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Re: Trouble embedding a framework in an application
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Re: Trouble embedding a framework in an application

  • Subject: Re: Trouble embedding a framework in an application
  • From: Christiaan Hofman <email@hidden>
  • Date: Wed, 2 Jun 2010 23:23:11 +0200

On Jun 2, 2010, at 20:33, Tito Ciuro wrote:

Hello,

This is what I see:

TurboMonkey:Current tciuro$ otool -D EDCommon 
EDCommon:
@executable_path/../Frameworks/EDCommon.framework/Versions/A/EDCommon
TurboMonkey:Current tciuro$ 

TurboMonkey:Current tciuro$ otool -D EDMessage 
EDMessage:
@executable_path/../Frameworks/EDMessage.framework/Versions/A/EDMessage
TurboMonkey:Current tciuro$ 

Inspecting the app reveals:

TurboMonkey:Current tciuro$ cd /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/Frameworks/EDCommon.framework/Versions/A/
TurboMonkey:A tciuro$ ls -al
total 2048
drwxr-xr-x   5 tciuro  staff      170 Jun  2 20:25 .
drwxr-xr-x   4 tciuro  staff      136 Jun  2 20:25 ..
-rwxr-xr-x   1 tciuro  staff  1048576 Jun  2 20:25 EDCommon
drwxr-xr-x  59 tciuro  staff     2006 Jun  2 20:25 Headers
drwxr-xr-x   6 tciuro  staff      204 Jun  2 20:25 Resources
TurboMonkey:A tciuro$ 
TurboMonkey:A tciuro$ 
TurboMonkey:A tciuro$ cd /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/Frameworks/EDMessage.framework/Versions/A/TurboMonkey:A tciuro$ ls -al
total 1848
drwxr-xr-x   5 tciuro  staff     170 Jun  2 20:25 .
drwxr-xr-x   4 tciuro  staff     136 Jun  2 20:25 ..
-rwxr-xr-x   1 tciuro  staff  942280 Jun  2 20:25 EDMessage
drwxr-xr-x  29 tciuro  staff     986 Jun  2 20:25 Headers
drwxr-xr-x   4 tciuro  staff     136 Jun  2 20:25 Resources
TurboMonkey:A tciuro$ 

So the @executable path in both frameworks seems to be pointing in the right direction. Anything else that could be missing?

Thank you,

-- Tito

That seem to be OK. Are you sure you have the copy and link build phases correct? Another thing you can check is "otool -L /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/MacOS/RichEmailSender", and see if the path to the frameworks appear correctly. 

Christiaan



On Jun 2, 2010, at 8:07 PM, Dong Feng wrote:


You may try "otool -D" to see if the dynamic linked binary has an "install name" starting with "@executable." If it is not, that is the problem and I so far have not known a way to change it without having access to the source code. 


2010/6/3 Tito Ciuro <email@hidden>
Hello,

Earlier today I sent this email to the Cocoa-dev list, but I later realized that this issue was more Xcode than Cocoa related. My apologies for cross-posting, it was never my intention do that on purpose.

I'm having some trouble embedding a framework in my app. I've done that countless times before in other projects and it worked fine, but for some reason, it doesn't work this time around. I don't know what I'm missing and I get the feeling I'm running in circles. The app launches (and works) fine if I launch it from Xcode. However, if I launch from Finder I see the following in Console.app

> 6/2/10 11:05:46 AM    [0x0-0x192192].com.yourcompany.RichEmailSender[4390]    dyld: Library not loaded: @executable_path/../Frameworks/EDCommon.framework/Versions/A/EDCommon
> 6/2/10 11:05:46 AM    [0x0-0x192192].com.yourcompany.RichEmailSender[4390]      Referenced from: /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/MacOS/RichEmailSender
> 6/2/10 11:05:46 AM    [0x0-0x192192].com.yourcompany.RichEmailSender[4390]      Reason: image not found
> 6/2/10 11:05:46 AM    com.apple.launchd.peruser.501[143]      ([0x0-0x192192].com.yourcompany.RichEmailSender[4390]) Job appears to have crashed: Trace/BPT trap
> 6/2/10 11:05:46 AM    ReportCrash[4393]       Saved crash report for RichEmailSender[4390] version ??? (???) to /Users/tciuro/Library/Logs/DiagnosticReports/RichEmailSender_2010-06-02-110546_TurboMonkey.crash
> 6/2/10 11:08:34 AM    RichEmailSender[4441]   *** Assertion failure in -[MessageExample createMessage], /Users/tciuro/Desktop/RichEmailSender/MessageExample.m:23
> 6/2/10 11:08:34 AM    RichEmailSender[4441]   could not load image

The crash referenced above shows:

> Process:         RichEmailSender [4390]
> Path:            /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/MacOS/RichEmailSender
> Identifier:      com.yourcompany.RichEmailSender
> Version:         ??? (???)
> Code Type:       X86 (Native)
> Parent Process:  launchd [143]
>
> Date/Time:       2010-06-02 11:05:46.302 +0200
> OS Version:      Mac OS X 10.6.3 (10D573)
> Report Version:  6
>
> Exception Type:  EXC_BREAKPOINT (SIGTRAP)
> Exception Codes: 0x0000000000000002, 0x0000000000000000
> Crashed Thread:  0
>
> Dyld Error Message:
>  Library not loaded: @executable_path/../Frameworks/EDCommon.framework/Versions/A/EDCommon
>  Referenced from: /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/MacOS/RichEmailSender
>  Reason: image not found

I have googled for info and I've seen a lot of info (and misinformation as well), so I tried the following:

1) Drag the frameworks (EDMEssage + EDCommon) to my Xcode project
2) Added a Copy Files Build Phase to the target
3) Selected Frameworks from the popup and checked Copy only when installing (info window of the Copy Files Build Phase)
4) Set the Runpath Search Paths to @loader_path/../Frameworks/

Running otool -l shows the following:

> TurboMonkey:~ tciuro$ otool -L /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/MacOS/RichEmailSender
> /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app/Contents/MacOS/RichEmailSender:
>       /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 15.0.0)
>       @executable_path/../Frameworks/EDCommon.framework/Versions/A/EDCommon (compatibility version 34.0.0, current version 34.0.0)
>       @executable_path/../Frameworks/EDMessage.framework/Versions/A/EDMessage (compatibility version 17.0.0, current version 17.0.0)
>       /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.0.1)
>       /usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version 227.0.0)
>       /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 550.19.0)
>       /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation (compatibility version 300.0.0, current version 751.21.0)
>       /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 1038.29.0)
> TurboMonkey:~ tciuro$

The contents of the built app show:

> Last login: Wed Jun  2 11:11:14 on ttys000
> TurboMonkey:~ tciuro$ cd /Users/tciuro/Desktop/Builds/Debug/RichEmailSender.app
> TurboMonkey:RichEmailSender.app tciuro$ cd Contents/
> TurboMonkey:Contents tciuro$ ls -al
> total 16
> drwxr-xr-x  7 tciuro  staff  238 Jun  2 11:08 .
> drwxr-xr-x  3 tciuro  staff  102 Jun  2 11:08 ..
> drwxr-xr-x  4 tciuro  staff  136 Jun  2 11:08 Frameworks
> -rw-r--r--  1 tciuro  staff  906 Jun  2 11:08 Info.plist
> drwxr-xr-x  3 tciuro  staff  102 Jun  2 11:08 MacOS
> -rw-r--r--  1 tciuro  staff    8 Jun  2 11:08 PkgInfo
> drwxr-xr-x  4 tciuro  staff  136 Jun  2 11:08 Resources
> TurboMonkey:Contents tciuro$ cd Frameworks/
> TurboMonkey:Frameworks tciuro$ ls -al
> total 0
> drwxr-xr-x  4 tciuro  staff  136 Jun  2 11:08 .
> drwxr-xr-x  7 tciuro  staff  238 Jun  2 11:08 ..
> drwxr-xr-x  6 tciuro  staff  204 Jun  2 11:08 EDCommon.framework
> drwxr-xr-x  6 tciuro  staff  204 Jun  2 11:08 EDMessage.framework
> TurboMonkey:Frameworks tciuro$

So the frameworks are there and supposedly referenced correctly. Then... why can't the library be loaded? Is there anything else I need to do? Anything else I'm perhaps missing? If you need to see the project, please contact me offline, as I don't want to spam the list with my stuff.

Thanks in advance,

-- Tito
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  • Follow-Ups:
    • Re: Trouble embedding a framework in an application
      • From: Tito Ciuro <email@hidden>
References: 
 >Trouble embedding a framework in an application (From: Tito Ciuro <email@hidden>)
 >Re: Trouble embedding a framework in an application (From: Dong Feng <email@hidden>)
 >Re: Trouble embedding a framework in an application (From: Tito Ciuro <email@hidden>)

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