解决 does not build with PTH enabled错误

Code:

2F7# cd /usr/ports/www/apache22
2F7# make install clean
===> apache-2.2.21 depends on file: /usr/local/bin/perl5.12.4 - found
===> apache-2.2.21 depends on file: /usr/local/bin/autoconf-2.68 - found
===> apache-2.2.21 depends on package: libtool>=2.4 - found
===> apache-2.2.21 depends on shared library: expat.6 - found
===> apache-2.2.21 depends on shared library: apr-1 - not found
===> Verifying install for apr-1 in /usr/ports/devel/apr1
===> apr-ipv6-devrandom-gdbm-db42-1.4.5.1.3.12_1 depends on file: /usr/local/bin/python2.7 - not found
===> Verifying install for /usr/local/bin/python2.7 in /usr/ports/la