On 2008-07-03 07:14:31 -0500, Eljay Love-Jensen wrote: [-march] > I think the value used is the one specified when GCC is built. > > If the builder does not specify an architecture explicitly, then the lowest > common denominator for that platform is used (typically). That's the safest > assumption for configure. A problem is that I generally don't compile/install gcc myself. I thought "gcc -v" would give it, but this is not the case. One may guess it from the given configure option and gcc version, but wouldn't it be a useful to have it from "gcc -v"? -- Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.org/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/> Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)