Some notes on how to build Artiqox Core in Unix.
(for OpenBSD specific instructions, see build-openbsd.md)
Always use absolute paths to configure and compile Artiqox and the dependencies, for example, when specifying the the path of the dependency:
../dist/configure --enable-cxx --disable-shared --with-pic --prefix=$BDB_PREFIX
Here BDB_PREFIX must be an absolute path - it is defined using $(pwd) which ensures the usage of the absolute path.
./autogen.sh
./configure
make
make install # optionalThis will build Artiqox-Qt as well if the dependencies are met.
These dependencies are required:
| 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 |
Optional dependencies:
| Library | Purpose | Description |
|---|---|---|
| miniupnpc | UPnP Support | Firewall-jumping support |
| libdb5.1 | 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) |
For the versions used in the release, see release-process.md under Fetch and build inputs.
C++ compilers are memory-hungry. It is recommended to have at least 1.5 GB of memory available when compiling Artiqox Core. On systems with less, gcc can be tuned to conserve memory with additional CXXFLAGS:
./configure CXXFLAGS="--param ggc-min-expand=1 --param ggc-min-heapsize=32768"
Build requirements:
sudo apt-get install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils
Options when installing required Boost library files:
-
On at least Ubuntu 14.04+ and Debian 7+ there are generic names for the individual boost development packages, so the following can be used to only install necessary parts of boost:
sudo apt-get install libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-program-options-dev libboost-test-dev libboost-thread-dev -
If that doesn't work, you can install all boost development packages with:
sudo apt-get install libboost-all-dev
BerkeleyDB is required for the wallet.
sudo apt-get install libdb5.1-dev libdb5.1++-dev
Note that if you have Berkeley DB 4.8 packages installed (i.e. for other
wallet software), they are incompatible with the packages for 5.1. You
will have to manually download 5.1 from
http://download.oracle.com/berkeley-db/db-5.1.29.NC.tar.gz and compile
it, install it to /usr/local where the configure script should locate it
automatically.
See the section "Disable-wallet mode" to build Artiqox Core without wallet.
Optional (see --with-miniupnpc and --enable-upnp-default):
sudo apt-get install libminiupnpc-dev
ZMQ dependencies (provides ZMQ API 4.x):
sudo apt-get install libzmq3-dev
If you want to build Artiqox-Qt, make sure that the required packages for Qt development
are installed. Either Qt 4 or Qt 5 are necessary to build the GUI.
If both Qt 4 and Qt 5 are installed, Qt 4 will be used. Pass --with-gui=qt5 to configure to choose Qt5.
To build without GUI pass --without-gui.
To build with Qt 5 (recommended) you need the following:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler
Alternatively, to build with Qt 4 you need the following:
sudo apt-get install libqt4-dev libprotobuf-dev protobuf-compiler
libqrencode (optional) can be installed with:
sudo apt-get install libqrencode-dev
Once these are installed, they will be found by configure and a artiqox-qt executable will be built by default.
Build requirements:
sudo dnf install gcc-c++ libtool make autoconf automake openssl-devel libevent-devel boost-devel libdb4-devel libdb4-cxx-devel
Optional:
sudo dnf install miniupnpc-devel
To build with Qt 5 (recommended) you need the following:
sudo dnf install qt5-qttools-devel qt5-qtbase-devel protobuf-devel
libqrencode (optional) can be installed with:
sudo dnf install qrencode-devel
The release is built with GCC and then "strip artiqoxd" to strip the debug symbols, which reduces the executable size by about 90%.
miniupnpc may be used for UPnP port mapping. It can be downloaded from here. UPnP support is compiled in and turned off by default. See the configure options for upnp behavior desired:
--without-miniupnpc No UPnP support miniupnp not required
--disable-upnp-default (the default) UPnP support turned off by default at runtime
--enable-upnp-default UPnP support turned on by default at runtime
It is recommended to use Berkeley DB 5.1. If you have to build it yourself:
BITCOIN_ROOT=$(pwd)
# Pick some path to install BDB to, here we create a directory within the artiqox directory
BDB_PREFIX="${BITCOIN_ROOT}/db5"
mkdir -p $BDB_PREFIX
# Fetch the source and verify that it is not tampered with
wget 'http://download.oracle.com/berkeley-db/db-5.1.29.NC.tar.gz'
echo '08238e59736d1aacdd47cfb8e68684c695516c37f4fbe1b8267dde58dc3a576c db-5.1.29.NC.tar.gz' | sha256sum -c
# -> db-5.1.29.NC.tar.gz: OK
tar -xzvf db-5.1.29.NC.tar.gz
# Build the library and install to our prefix
cd db-5.1.29.NC/build_unix/
# Note: Do a static build so that it can be embedded into the executable, instead of having to find a .so at runtime
../dist/configure --enable-cxx --disable-shared --with-pic --prefix=$BDB_PREFIX
make install
# Configure Artiqox Core to use our own-built instance of BDB
cd $BITCOIN_ROOT
./autogen.sh
./configure LDFLAGS="-L${BDB_PREFIX}/lib/" CPPFLAGS="-I${BDB_PREFIX}/include/" # (other args...)Note: You only need Berkeley DB if the wallet is enabled (see the section Disable-Wallet mode below).
If you need to build Boost yourself:
sudo su
./bootstrap.sh
./bjam install
To help make your Artiqox installation more secure by making certain attacks impossible to exploit even if a vulnerability is found, binaries are hardened by default. This can be disabled with:
Hardening Flags:
./configure --enable-hardening
./configure --disable-hardening
Hardening enables the following features:
-
Position Independent Executable Build position independent code to take advantage of Address Space Layout Randomization offered by some kernels. Attackers who can cause execution of code at an arbitrary memory location are thwarted if they don't know where anything useful is located. The stack and heap are randomly located by default but this allows the code section to be randomly located as well.
On an AMD64 processor where a library was not compiled with -fPIC, this will cause an error such as: "relocation R_X86_64_32 against `......' can not be used when making a shared object;"
To test that you have built PIE executable, install scanelf, part of paxutils, and use:
scanelf -e ./artiqoxThe output should contain:
TYPE ET_DYN
-
Non-executable Stack If the stack is executable, trivial stack-based buffer overflow exploits are possible if vulnerable buffers are found. By default, Artiqox should be built with a non-executable stack but if one of the libraries it uses asks for an executable stack or someone makes a mistake and uses a compiler extension which requires an executable stack, it will silently build an executable without the non-executable stack protection.
To verify that the stack is non-executable after compiling, use:
scanelf -e ./artiqoxthe output should contain: STK/REL/PTL RW- R-- RW-
The STK RW- means that the stack is readable and writeable, but not executable.
When the intention is to run only a P2P node without a wallet, Artiqox may be compiled in disable-wallet mode with:
./configure --disable-wallet
In this case there is no dependency on Berkeley DB 4.8.
Mining is also possible in disable-wallet mode, but only using the getblocktemplate RPC
call, not getwork.