3)编译pcre
make
make pcre时会出错
libtool: compile: unrecognized option `-DHAVE_CONFIG_H'
libtool: compile: Try `libtool --help' for more information.
make[1]: *** [pcrecpp.lo] Error 1
make[1]: Leaving directory `/home/mfcai/pcre-8.10'
make: *** [all] Error 2
安装build-essential
apt-get install build-essential
然后再次 ./configure
make
make install