CODEWITHSUNDEEP
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Kiran P Nair
Kiran P Nair

Reputation: 2021

Difference between .tdb and .dylib in iOS (Xcode 7)

I am trying to add libsqlite3.dylib in my project using Xcode 7 beta. I searched in "Link Binary with Libraries", but I found a library like this, libsqlite3.tdb.
Is it any difference between .tdb and .dylib? Please describe the difference between these two and whether this will work on iOS 8 and lower.

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Upvotes: 7

Views: 3307

Answers (2)

ColemanCDA
ColemanCDA

Reputation: 1069

.dylib is the compiled binary that contains the machine code. .tdb is a text file akin to a cross-platform module map. I can only assume it's there so that you can write Swift code and link it against Unix libraries that are shared between Darwin / Linux. We'll know soon enough.

Here's the beginning of libssl.tdb 

---
archs:           [ i386, x86_64 ]
platform:        macosx
install-name:    /usr/lib/libssl.0.9.8.dylib
current-version: 0.9.8
compatibility-version: 0.9.8
exports:         
  - archs:           [ i386, x86_64 ]
    symbols:         [ _BIO_f_ssl, _BIO_new_buffer_ssl_connect, _BIO_new_ssl, 
                       _BIO_new_ssl_connect, _BIO_ssl_copy_session_id,

Upvotes: 9

Milan Gupta
Milan Gupta

Reputation: 1181

To add .dylib go to your project targets -> Build Phases -> Link binary with libraries -> Click plus button -> Add Other -> press command + shift + g -> Enter "/Usr/lib" -> click Go -> Search "libz" -> Select from the list and click open.

Upvotes: 7

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