Re: [Swarm-Support] Gentoo Objective C problems (compiling swarm)

[Paul Johnson]

Please make a more complete report on what you did to cause this 
problem.  In particular, give your complete configure statement, which 
Swarm version are you trying to build, and so forth.

I don't know gentoo, but we need to get to the bottom to find out what 
is wrong with your compiler.

I have a simple Objective C "hello world" program here: Please test it out.

http://www.ku.edu/~pauljohn/SwarmFaq/WorkingExampleCode/Objc_HelloWorld.tar.gz

If that does not work, you will need to do whatever is necessary to 
reinstall gcc with objective C support.  I see below you have the shared 
object libraries, but that does not mean you have the development 
materials required.  You have only the part needed to run objc programs. 
 On my system, I have the development information (headers) is in

/usr/lib/gcc/i386-redhat-linux/4.0.1/include/objc

In there, I have:

encoding.h  NXConstStr.h  objc-decls.h  objc-list.h  Protocol.h  thr.h
hash.h      objc-api.h    objc.h        Object.h     sarray.h 
typedstream.h

I don't use the -x option with gcc, I suggest you don't use it either.

Webb Sprague wrote:
> Hi all,
>
> I am running gentoo trying to install swarm, but make craps out with
> the following:
>
>  gcc: NXConstStr.m: Objective-C compiler not installed on this system
>
> I *have* installed gcc with the right use flag, and (to prove it) I
> have the following in my tree:
>
> $ locate libobj | grep -v swarm
> /usr/lib/gcc/i686-pc-linux-gnu/3.4.4/libobjc.so.1.0.0
> /usr/lib/gcc/i686-pc-linux-gnu/3.4.4/libobjc.so.1
> /usr/lib/gcc/i686-pc-linux-gnu/3.4.4/libobjc.so
> /usr/lib/gcc/i686-pc-linux-gnu/3.4.4/libobjc.la
> /usr/lib/gcc/i686-pc-linux-gnu/3.4.4/libobjc.a
>
> However, gcc -x objective-c SwarmWhatever.m  craps out with:
> gcc: language objective-c not recognized
>
> Any Gentoo / Swarm folks out there who can help? 
>
> Thanks so much.
> W
>
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--
Paul E. Johnson                       email: address@hidden
Dept. of Political Science            http://lark.cc.ku.edu/~pauljohn
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Lawrence, Kansas 66044-3177           FAX: (785) 864-5700