when I run 
C:\MinGW\make.exe

it print:

mingw32-gcc -c -msse2 swsse2.c
In file included from swsse2.c:12:
swstriped.h:4:23: emmintrin.h: No such file or directory
C:\MinGW\make.exe: *** [swsse2.o] Error 1


I wonder if you can tell me why.
thanks!

£®please forgive me for my poor english!£©