Xcode in macox 10.15 beta library code signature problem

[CaffeCat]

This is the first time to use opencv at Mac OS. I used homebrew to install opencv in my Macbook, and all path search definitely correct in Xcode. I created a hello world in commandline tool project using C++ language not OBJC language. I could compile my opencv hello world, but it was broken in runtime, with showing the following logs:
=== logs ====
dyld: Library not loaded: /usr/local/opt/opencv/lib/libopencv_flann.4.1.dylib
Referenced from: /Users/weibinwu/Library/Developer/Xcode/DerivedData/OpenCV-frdcgrfkxsvbyahjaonnyllerinn/Build/Products/Debug/OpenCV
Reason: no suitable image found. Did find:
/usr/local/opt/opencv/lib/libopencv_flann.4.1.dylib: code signature in (/usr/local/opt/opencv/lib/libopencv_flann.4.1.dylib) not valid for use in process using Library Validation: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.
/usr/local/lib/libopencv_flann.4.1.dylib: code signature in (/usr/local/lib/libopencv_flann.4.1.dylib) not valid for use in process using Library Validation: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.
/usr/local/Cellar/opencv/4.1.1_2/lib/libopencv_flann.4.1.1.dylib: code signature in (/usr/local/Cellar/opencv/4.1.1_2/lib/libopencv_flann.4.1.1.dylib) not valid for use in process using Library Validation: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.
== logs ===

please could somebody help me out of this problem?

[CaffeCat]

this is screenshot of logs.

[CaffeCat]

I still waiting for your help, and really get confused on code signature >V<

[alalek]

macox 10.15 beta

Probably no support for that yet (we don't have these configurations).

/usr/local/Cellar/
homebrew

It is better to ask there about MacOSX signing issues. Or check Apple forums about 10.15 beta signatures.

[dev-yong]

@CaffeCat I met same problem, and solved it using code sign
I just codesign all errors.
codesign -f -s "Mac Developer: YOURDEVELOPEREMAIL" /usr/local/opt/*/lib/*.dylib

[CaffeCat]

@LeeGwangYong Thanks a lot! I will try after work.

[CaffeCat]

@LeeGwangYong You are exactly right!!! It is useful to use your recommended command to code sign every error dylib file!

[vivek-ram]

@LeeGwangYong hi bro i also have same problem but codesign -f -s "Mac Developer: YOURDEVELOPEREMAIL" /usr/local/opt//lib/.dylib is not working it is saying Mac developer not found can you please help me

[pedrofrodenas]

I have the same problem, I can compile opencv 4 project but when it comes to execute it throws those errors.
Executing this not solves the error
codesign -f -s "Mac Developer: MYDEVELOPEREMAIL" /usr/local/opt//lib/.dylib

Mac Developer: MYDEVELOPEREMAIL: no identity found

[vivek-ram]

@pedrofrodenas yeah exactly I don't know what to do. have you solved that error?

[pedrofrodenas]

@pedrofrodenas yeah exactly I don't know what to do. have you solved that error?

not yet. I don't know what to do

[vivek-ram]

@pedrofrodenas okay bro thanks 😊 let me know if u solved it thanks

[AnisimovArthur]

Hey,
I have the same problem with Vulkan.
I solved this by checking this box:

Hope it will help! 🙂

[pedrofrodenas]

Hey,
I have the same problem with Vulkan.
I solved this by checking this box:

Hope it will help! 🙂

yes it works, thanks!