Does gcc45 support -arch?

[Ryan Schmidt]

On Dec 17, 2011, at 23:53, Brandon Allbery wrote:

> On Sun, Dec 18, 2011 at 00:25, Peng Yu <pengyu.ut at gmail.com> wrote:
>> I can not single out a simple test case. But please try compile the
>> following package at the following address.
>> 
>> http://www.tbi.univie.ac.at/~ronny/RNA/ViennaRNA/ViennaRNA-2.0.0.tar.gz
>> 
>> I have gcc45 active. After run configure, I run make make, then I got
> 
> The problem is, they're expecting you to have Apple's compiler as the default.  Other compilers do not support -arch, nor can they build for multiple architectures simultaneously as this package is trying to do.
> 
> One way to work around this is to temporarily put /usr/bin at the start of your $PATH while building this package (e.g. "PATH=/usr/bin:$PATH make").

...that will make it use Apple's gcc, right? I thought the goal of the exercise was to compile the program with gcc45.