3. Make link to objc directory:
$ locate objc.h
/usr/lib/i386-linux-gnu/gcc/i686-linux-gnu/4.5/include/objc/objc.h
- Then:
/usr/local/include$ sudo ln -s
/usr/lib/i386-linux-gnu/gcc/i686-linux-gnu/4.5/include/objc/ objc
On Sat, Feb 25, 2012 at 12:49 PM, Ivan Vučica <[email protected]> wrote:
> Aside from what everyone posted, see also this old post of mine in case
> you want to get everything to work with stock Debian packages:
>
> http://blog.vucica.net/2010/12/getting-objective-c-2-0-to-work-on-debians-gnustep-with-clang.html
>
>
> I last tried this... back in December 2010, obviously.
>
> It would be a really good idea, however, to build as much stuff from
> source if you want to do GNUstep development.
>
> On Sat, Feb 25, 2012 at 18:42, Jens Alfke <[email protected]> wrote:
>
>> I’m trying to get started with GNUstep development but running into
>> problems getting the LLVM compiler and libobjc2 set up correctly.
>>
>> My story: I’ve got some Foundation-level Cocoa code (i.e. no UI) that
>> runs on OS X 10.7 and iOS 5, and I’d like to get it running in GNUstep on
>> Linux. Syntactically, this code uses properties and blocks pretty heavily
>> (but not GCD).
>>
>> So I’ve installed Ubuntu 11.10 x86 inside VirtualBox on my MacBook Pro,
>> and installed the following packages via apt-get:
>> * gnustep
>> * gnustep-devel
>> * llvm
>> * clang
>> * libobjc2
>>
>> I can build & run a trivial app that calls NSLog (the example from the
>> makefile tutorial.) And I’ve set up a makefile for my code, but when I try
>> to build it I run into compiler problems.
>>
>> If I just run “make”, GCC [4.6.1] barfs on the first use of the “^”
>> character. So apparently it doesn’t have the Apple block extensions:
>> > Source/Header.h:19:11: error: expected identifier or ‘(’ before ‘^’
>> token
>>
>> OK, according to instructions on the gnustep site, I can enter “make
>> CC=clang LD=gcc” to build with Clang. But when I do this, Clang [2.9] can’t
>> find objc.h:
>>
>> > /usr/include/GNUstep/GNUstepBase/preface.h:112:11: fatal error:
>> 'objc/objc.h' file not found
>> > #include <objc/objc.h>
>>
>> The only copy of objc.h on my system is
>> /usr/lib/gcc/i686-linux-gnu/4.6/include/objc/objc.h.
>> So apparently I either need to
>> (a) configure Clang to search that directory (which I’m reluctant to do
>> because it may have GCC-specific stuff in it), or
>> (b) copy the objc/ header directory into Clang’s header search path
>> (where?), or
>> (c) reconfigure libobjc2 to understand that I have Clang installed and
>> put its headers in the right place
>>
>> I’m not sure which of these is appropriate. Actually I’m confused because
>> it sounds from what I’ve read (i.e. the libobjc2 1.6 announcement) as
>> though libobjc2 has Clang/LLVM specific functionality, so I expected that
>> the two would play nicely together if I installed both, without need for
>> further customization. But I’m fairly clueless about Linux and apt-get so I
>> may just have done something wrong…
>>
>> Thanks!
>>
>> —Jens
>>
>>
>> _______________________________________________
>> Discuss-gnustep mailing list
>> [email protected]
>> https://lists.gnu.org/mailman/listinfo/discuss-gnustep
>>
>
>
>
> --
> Ivan Vučica - [email protected]
>
>
>
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>
>
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