官方文档只提供了mac、windows、Ubuntu、Debian 的安装说明，对于CentOS 安装过程一个复杂的是它的依赖很难安装。

首先请记住：
[centos]rpm文件安装，使用rpm指令 类似[ubuntu]deb文件安装，使用dpkg指令
[centos]yum安装 类似[ubuntu]apt-get安装

1、git clone https://github.com/bitcoin/bitcoin.git
没有git的要先安装git

sudo yum git

2、sudo yum install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils

敲黑板，注意了，有的依赖没有！！！！！需要单独安装！！！！

3、sudo yum install gcc-c++ libtool make autoconf automake openssl-devel libevent-devel boost-devel libdb4-devel libdb4-cxx-devel

4、sudo yuminstall qt5-qttools-devel qt5-qtbase-devel protobuf-devel


问题来了，当安装了一堆依赖后，尝试执行./autogen.sh 报错
configure.ac:1209: error: possibly undefined macro: PKG_CONFIG_LIBDIR
If this token and others are legitimate, please use m4_pattern_allow.
See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1

解决办法
https://github.com/bitcoin/bitcoin/issues/6432

还遇到一个问题：GCC update 问题

再接一个问题：configure: error: Found Berkeley DB other than 4.8, required for portable wallets (–with-incompatible-bdb to ignore or –disable-wallet to disable wallet functionality)
参考链接：https://github.com/bitcoin/bitcoin/issues/3686

获取db4.8源代码，编译安装
wget http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz
tar -xzvf db-4.8.30.NC.tar.gz
cd db-4.8.30.NC/build_unix
../dist/configure –enable-cxx
make
sudo make install
////////////////////////////////////////////

问题不断：autoconf版本过低

configure.ac:209: error: Autoconf version 2.64 or higher is required
build-aux/m4/ax_check_compile_flag.m4:60: AX_CHECK_COMPILE_FLAG is expanded from…
configure.ac:209: the top level
autom4te: /usr/bin/m4 failed with exit status: 63
aclocal: autom4te failed with exit status: 63
autoreconf: aclocal failed with exit status: 63

所以需要更新autoconf版本……….

问题多多啊，还有：
./configure –with-incompatible-bdb
configure: error: Could not find a version of the boost_chrono library!
安装boost…..
但是走到最后，编译过程显示找不到boost一个文件，多次尝试无果，被它打败了。

终极武器：找了篇博客
http://blog.csdn.net/terminatorsong/article/details/74089911

一句话总结：还是Ubuntu下面配置编译easy,分分钟完成。

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