[Vm-dev] Re: Error compiling cog for MacOS 10.6

[Mariano Martinez Peck]

Version 3.2.2
64-bit

Component versions
Xcode IDE: 1650.0
Xcode Core: 1648.0

In addition, GCC

;-) gcc --version
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5659)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Did you try setting the option "Mac OS X 10.6"  in XCode ?

Thanks

Mariano


On Fri, Jul 30, 2010 at 9:22 PM, Casey Ransberger
<casey.obrien.r at gmail.com>wrote:

>
> Hmm. I didn't have any trouble compiling Cog on 10.6. Which Xcode version
> are you using?
>
> On Jul 30, 2010, at 11:57 AM, Eliot Miranda <eliot.miranda at gmail.com>
> wrote:
>
>
>
> On Fri, Jul 30, 2010 at 6:29 AM, Mariano Martinez Peck <<marianopeck at gmail.com>
> marianopeck at gmail.com> wrote:
>
>>
>> sorry....quick send...try again:
>> Hi Eliot. I am trying to compie CogVM from XCode. If I choose "Mac OS X
>> 10.5 (Base SDK)" CogVM compiles without problem.
>>
>> But if I choose "Mac OS X 10.6" I have a compile error in ucontext.h line
>> 42:
>>
>> #error ucontext routines are deprecated, and require _XOPEN_SOURCE to be
>> define
>>
>> It comes from sqUnixVMProfile.x where you have:
>>
>> #include <ucontext.h>
>>
>>
>> any ideas how can I fix this?
>>
>
> I guess three ways.  One is simply to define _XOPEN_SOURCE.  But better is
> to figure out how to get the program counter pointer value from a signal
> handler in 10.6.  i.e. what the profiler does is periodically sample the VM
> thread's program counter.  It does this using a thread that sends SIGPROF to
> the VM thread and have the SIGPROF handler (pcbufferSIGPROFhandler) get the
> interrupted pc from the ucontext structure passed into the signal handler.
>  Presumably there's a new way of doing this in 10.6.  Find out what that is.
>
> The third way is simply to define NO_VM_PROFILE and then the file will
> provide only stubs and you'll have no functional VM profiler.
>
> HTH
> Eliot
>
>
>
>> Thanks!
>>
>> Mariano
>>
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.squeakfoundation.org/pipermail/vm-dev/attachments/20100730/05ad1fcf/attachment.htm