[m-users.] Fwd: Beginner question: How to use an installed library

[Dirk Ziegemeyer]

Fyi - I forgot to set the m-users list in cc.

Julien had an idea that solved my problem.

Dirk

> Anfang der weitergeleiteten Nachricht:
> 
> Von: Dirk Ziegemeyer <dirk at ziegemeyer.de>
> Betreff: Aw: [m-users.] Beginner question: How to use an installed library
> Datum: 5. September 2015 19:57:36 MESZ
> An: Julien Fischer <juliensf at gmail.com>
> 
> 
>> Am 05.09.2015 um 10:22 schrieb Julien Fischer <juliensf at gmail.com>:
>> 
>> I have an idea of what my have happened here, namely that that the installation prefix was not set when
>> the .dylib file was generated and the install name burned into it.  When you built the library did you do:
>> 
>>     $ make INSTALL_PREFIX=/foo/bar/baaz
>>     $ make INSTALL_PREFIX=/foo/bar/baaz install
> 
> No.
> 
>> or 
>> 
>>    $ make
>>    $ make INSTALL_PREFIX=/foo/bar/baaz install
>> 
> 
> Yes.
> 
>> The difference is that with the latter the install name for the .dylib file will be set to the default installation
>> directory even though it will be installed in /foo/bar/baaz by the install target.  You can check this by running
>> 'otool -L' on the .dylib file and seeing what the install name for the dylib file itself is.
> 
> Otool-output is:
> $ otool -L libmercury_csv.dylib 
> libmercury_csv.dylib:
> 	/usr/local/mercury-rotd-2015-02-20/lib/mercury/lib/hlc.gc/libmercury_csv.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/local/mercury-rotd-2015-02-20/lib/mercury/lib/hlc.gc/libmer_std.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/local/mercury-rotd-2015-02-20/lib/mercury/lib/hlc.gc/libmer_rt.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/local/mercury-rotd-2015-02-20/lib/mercury/lib/libgc.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1213.0.0)
> 
> 
> The issue is solved now after typing:
> $ make INSTALL_PREFIX=/foo/bar/baaz
> $ make INSTALL_PREFIX=/foo/bar/baaz install
> 
> 
> Otool now prints:
> $ otool -L libmercury_csv.dylib 
> libmercury_csv.dylib:
> 	/Users/dirk/temp/mercury_csv/lib/mercury/lib/hlc.gc/libmercury_csv.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/local/mercury-rotd-2015-02-20/lib/mercury/lib/hlc.gc/libmer_std.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/local/mercury-rotd-2015-02-20/lib/mercury/lib/hlc.gc/libmer_rt.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/local/mercury-rotd-2015-02-20/lib/mercury/lib/libgc.dylib (compatibility version 0.0.0, current version 0.0.0)
> 	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1213.0.0)
> 
> Thank you very much.
> 
> Dirk