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Dart FFI使用指南篇 - 知乎
在参考上面博客,调试Dart FFI功能时,在编译出动态库libsample.dylib,加载库时报错

mach-o, but wrong architecture

Invalid argument(s): Failed to load dynamic library '/Users/flutterProject/ffiDemo/library/build/libsample.dylib': dlopen(/Users/flutterProject/ffiDemo/library/build/libsample.dylib, 1): no suitable image found.  Did find:
        /Users/flutterProject/ffiDemo/library/build/libsample.dylib: mach-o, but wrong architecture
        /Users/flutterProject/ffiDemo/library/build/libsample.dylib: mach-o, but wrong architecture
#0      _open (dart:ffi-patch/ffi_dynamic_library_patch.dart:12:43)
#1      new DynamicLibrary.open (dart:ffi-patch/ffi_dynamic_library_patch.dart:23:12)
#2      main (file:///Users/flutterProject/ffiDemo/bin/ffi_sample.dart:20:32)
#3      _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:297:19)
#4      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:192:12)

问题原因:

查看libsample.dylib 库文件类型

匹配Mac Mini Arm64架构

查看本地Dart类型

 看到Dart类型为macos_x64类型,和Arm64不匹配,所以加载libsample.dylib类型不匹配,报错

解决方案:

在使用cmake命令进行打包时,指定库类型

 cmake -DCMAKE_BUILD_TYPE=debug -DBUILD_STATIC_LIBS=ON -DBUILD_SHARED_LIBS=OFF "-DCMAKE_OSX_ARCHITECTURES=arm64;x86_64" -DARCHIVE_INSTALL_DIR=. -G "Unix Makefiles" .. 

重新打包后,使用file 命令,查看文件类型

 可以看到,这时库已经同时指出x86和arm64 两种架构。

本文标签: MacmachArchitecturewrong