAME} INTERFACE ${HEADER_FILES})
target_include_directories(${PLUGIN_NAME} INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/src")
target_link_libraries(${PLUGIN_NAME} PRIVATE flutter)
target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
#add_executable(size_test src/fsize.cpp)
我的 pubspec
name: size
description: A simple plugin that can display disk size on desktop.
version: 1.0.3
repository: https://github.com/Clashkid155/size
issue_tracker: https://github.com/Clashkid155/size/issues
# homepage: https://www.example.com
environment:
sdk: '>=2.14.3 <3.0.0'
flutter: '>=1.20.0 '
flutter:
plugin:
platforms:
linux:
pluginClass: SizePlugin
windows:
pluginClass: SizePlugin
dependencies:
ffi: ^1.1.2
path: ^1.8.0
提供的每个信息都来自我的插件，而不是我正在尝试构建的 flutter 应用程序，因为当我添加该插件时整个问题就开始了
我一直在使用 this 作为参考。
我现在唯一的选择是使用方法通道重建插件，因为那是插件的第一次迭代，但我没有依赖 flutter 和 dart FFI 更容易，需要的代码更少。
更新：
我通过将插件重新生成为添加了丢失文件的 flutter 插件解决了上述错误。
现在我有另一个构建错误
[ +71 ms] [4/7] Building CXX object CMakeFiles/dspace.dir/my_application.cc.o
[ +91 ms] [5/7] Linking CXX shared library plugins/size/libsize_plugin.so
[ +255 ms] [6/7] Linking CXX executable intermediates_do_not_run/dspace
[ ] FAILED: intermediates_do_not_run/dspace
[ +2 ms] : && /usr/bin/clang++ -g CMakeFiles/dspace.dir/main.cc.o
CMakeFiles/dspace.dir/my_application.cc.o CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o -o
intermediates_do_not_run/dspace
-Wl,-rpath,/home/francis/AndroidStudioProjects/dspace/build/linux/x64/debug/plugins/size:/home/francis/Androi
dStudioProjects/dspace/linux/flutter/ephemeral: plugins/size/libsize_plugin.so
/home/francis/AndroidStudioProjects/dspace/linux/flutter/ephemeral/libflutter_linux_gtk.so
/usr/lib/libgtk-3.so /usr/lib/libgdk-3.so /usr/lib/libz.so /usr/lib/libpangocairo-1.0.so
/usr/lib/libpango-1.0.so /usr/lib/libharfbuzz.so /usr/lib/libatk-1.0.so /usr/lib/libcairo-gobject.so
/usr/lib/libcairo.so /usr/lib/libgdk_pixbuf-2.0.so /usr/lib/libgio-2.0.so /usr/lib/libgobject-2.0.so
/usr/lib/libglib-2.0.so && :
[ +1 ms] /usr/bin/ld: CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o: in function
`fl_register_plugins(_FlPluginRegistry*)':
[ ] /home/francis/AndroidStudioProjects/dspace/linux/flutter/generated_plugin_registrant.cc:14:
undefined reference to `size_plugin_register_with_registrar'
[ +1 ms] clang-12: error: linker command failed with exit code 1 (use -v to see invocation)
[ +4 ms] ninja: build stopped: subcommand failed.
[ +26 ms] Building Linux application... (completed in 26.1s)
[ +1 ms] Exception: Build process failed
[ +2 ms] "flutter run" took 26,807ms.
[ +6 ms]
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
#1 RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:669:9)
<asynchronous suspension>
#2 FlutterCommand.run.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command.dart:1125:27)
<asynchronous suspension>
#3 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#4 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#5 FlutterCommandRunner.runCommand.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command_runner.dart:288:9)
<asynchronous suspension>
#6 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#7 FlutterCommandRunner.runCommand
(package:flutter_tools/src/runner/flutter_command_runner.dart:236:5)
<asynchronous suspension>
#8 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
<asynchronous suspension>
#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#10 main (package:flutter_tools/executable.dart:92:3)
<asynchronous suspension>
[ +257 ms] ensureAnalyticsSent: 253ms
[ +2 ms] Running shutdown hooks
[ ] Shutdown hooks complete
[ ] exiting with code 1
generated_plugin_registrant.cc
的内容
//
// Generated file. Do not edit.
//
// clang-format off
#include "generated_plugin_registrant.h"
#include <size/size_plugin.h>
void fl_register_plugins(FlPluginRegistry* registry) {
g_autoptr(FlPluginRegistrar) size_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "SizePlugin");
size_plugin_register_with_registrar(size_registrar);
}
size_plugin.h
的内容
#ifndef FLUTTER_PLUGIN_SIZE_PLUGIN_H_
#define FLUTTER_PLUGIN_SIZE_PLUGIN_H_
#include <flutter_linux/flutter_linux.h>
G_BEGIN_DECLS
#ifdef FLUTTER_PLUGIN_IMPL
#define FLUTTER_PLUGIN_EXPORT __attribute__((visibility("default")))
#else
#define FLUTTER_PLUGIN_EXPORT
#endif
typedef struct _SizePlugin SizePlugin;
typedef struct {
GObjectClass parent_class;
} SizePluginClass;
FLUTTER_PLUGIN_EXPORT GType size_plugin_get_type();
FLUTTER_PLUGIN_EXPORT void size_plugin_register_with_registrar(
FlPluginRegistrar* registrar);
G_END_DECLS
#endif // FLUTTER_PLUGIN_SIZE_PLUGIN_H_
generated_plugin_registrant.h
的内容
//
// Generated file. Do not edit.
//
// clang-format off
#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_
#include <flutter_linux/flutter_linux.h>
// Registers Flutter plugins.
void fl_register_plugins(FlPluginRegistry* registry);
#endif // GENERATED_PLUGIN_REGISTRANT_
Flutter 插件遵循非常特定的格式，并且该工具需要存在该格式的核心元素。正如您所发现的，这包括具有正确路径的 public 头文件，以及插件注册，这是您遇到的第二个问题（听起来您已经恢复了声明，但没有恢复实现）。
如果您的目标是借助插件模板构建您自己的 FFI 库代码，则需要保留这些核心元素。您的注册方法不需要执行任何操作，但它必须存在，因为 flutter 工具会生成对它的调用。
将来很可能会有针对 FFI 特定构建的工具支持，但在那之前您需要让您的库遵循插件结构的必需元素。
我构建了一个使用 Dart FFI 和共享库的插件并发布到 pub.dev。每当我尝试在我的应用程序中使用该插件时，它总是失败并显示找不到文件错误，我不知道错误来自何处。
错误：
[ ] [ ] origin/stable
[ ] [ ] executing: [/home/francis/Development/flutter/] git ls-remote --get-url origin
[ ] [ +10 ms] Exit code 0 from: git ls-remote --get-url origin
[ ] [ ] https://github.com/flutter/flutter.git
[ ] [ +160 ms] executing: [/home/francis/Development/flutter/] git rev-parse --abbrev-ref HEAD
[ ] [ +12 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[ ] [ ] stable
[ ] [ +139 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ ] [ +6 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ ] [ +212 ms] Artifact Instance of 'MaterialFonts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'GradleWrapper' is not required, skipping update.
[ ] [ ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[ +9 ms] [ ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[ ] [ ] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] [ +3 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping update.
[ ] [ ] Artifact Instance of 'PubDependencies' is not required, skipping update.
[ +1 ms] [ +96 ms] Initializing file store
[ ] [ +28 ms] Done initializing file store
[ ] [ +96 ms] Skipping target: gen_localizations
[ ] [ +16 ms] Skipping target: gen_dart_plugin_registrant
[ ] [+1046 ms] Skipping target: unpack_linux
[ ] [ +989 ms] Skipping target: kernel_snapshot
[ ] [ +391 ms] Skipping target: debug_bundle_linux-x64_assets
[ ] [ ] Persisting file store
[ ] [ +19 ms] Done persisting file store
[ ] [ +7 ms] build succeeded.
[ ] [ +11 ms] "flutter assemble" took 2,983ms.
[ ] [ +260 ms] ensureAnalyticsSent: 255ms
[ ] [ +2 ms] Running shutdown hooks
[ ] [ ] Shutdown hooks complete
[ ] [ +1 ms] exiting with code 0
[ +922 ms] [2/5] Building CXX object CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o
[ +1 ms] FAILED: CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o
[ +5 ms] /usr/bin/clang++ -DAPPLICATION_ID=\"com.example.dspace\"
-I/home/francis/AndroidStudioProjects/dspace/linux/flutter/ephemeral
-I/home/francis/AndroidStudioProjects/dspace/linux/flutter/ephemeral/.plugin_symlinks/size/linux/src -isystem
/usr/include/gtk-3.0 -isystem /usr/include/pango-1.0 -isystem /usr/include/glib-2.0 -isystem
/usr/lib/glib-2.0/include -isystem /usr/include/harfbuzz -isystem /usr/include/freetype2 -isystem
/usr/include/libpng16 -isystem /usr/include/libmount -isystem /usr/include/blkid -isystem
/usr/include/fribidi -isystem /usr/include/cairo -isystem /usr/include/lzo -isystem /usr/include/pixman-1
-isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/gio-unix-2.0 -isystem /usr/include/cloudproviders
-isystem /usr/include/atk-1.0 -isystem /usr/include/at-spi2-atk/2.0 -isystem /usr/include/dbus-1.0 -isystem
/usr/lib/dbus-1.0/include -isystem /usr/include/at-spi-2.0 -g -Wall -Werror -pthread -std=gnu++17 -MD -MT
CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o -MF
CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o.d -o
CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o -c
/home/francis/AndroidStudioProjects/dspace/linux/flutter/generated_plugin_registrant.cc
[ +14 ms] /home/francis/AndroidStudioProjects/dspace/linux/flutter/generated_plugin_registrant.cc:9:10:
fatal error: 'size/size_plugin.h' file not found
[ +1 ms] #include <size/size_plugin.h>
[ ] ^~~~~~~~~~~~~~~~~~~~
[ ] 1 error generated.
[ +417 ms] [3/5] Building CXX object CMakeFiles/dspace.dir/my_application.cc.o
[ +2 ms] ninja: build stopped: subcommand failed.
[ +42 ms] Building Linux application... (completed in 6.8s)
[+6533 ms] Exception: Build process failed
[ +4 ms] "flutter run" took 13,967ms.
[ +18 ms]
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
#1 RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:669:9)
<asynchronous suspension>
#2 FlutterCommand.run.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command.dart:1125:27)
<asynchronous suspension>
#3 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#4 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#5 FlutterCommandRunner.runCommand.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command_runner.dart:288:9)
<asynchronous suspension>
#6 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#7 FlutterCommandRunner.runCommand
(package:flutter_tools/src/runner/flutter_command_runner.dart:236:5)
<asynchronous suspension>
#8 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
<asynchronous suspension>
#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#10 main (package:flutter_tools/executable.dart:92:3)
<asynchronous suspension>
[ +260 ms] ensureAnalyticsSent: 254ms
[ +1 ms] Running shutdown hooks
[ ] Shutdown hooks complete
[ ] exiting with code 1
我已经多次修改我的 cmake 文件来解决这个问题，并尝试了各种包含方法但无济于事。 当前 cmake:
cmake_minimum_required(VERSION 3.10)
set(CMAKE_CXX_STANDARD 17) # Use C++17 lib
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS 1)
#set(CMAKE_BUILD_TYPE RELEASE)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
#set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR})
project(size_plugin VERSION 1.0.0 LANGUAGES CXX)
set(PLUGIN_NAME "size_plugin")
set(HEADER_FILES "src/size_plugin.h")
set(SOURCE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/src/size_plugin.cc")
message(${FLUTTER_MANAGED_DIR})
message(${HEADER_FILES} ${CMAKE_SOURCE_DIR})
#add_library(size SHARED src/fsize.cpp)
add_library(${PLUGIN_NAME} SHARED
${HEADER_FILES}
${SOURCE_FILES}
)
apply_standard_settings(${PLUGIN_NAME})
#target_include_directories(${PLUGIN_NAME} INTERFACE ${HEADER_FILES})
target_include_directories(${PLUGIN_NAME} INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/src")
target_link_libraries(${PLUGIN_NAME} PRIVATE flutter)
target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
#add_executable(size_test src/fsize.cpp)
我的 pubspec
name: size
description: A simple plugin that can display disk size on desktop.
version: 1.0.3
repository: https://github.com/Clashkid155/size
issue_tracker: https://github.com/Clashkid155/size/issues
# homepage: https://www.example.com
environment:
sdk: '>=2.14.3 <3.0.0'
flutter: '>=1.20.0 '
flutter:
plugin:
platforms:
linux:
pluginClass: SizePlugin
windows:
pluginClass: SizePlugin
dependencies:
ffi: ^1.1.2
path: ^1.8.0
提供的每个信息都来自我的插件，而不是我正在尝试构建的 flutter 应用程序，因为当我添加该插件时整个问题就开始了
我一直在使用 this 作为参考。 我现在唯一的选择是使用方法通道重建插件，因为那是插件的第一次迭代，但我没有依赖 flutter 和 dart FFI 更容易，需要的代码更少。
更新： 我通过将插件重新生成为添加了丢失文件的 flutter 插件解决了上述错误。 现在我有另一个构建错误
[ +71 ms] [4/7] Building CXX object CMakeFiles/dspace.dir/my_application.cc.o
[ +91 ms] [5/7] Linking CXX shared library plugins/size/libsize_plugin.so
[ +255 ms] [6/7] Linking CXX executable intermediates_do_not_run/dspace
[ ] FAILED: intermediates_do_not_run/dspace
[ +2 ms] : && /usr/bin/clang++ -g CMakeFiles/dspace.dir/main.cc.o
CMakeFiles/dspace.dir/my_application.cc.o CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o -o
intermediates_do_not_run/dspace
-Wl,-rpath,/home/francis/AndroidStudioProjects/dspace/build/linux/x64/debug/plugins/size:/home/francis/Androi
dStudioProjects/dspace/linux/flutter/ephemeral: plugins/size/libsize_plugin.so
/home/francis/AndroidStudioProjects/dspace/linux/flutter/ephemeral/libflutter_linux_gtk.so
/usr/lib/libgtk-3.so /usr/lib/libgdk-3.so /usr/lib/libz.so /usr/lib/libpangocairo-1.0.so
/usr/lib/libpango-1.0.so /usr/lib/libharfbuzz.so /usr/lib/libatk-1.0.so /usr/lib/libcairo-gobject.so
/usr/lib/libcairo.so /usr/lib/libgdk_pixbuf-2.0.so /usr/lib/libgio-2.0.so /usr/lib/libgobject-2.0.so
/usr/lib/libglib-2.0.so && :
[ +1 ms] /usr/bin/ld: CMakeFiles/dspace.dir/flutter/generated_plugin_registrant.cc.o: in function
`fl_register_plugins(_FlPluginRegistry*)':
[ ] /home/francis/AndroidStudioProjects/dspace/linux/flutter/generated_plugin_registrant.cc:14:
undefined reference to `size_plugin_register_with_registrar'
[ +1 ms] clang-12: error: linker command failed with exit code 1 (use -v to see invocation)
[ +4 ms] ninja: build stopped: subcommand failed.
[ +26 ms] Building Linux application... (completed in 26.1s)
[ +1 ms] Exception: Build process failed
[ +2 ms] "flutter run" took 26,807ms.
[ +6 ms]
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
#1 RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:669:9)
<asynchronous suspension>
#2 FlutterCommand.run.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command.dart:1125:27)
<asynchronous suspension>
#3 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#4 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#5 FlutterCommandRunner.runCommand.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command_runner.dart:288:9)
<asynchronous suspension>
#6 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#7 FlutterCommandRunner.runCommand
(package:flutter_tools/src/runner/flutter_command_runner.dart:236:5)
<asynchronous suspension>
#8 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
<asynchronous suspension>
#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#10 main (package:flutter_tools/executable.dart:92:3)
<asynchronous suspension>
[ +257 ms] ensureAnalyticsSent: 253ms
[ +2 ms] Running shutdown hooks
[ ] Shutdown hooks complete
[ ] exiting with code 1
generated_plugin_registrant.cc
的内容//
// Generated file. Do not edit.
//
// clang-format off
#include "generated_plugin_registrant.h"
#include <size/size_plugin.h>
void fl_register_plugins(FlPluginRegistry* registry) {
g_autoptr(FlPluginRegistrar) size_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "SizePlugin");
size_plugin_register_with_registrar(size_registrar);
}
size_plugin.h
的内容#ifndef FLUTTER_PLUGIN_SIZE_PLUGIN_H_
#define FLUTTER_PLUGIN_SIZE_PLUGIN_H_
#include <flutter_linux/flutter_linux.h>
G_BEGIN_DECLS
#ifdef FLUTTER_PLUGIN_IMPL
#define FLUTTER_PLUGIN_EXPORT __attribute__((visibility("default")))
#else
#define FLUTTER_PLUGIN_EXPORT
#endif
typedef struct _SizePlugin SizePlugin;
typedef struct {
GObjectClass parent_class;
} SizePluginClass;
FLUTTER_PLUGIN_EXPORT GType size_plugin_get_type();
FLUTTER_PLUGIN_EXPORT void size_plugin_register_with_registrar(
FlPluginRegistrar* registrar);
G_END_DECLS
#endif // FLUTTER_PLUGIN_SIZE_PLUGIN_H_
generated_plugin_registrant.h
的内容//
// Generated file. Do not edit.
//
// clang-format off
#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_
#include <flutter_linux/flutter_linux.h>
// Registers Flutter plugins.
void fl_register_plugins(FlPluginRegistry* registry);
#endif // GENERATED_PLUGIN_REGISTRANT_
Flutter 插件遵循非常特定的格式，并且该工具需要存在该格式的核心元素。正如您所发现的，这包括具有正确路径的 public 头文件，以及插件注册，这是您遇到的第二个问题（听起来您已经恢复了声明，但没有恢复实现）。
如果您的目标是借助插件模板构建您自己的 FFI 库代码，则需要保留这些核心元素。您的注册方法不需要执行任何操作，但它必须存在，因为 flutter 工具会生成对它的调用。
将来很可能会有针对 FFI 特定构建的工具支持，但在那之前您需要让您的库遵循插件结构的必需元素。