g++ -Os -fomit-frame-pointer -pipe -fPIC -fPIC -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE   -Wl,--as-needed -fexpensive-optimizations -funroll-loops -mmmx -msse -msse2 -msse3 -DPARALLEL_MODE=PARALLEL_128_SSE2 -c FFdecsa.c
g++: error: unrecognized command line option '-mmmx'
g++: error: unrecognized command line option '-msse'
g++: error: unrecognized command line option '-msse2'
g++: error: unrecognized command line option '-msse3'

probably just matter of getting CFLAGS correctly in makefile