[求助] 阿里云服务器centos6.5安装wdcp3.2报错

春天的风

阿里云服务器centos6.5安装wdcp3.2报错
make[1]: Leaving directory `/root/src/pcre-8.38'
make  install-am
make[1]: Entering directory `/root/src/pcre-8.38'
make[2]: Entering directory `/root/src/pcre-8.38'
/bin/mkdir -p '/usr/lib'
/bin/sh ./libtool   --mode=install /usr/bin/install -c   libpcre.la libpcreposix.la libpcrecpp.la '/usr/lib'
libtool: install: /usr/bin/install -c .libs/libpcre.so.1.2.6 /usr/lib/libpcre.so.1.2.6
/usr/bin/install: cannot change permissions of `/usr/lib/libpcre.so.1.2.6': Permission denied
make[2]: *** [install-libLTLIBRARIES] Error 1
make[2]: Leaving directory `/root/src/pcre-8.38'
make[1]: *** [install-am] Error 2
make[1]: Leaving directory `/root/src/pcre-8.38'
make: *** [install] Error 2


x86_64
CentOS release 6.5 (Final)
----Install Error: pcre install err -----------

怎么解决，安装了几次都是这样

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