Yasunari Tosa <tosa@xxxxxxxxxxxxxxxxxxx> writes: > > I'm looking for autoconf macro to set processor specific performance CFLAGS. GMP does some hairy stuff to establish good defaults. > Here I restrict myself only to Linux at this point. It must be difficult using just a kernel, perhaps you mean GNU/Linux. > I initially thought to use "uname -p", but this returns i686 for P4 and > surprizing "unknown" for Redhat 7.3 with smp kernel. On x86, running the cpuid insn is good. But remember probing the build system is wrong when cross-compiling, so you'll want a way to specify manually as well as probing. > I have no idea about how I can get this info from MacOSX. The "machine" command in recent versions, or the NXGetLocalArchInfo() call. _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
