On Wed, 23 Feb 2005 17:51:33 +0100, Sascha Silbe <sascha-ml-autoconf@xxxxxxxxx> wrote: > On Wed, Feb 23, 2005 at 05:31:49PM +0100, Dimitri Ognibene wrote: > > > I'd like to choose cpu specific CFLAGS, for Athlon,pentium > > 3,4,5,6,7... > Let the user choose the CFLAGS. Just give a hint in the README about > adding optimized CFLAGS. Otherwise the package will always work only on > hosts with exactly the same architecture as the target host (or, in your > case, the build host), maybe even causing problems when exchanging > mainboard + CPU of the target host (because the old ones died). > If you have different code for different CPUs (e.g. Athlon-optimized > assembler code), compile all of those and choose one at runtime. > > CU Sascha > > -- > http://sascha.silbe.org/ > > > Sascha u are right but this library is used for some heavy job in a scientific application, so optimization is the first thing. I can in effect add an option to configure to request automatic optimization but I'll add that afterwards, anyway _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
