Compiling external C++ library for use with iOS project

Question

I\'m completely new to using C++ libraries, so appreciate this might be a bit specific for my case (let me know and I can provide more details).

I have an external

Answer 1

Here is what worked for me in Xcode 9 for iOS devices (iPhone X):
1) Compile dylib with these flags set as the following:
a) "Installation Directory": @executable_path/Frameworks b) "Runpath Search Path": @executable_path/Frameworks
See the picture bellow:
dylib settings in Xcode 9

2) In the Xcode project where the dylib is used/linked:
a) "Runpath Search Path":
@executable_path/Frameworks
b) In "Build Phase->Embed Libraries" make sure you select "Destination" as "Executables" and Subpath as "Frameworks", "Code sign on copy" checked:
Setting the the linking iOS app

This method is tested and used with Xcode 9.2 and iPhone X.

David