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Using cycript on macOS Mojave
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cycript-mojave.md

Cycript on Mojave

Cycript is a tool I find very helpful. It's an effective REPL for Objective-C. When I updated to macOS Mojave, I found that cycript no longer worked because it was linked against an old version of Ruby. After attempting to compile from source, I tried another solution. install_name_tool is an open source tool for modifying the names of linked shared libraries in a Mach-O.

Solution

$ install_name_tool -change /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/libruby.2.0.0.dylib /System/Library/Frameworks/Ruby.framework/Versions/Current/usr/lib/libruby.dylib Cycript.lib/cycript-apl
$ install_name_tool -change /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/libruby.2.0.0.dylib /System/Library/Frameworks/Ruby.framework/Versions/Current/usr/lib/libruby.dylib Cycript.lib/libcycript.dylib
@WhoJave
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WhoJave commented Oct 17, 2019

nice 👍

@muizidn
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muizidn commented Jun 27, 2020

thanks

@BennyKJohnson
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Thank you

@crifan
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crifan commented Mar 17, 2022

finally worked by:

  1. brew install ruby installed /usr/local/Cellar/ruby/3.1.1
  2. copy 3.1.1 lib into cycript's libruby.2.0.0.dylib
  • cp /usr/local/Cellar/ruby/3.1.1/lib/libruby.3.1.dylib /opt/cycript/Cycript.lib/libruby.2.0.0.dylib

@funcoleto
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also work is you put this file "/usr/local/Cellar/ruby/3.1.1/lib/libruby.3.1.dylib" with this name (you need to change name) "libruby.2.0.0.dylib" in folder "cycript_0.9.594/Cycript.lib/libruby.2.0.0.dylib"

@jauharvp
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jauharvp commented Apr 13, 2022 •
edited

cycript_0.9.594 ./cycript [1] 37506 killed ./cycript ➜ cycript_0.9.594

The above workaround is not working for me. @crifan @funcoleto

System Version: macOS 12.2.1

@Raeein
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Raeein commented Oct 5, 2022

finally worked by:

  1. brew install ruby installed /usr/local/Cellar/ruby/3.1.1
  2. copy 3.1.1 lib into cycript's libruby.2.0.0.dylib
  • cp /usr/local/Cellar/ruby/3.1.1/lib/libruby.3.1.dylib /opt/cycript/Cycript.lib/libruby.2.0.0.dylib

Worked like a charm. Thank you 👍

@kuustudio
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Thanks

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