Re: [Ant-contrib-developers] Re: Try again: any experience with cpptasks on a Mac (OS X)?

[Rutger H. <ru...@cs...>]

After I did a CVS checkout of cpptasks, everything works
fine for the Mac. Thanks!

Rutger Hofman
VU Amsterdam

Mirko Raner wrote:
> Hi Rutger,
> 
> I'm not a Mac user, but maybe your problem is just related to an 
> out-of-date version of cpptasks.
> I noticed that the class AbstractLdLinker in the CVS contains some (more 
> or less) recent modifications that seem to deal with MacOS X and the gcc 
> -shared flag. If you are not working with the latest version from CVS 
> you should definitely check out and build a new cpptasks JAR file.
> 
> Just a thought...
> 
> Mirko
> 
> Rutger Hofman wrote:
> 
>> I feel I was hopelessly unclear again.
>> Let me try again and insert some phrases that
>> show that I (we) indeed have a problem on Mac.
>>
>> The ultimate question remains. Shouldn't someone
>> (somebody of the cpptasks developers, or me)
>> patch the linker driver for gcc on Mac OS X?
>>
>> Rutger
>>
>> ---------------------------------------------------
>>
>> Try again:
>>
>> Hi list
>>
>> I try to compile my project on a Mac, now.
>> This is my first Mac experience, so I did not
>> expect immediate victory.
>> The project is Java but with native code,
>> so I require generation of a dynamic shared
>> library.
>>
>> So my target invocation looks like:
>>
>> <cc outtype="shared" name="gcc">
>> <fileset dir="my-native-dir" includes="*.c"/>
>> </cc>
>>
>> This invokes gcc successfully for the compilation bla.c -> bla.o
>> Now <cc> invokes the link phase, and exits with the error message:
>> ...
>> [cc] Starting link
>> [cc] gcc: unrecognized option '-shared'
>> ...
>>
>> The problem is documented in the Mac man pages for gcc:
>> gcc -shared is not supported on Mac OS X.
>>
>> The way to get a dynamic shared library seems
>> to be by invocation of
>> libtool -dynamic -o libBLA.dylib BLA.o
>> (which seems to invoke ld -dylib ....)
>>
>> If I specify that I want to use libtool, things go
>> wrong at a much earlier stage: bla.c -> bla.o fails
>> completely, so I guess that is a less promising approach
>> overall.
>>
>> Question:
>> - is there another, supported way to get a dynamic
>> shared library that I overlooked?
>> - or should somebody (developers, me) add support
>> for Mac to the gcc driver in that the gcc -shared
>> command is replaced by the libtool command?
>>
>> Rutger Hofman
>> VU Amsterdam
>> http://www.cs.vu.nl/~rutger
>>
>>
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> 
> 
> 
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