Ok, this is SuSE 8.2, so I'm going to go out on a limb and assume it's running GCC 3.2 or later.. Let's see how things go with some options then:
Code:
export CFLAGS="march=pentium4 -O3" &&
CXXFLAGS=$CFLAGS
./configure --with-runtime-cpudetection
Check:
./configure --help
For more info on the runtime-cpudetection and other options.
HTH
Cool