描述

• 使用Cygwin64 Terminal make 编译时，报错：bc: command not found，查看了下，需要安装 bc
• 在Cygwin64 环境如何安装软件包呢？

操作方法

• 安装： apt-cyg，安装完，就像 ubuntu 下的 apt-get一样好用
• 执行如下命令：

$ apt-cyg install bc
Installing bc
--2022-02-11 23:20:58--  https://mirrors.huaweicloud.com/cygwin//x86_64/release/bc/bc-1.06.95-2.tar.xz
Resolving mirrors.huaweicloud.com (mirrors.huaweicloud.com)... 124.70.125.167, 124.70.126.153, 124.70.125.153, ...
Connecting to mirrors.huaweicloud.com (mirrors.huaweicloud.com)|124.70.125.167|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 108628 (106K) [application/octet-stream]
Saving to: ‘bc-1.06.95-2.tar.xz’bc-1.06.95-2.tar.xz          100%[===========================================>] 106.08K  --.-KB/s    in 0.06s2022-02-11 23:20:59 (1.74 MB/s) - ‘bc-1.06.95-2.tar.xz’ saved [108628/108628]bc-1.06.95-2.tar.xz: OK
Unpacking...
Package bc requires the following packages, installing:
cygwin libreadline7
Package cygwin is already installed, skipping
Package libreadline7 is already installed, skipping
Package bc installed

验证效果

• 运行 cygwin中运行 make 命令后编译通过了