求助：famp4.0之后安装subversion出问题

eraser007_i

FreeBSD7.0+famp4.0，没有ZendOptimizer。famp4.0时直接./install的。已成功运行。

现在从ports安装subversion-1.5.4时候，
# make WITHOUT_BDB=yes WITH_MOD_DAV_SVN=yes APXS=/usr/local/apache/bin/apxs
遇到了错误

===>  Configuring for subversion-1.5.4_1

You selected to use`www/apache20' for apr library.
It seems that `www/apache20' is not properly installed.

*** Error code 1

Stop in /usr/ports/devel/subversion.
*** Error code 1

Stop in /usr/ports/devel/subversion。

应该怎么解决？会否与famp中apache默认目录位置有关？