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Proper ObjC support in debuggers requires the runtime to provide a few support symbols. Grepping the Apple V2 runtime in upstream LLDB brings up these candidates:
* `gdb_object_getClass` and `gdb_obj…
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```
[heping@Laputa:~/Documents]$aosdownload 'objc'
>> Search keyword: objc..
>> Match to resource:[objc4], will download
>> --> Download from "https://opensource.apple.com/" >> Download : ./..
T…
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In the IDE in CCL 1.12.2 DarwinX8664, assuming there is some editor window open behind the listener, `(describe (gui::target))` consistently throws 'invalid memory operation' . Usually it thows to the…
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Assertion failed: `(sel_registerName(sel_getName(meth.name())) == meth.name())`, function methodizeClass, file /.../objc824/objc4-824/runtime/objc-runtime-new.mm, line 1536.
![image](https://user-ima…
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麻烦博主更新到最新的 objc4-818.2 版本吧,麻烦了,谢谢了~
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dyld: Symbol not found: _sel_hash
Referenced from: /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
Expected in: /Users/yu…
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在MacOS 10.12上使用XCode8编译出现如下错误:
Undefined symbols for architecture x86_64:
"__Block_use_GC", referenced from:
gc_block_init() in objc-auto.o
"_dispatch_begin_thread_4GC", referenced from:
…
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_From @RandomDSdevel on November 3, 2014 21:34_
After [finally succeeding](http://stackoverflow.com/questions/26454893/errors-merging-a-git-submodule-into-its-parent-repository-in-os-x) in running a …
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dyld: Symbol not found: _objc_debug_taggedpointer_obfuscator
Referenced from: /usr/lib/system/libxpc.dylib
Expected in: ~/Library/Developer/Xcode/DerivedData/objc-ehlaekvxhzkjtdcmtvyuyxuygmfk/Bu…
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I am facing an above issue when running `cabal install hfsevents`. This is very similar to #3
Error message I get:
```
Resolving dependencies...
Build profile: -w ghc-8.10.1 -O1
In order, th…