Re: Debian and Ubuntu packages

[David Chisnall]

Note that the GNUmakefile, last time I tried it, did not build a working 
Objective-C++ runtime.

David

On 14 Aug 2012, at 09:49, Richard Frith-Macdonald wrote:

> 
> On 14 Aug 2012, at 09:32, Philippe Roussel wrote:
> 
>> Hi,
>> 
>> Le 14/08/2012 09:54, David Chisnall a écrit :
>>> Hi Philippe,
>>> 
>>> On 13 Aug 2012, at 22:29, Philippe Roussel wrote:
>>> 
>>>> I built and installed libobjc2 from svn trunk to /usr/local with
>>>> make -f Makefile install
>>> 
>>> On GNU/Linux, /usr/local is not in the compiler's search path, so you will 
>>> need to specify this path explicitly.  I would recommend setting PREFIX to 
>>> /usr for GNU/Linux.
>> 
>> Now I'm lost...
>> 
>> I had tried adding #include <objc/capabilities.h> (or others files that
>> don't exist in the gcc libobjc) and the compiler didn't shout at me so
>> it must be that it had /usr/local/include/ in the search path, I think.
>> 
>> Anyway, I started from scratch and installed libobjc2 in /usr as you
>> suggested. Now the library builds but is linked with
>> 
>>> libobjc.so.4 => /usr/lib/x86_64-linux-gnu/libobjc.so.4 (0x00007f746765d000)
>> 
>> and I don't know how to specify that I want it to use
>> /usr/lib/libobjc.so.4 instead. I could probably configure gnustep make
>> with --with-objc-lib-flag=-l:libobjc.so.4.6 but I guess that this .6
>> will change with a new release.
>> 
>> I'm thinking about building libobjc2 so that the library is called
>> libobjc2.so. That could simplify thinks a bit.
> 
> If you want to use libobjc2 with gnustep, the easy way to do it (unless 
> things have changed) is:
> 
> 1. configure/install gnustep-make 
> 2. build/install libobjc2 in the gnustep environment (should automatically 
> install it where it will be found)
> 3. configure/install gnustep-make again (so it finds libobjc2 and uses it) 
> ... takes about 20 seconds 
> 4. build everything else
> 
> Doing things this way imposes that 20 second delay while you re-do 
> gnustep-make, but means you don't have to worry about how you configure 
> libobjc2 and where it gets installed.  For me, with an unreliable memory, 
> (and probably most people who will only set up new systems occasionally and 
> won't remember what they did last time), that's a major win.

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