[51027] trunk/dports/devel

[Toby Peterson]

On Jul 29, 2009, at 1:30 PM, Ryan Schmidt wrote:

> On Jul 29, 2009, at 11:35, Toby Peterson wrote:
>
>> Setting CPP explicitly qualifies as "trying too hard". Nearly every  
>> port in existence will use "$(CC) -E", so setting CC is sufficient.  
>> The intended use of the CPP environment variable is to not set it  
>> at all. :)
>>
>> I changed it for gcc-4.2 only, so as to not affect current behavior  
>> on older OS releases.
>
> I don't think this needs to be something that varies by OS version.
>
> If you say setting CPP is not necessary, and will not result in more  
> ports trying to use "cpp" or "gcc", then how about we just rename  
> configure.cpp to configure.rawcpp (so MacPorts sets RAWCPP and not  
> CPP)? We would need to handle the existing ports that use  
> configure.cpp carefully but long-term does this sound like an ok plan?

I'd be in favor of not setting CPP at all, and setting RAWCPP makes  
even less sense considering that only a few ports use it.

If we want to make sure the configure.cpp variable is set, we can keep  
it set (to "${configure.cc} -E") and just not set the environment  
variable.

- Toby