1. 基础：
1.1 描述：apr全称Apache Portable Runtime，常用于与ssl相关的环境支持，比如openssl，httpd，nginx，tomcat
1.2 链接：
官方网站：http://apr.apache.org/
下载地址：http://apr.apache.org/download.cgi
2. 版本：
2.1 安装包版本：
apr-1.5.2.tar.gz：http://mirrors.hust.edu.cn/apache//apr/apr-1.5.2.tar.gz
apr-util-1.5.4.tar.gz：http://mirrors.hust.edu.cn/apache//apr/apr-util-1.5.4.tar.gz
apr-iconv-1.2.1.tar.gz：http://mirrors.tuna.tsinghua.edu.cn/apache//apr/apr-iconv-1.2.1.tar.gz
2.2 服务器版本：
Linux发行版：Red Hat Enterprise Linux Server release 6.8 (Santiago)
内核版本： 2.6.32-642.el6.x86_64
3. 安装：
3.1. 操作系统安装：
3.2. apr安装：
3.2.1. yum安装：
3.2.1.1. 配置yum repo
3.2.1.1. yum install：
[root@cftjapi02 bin]# yum -y install apr apr-devel apr-util
3.2.1.2. 检查安装文件：
[root@cftjapi02 bin]# rpm -ql apr /usr/lib64/libapr-1.so.0 /usr/lib64/libapr-1.so.0.3.9 /usr/share/doc/apr-1.3.9 /usr/share/doc/apr-1.3.9/CHANGES /usr/share/doc/apr-1.3.9/LICENSE /usr/share/doc/apr-1.3.9/NOTICE [root@cftjapi02 bin]# rpm -ql apr-devel /usr/bin/apr-1-config /usr/include/apr-1 /usr/include/apr-1/apr-x86_64.h /usr/include/apr-1/apr.h /usr/include/apr-1/apr_allocator.h /usr/include/apr-1/apr_atomic.h /usr/include/apr-1/apr_dso.h /usr/include/apr-1/apr_env.h /usr/include/apr-1/apr_errno.h /usr/include/apr-1/apr_file_info.h /usr/include/apr-1/apr_file_io.h /usr/include/apr-1/apr_fnmatch.h /usr/include/apr-1/apr_general.h /usr/include/apr-1/apr_getopt.h /usr/include/apr-1/apr_global_mutex.h /usr/include/apr-1/apr_hash.h /usr/include/apr-1/apr_inherit.h /usr/include/apr-1/apr_lib.h /usr/include/apr-1/apr_mmap.h /usr/include/apr-1/apr_network_io.h /usr/include/apr-1/apr_poll.h /usr/include/apr-1/apr_pools.h /usr/include/apr-1/apr_portable.h /usr/include/apr-1/apr_proc_mutex.h /usr/include/apr-1/apr_random.h /usr/include/apr-1/apr_ring.h /usr/include/apr-1/apr_shm.h /usr/include/apr-1/apr_signal.h /usr/include/apr-1/apr_strings.h /usr/include/apr-1/apr_support.h /usr/include/apr-1/apr_tables.h /usr/include/apr-1/apr_thread_cond.h /usr/include/apr-1/apr_thread_mutex.h /usr/include/apr-1/apr_thread_proc.h /usr/include/apr-1/apr_thread_rwlock.h /usr/include/apr-1/apr_time.h /usr/include/apr-1/apr_user.h /usr/include/apr-1/apr_version.h /usr/include/apr-1/apr_want.h /usr/lib64/apr-1 /usr/lib64/apr-1/build /usr/lib64/apr-1/build/apr_rules.mk /usr/lib64/apr-1/build/libtool /usr/lib64/apr-1/build/make_exports.awk /usr/lib64/apr-1/build/make_var_export.awk /usr/lib64/apr-1/build/mkdir.sh /usr/lib64/libapr-1.la /usr/lib64/libapr-1.so /usr/lib64/pkgconfig/apr-1.pc /usr/share/aclocal/find_apr.m4 /usr/share/doc/apr-devel-1.3.9 /usr/share/doc/apr-devel-1.3.9/APRDesign.html /usr/share/doc/apr-devel-1.3.9/canonical_filenames.html /usr/share/doc/apr-devel-1.3.9/incomplete_types /usr/share/doc/apr-devel-1.3.9/non_apr_programs [root@cftjapi02 bin]# rpm -ql apr-util /usr/lib64/apr-util-1 /usr/lib64/libaprutil-1.so.0 /usr/lib64/libaprutil-1.so.0.3.9 /usr/share/doc/apr-util-1.3.9 /usr/share/doc/apr-util-1.3.9/CHANGES /usr/share/doc/apr-util-1.3.9/LICENSE /usr/share/doc/apr-util-1.3.9/NOTICE [root@cftjapi02 bin]#
3.2.2. 编译安装：
3.2.2.1. 下载并解压：
[root@cftjapi02 src]# wget http://mirrors.hust.edu.cn/apache//apr/apr-1.5.2.tar.gz [root@cftjapi02 src]# tar xf apr-1.5.2.tar.gz
3.2.2.2. 安装gcc：
[root@cftjapi02 apr-1.5.2]# yum install gcc
3.2.2.3. 配置apr：
./configure --prefix=/usr/local/apr
3.2.2.4. 编译与安装apr：
make && make install
3.2.2.5. 配置apr-util：
./configure --with-apr=/usr/local/apr
3.2.2.6. 编译与安装apr-util：
make && make install
3.2.2.7. 配置apr-iconv
./configure --with-apr=/usr/local/apr
3.2.2.8. 编译与安装arp-iconv
make && make install
3.2.2.9. 配置环境变量：
在/etc/profile后面追加
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/apr/lib