linux 下编译捍You must specify a valid --with-apxs path
原因是：在没有安装prel就先安装apache造成的
解决方法：
[root@apache bin]# vi /usr/local/apache/bin/apxs修改下面的第一行
#!/usr/bin/perl -w
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
2.保存退出
linux /usr/local/apache/bin/apxs 路径是在的，为什么会提示You must specify a valid --with-apxs path
原文：http://vqiao.blog.51cto.com/9368913/1603651