make && make install

./configure  --prefix= /usr/local/python3.6.6

make &&  make  install  prefix=/usr/local/python3.6.6

python 编译安装代码会在：/usr/local/python3.6.6/bin  下：

再看DESTDIR 效果：

make  &&  make  install  DESTDIR=/usr/local/python3.6.6

则会在/usr/local/python3.6.6/usr/local/bin下