bitcoin编译

编译环境：Ubuntu 16.04.2 LTS

官方源代码位置：https://github.com/bitcoin/bitcoin

梦游兔源码阅读进度：bitcoin源码分析

编译说明文档位置：./bitcoin-master/doc/build-unix.md

准备工作-依赖项

从源代码目录下这个位置获取编译说明：./bitcoin-master/doc/build-unix.md
我的系统是Ubuntu，所以只把Ubuntu相关的信息摘出来。
CentOS编译的过程在这里bitcoin编译centos

必要的依赖项:

Library	Purpose	Description
libssl	Crypto	Random Number Generation, Elliptic Curve Cryptography
libboost	Utility	Library for threading, data structures, etc
libevent	Networking	OS independent asynchronous networking

可选的依赖项:

Library	Purpose	Description
miniupnpc	UPnP Support	Firewall-jumping support
libdb4.8	Berkeley DB	Wallet storage (only needed when wallet enabled)
qt	GUI	GUI toolkit (only needed when GUI enabled)
protobuf	Payments in GUI	Data interchange format used for payment protocol (only needed when GUI enabled)
libqrencode	QR codes in GUI	Optional for generating QR codes (only needed when GUI enabled)
univalue	Utility	JSON parsing and encoding (bundled version will be used unless –with-system-univalue passed to configure)
libzmq3	ZMQ notification	Optional, allows generating ZMQ notifications (requires ZMQ version >= 4.x)

依赖项安装命令：

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils python3
sudo apt-get install libboost-all-dev
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:bitcoin/bitcoin
sudo apt-get update
sudo apt-get install libdb4.8-dev libdb4.8++-dev
sudo apt-get install libminiupnpc-dev
sudo apt-get install libzmq3-dev
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler
sudo apt-get install libqrencode-dev

编译源代码

从官方地址下载源代码：

git clone https://github.com/bitcoin/bitcoin.git

进入源代码目录，检查依赖，开始编译：

cd bitcoin
./autogen.sh
./configure
make install

编译过程中遇到的错误

内存不足：

virtual memory exhausted: Cannot allocate memory
Makefile:5514: recipe for target 'libbitcoin_server_a-init.o' failed
make[2]: *** [libbitcoin_server_a-init.o] Error 1
make[2]: Leaving directory '/home/ubuntu/bitcoin-master/bitcoin/src'
Makefile:9278: recipe for target 'install-recursive' failed
make[1]: *** [install-recursive] Error 1
make[1]: Leaving directory '/home/ubuntu/bitcoin-master/bitcoin/src'
Makefile:740: recipe for target 'install-recursive' failed
make: *** [install-recursive] Error 1

解决方法：

./configure CXXFLAGS="--param ggc-min-expand=1 --param ggc-min-heapsize=32768"