multiple arch flags won't work with -E

[James Gregurich]

I found the following:

http://stackoverflow.com/questions/495598/difference-between-cppflags-and-cxxflags-in-gnu-make
http://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html#Implicit-Variables



On Feb 3, 2011, at 11:35 AM, James Gregurich wrote:

> 
> ok. ignoring the practical perspective, what is conceptually correct? What is the design purpose of CPPFLAGS and CXXFLAGS In the configure script system?
> 
> 
> On Feb 3, 2011, at 11:24 AM, Daniel J. Luke wrote:
> 
>> On Feb 3, 2011, at 2:14 PM, James Gregurich wrote:
>>> 
>>> I need clear guidance on where to go on this point. Should macports be patched to add the missing flags to CPPFLAGS or should the expat folks be approached about corrections to their configure script.
>> 
>> I don't have an easy answer but...
>> 
>> You probably need a larger sample size to determine if adding arch args to CPPFLAGS is a good idea or not. As a practical matter, it's only worth doing if it solves more problems than it causes.
> 
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