1. 下载
git clonehttps://github.com/obgm/libcoap
百度云盘
 链接: https://pan.baidu.com/s/1LnsGwsW0Odmuo2FwB_006A 
 提取码:9020
2. 赋权
进入libcoap文件夹执行chmod 777 *
3. 编译和安装
【1】生成configure文件
 ./autoconf
 【2】生成makefile文件
 ./configure
 【3】编译
 make
 【4】安装
 make install
4. 报错解决
【1】
 configure: error: ==> Install the package that contains doxygen or disable the doxygen documentation using ‘–disable-doxygen’.
configure: error: ==> Install the package that contains a2x (mostly asciidoc) or disable the build of the manpages using ‘–disable-manpages’’.
解决:执行./configure --prefix=$(pwd)/Linux --disable-manpages --disable-dtls --disable-doxygen
 缺什么加什么
【2】libtool、gcc等
 直接yum install -y xxx
【3】make死循环
 make: Warning: File `Makefile.am’ has modification time 43829 s in the future
 系统时间有问题,同步系统时间,再执行
find . -type f | xargs -n 5 touch
make clean
make










