linux下安装最新版subversion，代码：
[root@localhost subversion-1.8.9]#
./configure --prefix=/usr/local/subversion
--with-apxs=/usr/local/apache2/bin/apxs
--with-apr=/usr/local/apr
--with-apr-util=/usr/local/apr-util
--with-openssl --with-zlib
--enable-maintainer-mode
--enable-shared
[root@localhost subversion-1.8.9]# whereis subversion
subversion: /usr/local/subversion
[root@localhost subversion-1.8.9]# which subversion
/usr/bin/which: no subversion in (/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/default7/bin)