我安装的是python-2.7.1  和scons-2.3.0-setup   

 编译mongo的时候  报cl不内部或外部命令，单独执行cl是能解析到的

 从官方下载mongo C++ 源码 编译后又报的是另外一个问题

scons version: 2.3.0
python version: 2 7 9 'final' 0
Checking whether the C++ compiler worksyes
Checking whether the C compiler worksyes
Checking if C++ compiler "$CC" is MSVC... yes
Checking if C compiler "cl" is MSVC... yes
Checking if toolchain is in 64-bit mode... no
Checking for __declspec(thread)... no
Checking for C header file unistd.h... no
Checking whether clock_gettime is declared... no
Checking for C++ header file execinfo.h... no
Checking for C library pcap... no
Checking for C library wpcap... no
Error: You must use --use-system-boost when building the C++ driver

求解决啊