if [ "$CARCH" = 'pentium4' ]; then
  eval "$(
    declare -f build | \
      sed '
        s@cmake@cmake -DALSOFT_CPUEXT_SSE3=0 -DALSOFT_CPUEXT_SSE4_1=0@
      '
  )"
elif [ "$CARCH" = 'i686' ]; then
  eval "$(
    declare -f build | \
      sed '
        s@cmake@cmake -DALSOFT_ENABLE_SSE2_CODEGEN=0 -DALSOFT_CPUEXT_SSE2=0@
      '
  )"
elif [ "$CARCH" = 'i486' ]; then
  eval "$(
    declare -f build | \
      sed '
        s@cmake@cmake -DALSOFT_CPUEXT_SSE=0 -DALSOFT_ENABLE_SSE_CODEGEN=0 -DALSOFT_ENABLE_SSE2_CODEGEN=0@
      '
  )"
fi