multiple arch flags won't work with -E
bayoubengal at mac.com
Thu Feb 3 11:57:52 PST 2011
excuse me. I should quoted the following instead:
Extra flags to give to the C compiler.
Extra flags to give to the C++ compiler.
Extra flags to give to the C preprocessor and programs that use it (the C and Fortran compilers).
On Feb 3, 2011, at 11:54 AM, James Gregurich wrote:
> Program for compiling C programs; default ‘cc’.
> Program for compiling C++ programs; default ‘g++’.
> Program for running the C preprocessor, with results to standard output; default ‘$(CC) -E’.
> Based on this statement, it seems to me that CPP needs to have the arch flag. However, I can set it up so that it only gets added if the build is a cross-compile. That way, it shouldn't affect a normal default build. I think that it is an accident that the system works without the -arch flag when building ppc/intel on MacOSX.
> I think that I'll change the expat port to use muniversal.
> Is this reasonable?
> On Feb 3, 2011, at 11:41 AM, James Gregurich wrote:
>> I found the following:
>> 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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