make install 如果出现如下错误
Making install in .
make[2]: Nothing to be done for `install-exec-am'.
test -z "/usr/local/lib/pkgconfig" || ./install-sh -c -d "/usr/local/lib/pkgconfig"
mkdir: /usr/local/lib/pkgconfig: Permission denied
make[2]: *** [install-pkgconfigDATA] Error 1
make[1]: *** [install-am] Error 2
make: *** [install-recursive] Error 1
1.
curl http://pkgconfig.freedesktop.org/releases/pkg-config-0.28.tar.gz -o pkg-config-0.28.tar.gz
2.
tar -xf pkg-config-0.28.tar.gz
如果出现下面错误不用管，执行第三步
tar: Unrecognized archive format
tar: Error exit delayed from previous errors.
3.
sudo make install
安装完成，查看版本
protoc --version
