280aa2abc6
d6b3689 qttools5-dev is required in order to build with qt5 on debian and ubuntu (Haakon Nilsen)
217 lines
6.6 KiB
Markdown
217 lines
6.6 KiB
Markdown
UNIX BUILD NOTES
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====================
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Some notes on how to build Bitcoin in Unix.
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To Build
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---------------------
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./autogen.sh
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./configure
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make
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This will build bitcoin-qt as well if the dependencies are met.
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Dependencies
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---------------------
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Library Purpose Description
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------- ------- -----------
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libssl SSL Support Secure communications
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libdb4.8 Berkeley DB Wallet storage
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libboost Boost C++ Library
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miniupnpc UPnP Support Optional firewall-jumping support
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qt GUI GUI toolkit
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protobuf Payments in GUI Data interchange format used for payment protocol
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libqrencode QR codes in GUI Optional for generating QR codes
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[miniupnpc](http://miniupnp.free.fr/) may be used for UPnP port mapping. It can be downloaded from [here](
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http://miniupnp.tuxfamily.org/files/). UPnP support is compiled in and
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turned off by default. See the configure options for upnp behavior desired:
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--with-miniupnpc No UPnP support miniupnp not required
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--disable-upnp-default (the default) UPnP support turned off by default at runtime
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--enable-upnp-default UPnP support turned on by default at runtime
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IPv6 support may be disabled by setting:
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--disable-ipv6 Disable IPv6 support
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Licenses of statically linked libraries:
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Berkeley DB New BSD license with additional requirement that linked
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software must be free open source
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Boost MIT-like license
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miniupnpc New (3-clause) BSD license
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- Versions used in this release:
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- GCC 4.3.3
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- OpenSSL 1.0.1c
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- Berkeley DB 4.8.30.NC
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- Boost 1.37
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- miniupnpc 1.6
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- qt 4.8.3
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- protobuf 2.5.0
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- libqrencode 3.2.0
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Dependency Build Instructions: Ubuntu & Debian
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----------------------------------------------
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Build requirements:
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sudo apt-get install build-essential
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sudo apt-get install libtool autotools-dev autoconf
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sudo apt-get install libssl-dev
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for Ubuntu 12.04 and later:
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sudo apt-get install libboost-all-dev
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db4.8 packages are available [here](https://launchpad.net/~bitcoin/+archive/bitcoin).
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You can add the repository using the following command:
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sudo add-apt-repository ppa:bitcoin/bitcoin
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sudo apt-get update
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Ubuntu 12.04 and later have packages for libdb5.1-dev and libdb5.1++-dev,
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but using these will break binary wallet compatibility, and is not recommended.
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for Ubuntu 13.10:
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libboost1.54-all-dev will not work. Remove libboost1.54-all-dev and install libboost1.53-all-dev
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for Debian 7 (Wheezy) and later:
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The oldstable repository contains db4.8 packages.
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Add the following line to /etc/apt/sources.list,
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replacing [mirror] with any official debian mirror.
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deb http://[mirror]/debian/ oldstable main
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To enable the change run
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sudo apt-get update
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for other Ubuntu & Debian:
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sudo apt-get install libdb4.8-dev
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sudo apt-get install libdb4.8++-dev
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sudo apt-get install libboost1.37-dev
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(If using Boost 1.37, append -mt to the boost libraries in the makefile)
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Optional:
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sudo apt-get install libminiupnpc-dev (see --with-miniupnpc and --enable-upnp-default)
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Dependencies for the GUI: Ubuntu & Debian
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-----------------------------------------
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If you want to build Bitcoin-Qt, make sure that the required packages for Qt development
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are installed. Either Qt 4 or Qt 5 are necessary to build the GUI.
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If both Qt 4 and Qt 5 are installed, Qt 4 will be used. Pass `--with-gui=qt5` to configure to choose Qt5.
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To build without GUI pass `--without-gui`.
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To build with Qt 4 you need the following:
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apt-get install libqt4-dev libprotobuf-dev protobuf-compiler
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For Qt 5 you need the following:
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apt-get install libqt5gui5 libqt5core5 libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev
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libqrencode (optional) can be installed with:
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apt-get install libqrencode-dev
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Once these are installed, they will be found by configure and a bitcoin-qt executable will be
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built by default.
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Notes
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-----
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The release is built with GCC and then "strip bitcoind" to strip the debug
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symbols, which reduces the executable size by about 90%.
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miniupnpc
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---------
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tar -xzvf miniupnpc-1.6.tar.gz
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cd miniupnpc-1.6
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make
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sudo su
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make install
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Berkeley DB
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-----------
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You need Berkeley DB 4.8. If you have to build Berkeley DB yourself:
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cd build_unix/
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../dist/configure --enable-cxx
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make
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sudo make install
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Boost
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-----
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If you need to build Boost yourself:
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sudo su
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./bootstrap.sh
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./bjam install
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Security
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--------
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To help make your bitcoin installation more secure by making certain attacks impossible to
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exploit even if a vulnerability is found, binaries are hardened by default.
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This can be disabled with:
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Hardening Flags:
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./configure --enable-hardening
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./configure --disable-hardening
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Hardening enables the following features:
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* Position Independent Executable
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Build position independent code to take advantage of Address Space Layout Randomization
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offered by some kernels. An attacker who is able to cause execution of code at an arbitrary
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memory location is thwarted if he doesn't know where anything useful is located.
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The stack and heap are randomly located by default but this allows the code section to be
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randomly located as well.
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On an Amd64 processor where a library was not compiled with -fPIC, this will cause an error
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such as: "relocation R_X86_64_32 against `......' can not be used when making a shared object;"
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To test that you have built PIE executable, install scanelf, part of paxutils, and use:
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scanelf -e ./bitcoin
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The output should contain:
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TYPE
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ET_DYN
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* Non-executable Stack
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If the stack is executable then trivial stack based buffer overflow exploits are possible if
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vulnerable buffers are found. By default, bitcoin should be built with a non-executable stack
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but if one of the libraries it uses asks for an executable stack or someone makes a mistake
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and uses a compiler extension which requires an executable stack, it will silently build an
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executable without the non-executable stack protection.
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To verify that the stack is non-executable after compiling use:
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`scanelf -e ./bitcoin`
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the output should contain:
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STK/REL/PTL
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RW- R-- RW-
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The STK RW- means that the stack is readable and writeable but not executable.
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Disable-wallet mode
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--------------------
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When the intention is to run only a P2P node without a wallet, bitcoin may be compiled in
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disable-wallet mode with:
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./configure --disable-wallet
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In this case there is no dependency on Berkeley DB 4.8.
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Mining is also possible in disable-wallet mode, but only using the `getblocktemplate` RPC
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call not `getwork`.
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