Re: which set of C++ headers?
Re: which set of C++ headers?
- Subject: Re: which set of C++ headers?
- From: "Clark Cox" <email@hidden>
- Date: Thu, 26 Jun 2008 07:21:10 -0700
On Wed, Jun 25, 2008 at 6:57 PM, Alexander Agranovsky <email@hidden> wrote:
> On Jun 25, 2008, at 8:56 PM, Clark Cox wrote:
>> On Wed, Jun 25, 2008 at 3:17 PM, Alexander Agranovsky <email@hidden> wrote:
>>>
>>> Hi all,
>>>
>>> OSX 10.5 SDK seems to include two STL implementations -- one in
>>> /Developer/SDKs/MacOSX10.5.sdk/usr/include/gcc/darwin/3.3/c++/, another
>>> one
>>> in /Developer/SDKs/MacOSX10.5.sdk/usr/include/c++/4.0.0/.
>>>
>>> They seem to be vastly different. So my questions are:
>>> - which one is supposed to be used?
>>
>> You use whichever corresponds to the compiler that you're using
>>
>>> - what controls which one is picked?
>>
>> The compiler chooses (i.e. you shouldn't have to worry about it)
>>
>
> Thanks! I figured that could be the case, but couldn't find any trace of
> presence of gcc/g++ 3.3 on the system.
GCC 3 is an optional install.
> BTW, any idea why they're not installed as part of the toolkit, while the
> headers are?
That's just the way they're packaged. GCC 3 is installed in /usr/bin,
while GCC 4 and later is installed in <your developer dir>/usr/bin. If
the user decides to install GCC 3 later, there is no way to know
*which* developer directory (remember, there can be multiple) to
install the headers into. It simplifies things if the headers are
installed unconditionally.
--
Clark S. Cox III
email@hidden
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