Hi, I just got my new intel core duo laptop. So I downloaded the new cygwin (including everything) but couldn't get the numarray or numpy modules installed correctly. I always got the following error. Can some one help? Many thanks! Wei python setup.py install Using EXTRA_COMPILE_ARGS = [] Using builtin 'lite' BLAS and LAPACK running config Wrote config.h running install running build running build_py copying Lib/numinclude.py -> build/lib.cygwin-1.5.22-i686-2.4/numarray running build_ext building 'numarray.libnumarray' extension gcc -shared -Wl,--enable-auto-image-base build/temp.cygwin-1.5.22-i686-2.4/Src/libnumarraymodule.o -L/usr/lib/python2.4/config -lpython2.4 -o build/lib.cygwin-1.5.22-i686-2.4/numarray/libnumarray.dll -lm -L/lib -lm -lc -lgcc -L/lib/mingw -lmingwex /lib/mingw/libmingwex.a(feclearexcept.o):feclearexcept.c:(.text+0x21): undefined reference to `___cpu_features' /lib/mingw/libmingwex.a(fetestexcept.o):fetestexcept.c:(.text+0x7): undefined reference to `___cpu_features' collect2: ld returned 1 exit status error: command 'gcc' failed with exit status 1