Gerrit Voss wrote:
> Hi,
>
> On Wed, 2008-08-27 at 18:05 +0800, Gerrit Voss wrote:
>
>> Hi,
>>
>> On Wed, 2008-08-27 at 11:46 +0200, Dominik Rau wrote:
>>
>>> Hi.
>>>
>>> I'm trying to compile the OpenSG 2 (I'm trusting the "real soon, and
>>> this time we mean it" of Carsten... ;) ) on Ubuntu hardy, but when
>>> scons tries to build OSGGLDefineMapper_auto.cpp, g++ bails out with an
>>> out of memory error (after allocating 2467876864 bytes).
>>>
>>> scons command:
>>>
>>> Tools/scons-local/scons.py var-arch?ia32 var_type=optimized
>>> enable_unittests=false
>>>
>>> g++ -v shows me version gcc 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
>>>
>>> Any ideas how to overcome this / what's wrong? Debug seems to build
>>> fine...
>>>
>> hmm not really, gcc 4.1.2 (which is all I have currently) does not show
>> the problem, neither in ia32 nor in x64 mode. I don't really know what
>> the newer versions tries to optimise here, it's just a long list of
>> function calls.
>>
>> I guess the only solutions for know is to make this an optional feature
>> until I find some time to get a newer compiler.
>>
>> I'll let you know once I'm finished.
>>
>
> ok, for now the mapper is optional.
>
Reproduced and fixed it (and a good opportunity to try compiling OpenSG2
on my new Ubuntu Laptop ;). I just broke up the long init func into
pieces, which made the optimizer happy enough to do it.
I made it default true again but left the option in. We could take it
out again, unless there is a reason to keep it.
Yours
Dirk
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