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UNIX BUILD NOTES
====================
Some notes on how to build Bitcoin Core in Unix.
(For BSD specific instructions, see `build-*bsd.md` in this directory.)
To Build
---------------------
```bash
./autogen.sh
./configure
make # use "-j N" for N parallel jobs
make install # optional
```
See below for instructions on how to [install the dependencies on popular Linux
distributions](#linux-distribution-specific-instructions), or the
[dependencies](#dependencies) section for a complete overview.
## Memory Requirements
C++ compilers are memory-hungry. It is recommended to have at least 1.5 GB of
memory available when compiling Bitcoin 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"
Alternatively, or in addition, debugging information can be skipped for compilation. The default compile flags are
`-g -O2`, and can be changed with:
./configure CXXFLAGS="-O2"
Finally, clang (often less resource hungry) can be used instead of gcc, which is used by default:
./configure CXX=clang++ CC=clang
## Linux Distribution Specific Instructions
### Ubuntu & Debian
#### Dependency Build Instructions
Build requirements:
sudo apt-get install build-essential libtool autotools-dev automake pkg-config bsdmainutils python3
Now, you can either build from self-compiled [depends](#dependencies) or install the required dependencies:
sudo apt-get install libevent-dev libboost-dev
SQLite is required for the descriptor wallet:
sudo apt install libsqlite3-dev
Berkeley DB is only required for the legacy wallet. Ubuntu and Debian have their own `libdb-dev` and `libdb++-dev` packages,
but these will install Berkeley DB 5.3 or later. This will break binary wallet compatibility with the distributed
executables, which are based on BerkeleyDB 4.8. If you do not care about wallet compatibility, pass
`--with-incompatible-bdb` to configure. Otherwise, you can build Berkeley DB [yourself](#berkeley-db).
To build Bitcoin Core without wallet, see [*Disable-wallet mode*](#disable-wallet-mode)
Optional port mapping libraries (see: `--with-miniupnpc` and `--with-natpmp`):
sudo apt install libminiupnpc-dev libnatpmp-dev
ZMQ dependencies (provides ZMQ API):
sudo apt-get install libzmq3-dev
User-Space, Statically Defined Tracing (USDT) dependencies:
sudo apt install systemtap-sdt-dev
GUI dependencies:
If you want to build bitcoin-qt, make sure that the required packages for Qt development
are installed. Qt 5 is necessary to build the GUI.
To build without GUI pass `--without-gui`.
To build with Qt 5 you need the following:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools
Additionally, to support Wayland protocol for modern desktop environments:
sudo apt install qtwayland5
libqrencode (optional) can be installed with:
sudo apt-get install libqrencode-dev
Once these are installed, they will be found by configure and a bitcoin-qt executable will be
built by default.
### Fedora
#### Dependency Build Instructions
Build requirements:
sudo dnf install gcc-c++ libtool make autoconf automake python3
Now, you can either build from self-compiled [depends](#dependencies) or install the required dependencies:
sudo dnf install libevent-devel boost-devel
SQLite is required for the descriptor wallet:
sudo dnf install sqlite-devel
Berkeley DB is only required for the legacy wallet. Fedora releases have only `libdb-devel` and `libdb-cxx-devel` packages, but these will install
Berkeley DB 5.3 or later. This will break binary wallet compatibility with the distributed executables, which
are based on Berkeley DB 4.8. If you do not care about wallet compatibility,
pass `--with-incompatible-bdb` to configure. Otherwise, you can build Berkeley DB [yourself](#berkeley-db).
To build Bitcoin Core without wallet, see [*Disable-wallet mode*](#disable-wallet-mode)
Optional port mapping libraries (see: `--with-miniupnpc` and `--with-natpmp`):
sudo dnf install miniupnpc-devel libnatpmp-devel
ZMQ dependencies (provides ZMQ API):
sudo dnf install zeromq-devel
User-Space, Statically Defined Tracing (USDT) dependencies:
sudo dnf install systemtap-sdt-devel
GUI dependencies:
If you want to build bitcoin-qt, make sure that the required packages for Qt development
are installed. Qt 5 is necessary to build the GUI.
To build without GUI pass `--without-gui`.
To build with Qt 5 you need the following:
sudo dnf install qt5-qttools-devel qt5-qtbase-devel
Additionally, to support Wayland protocol for modern desktop environments:
sudo dnf install qt5-qtwayland
libqrencode (optional) can be installed with:
sudo dnf install qrencode-devel
Once these are installed, they will be found by configure and a bitcoin-qt executable will be
built by default.
## Dependencies
See [dependencies.md](dependencies.md) for a complete overview, and
[depends](/depends/README.md) on how to compile them yourself, if you wish to
not use the packages of your Linux distribution.
### Berkeley DB
The legacy wallet uses Berkeley DB. To ensure backwards compatibility it is
recommended to use Berkeley DB 4.8. If you have to build it yourself, and don't
want to use any other libraries built in depends, you can do:
```bash
make -C depends NO_BOOST=1 NO_LIBEVENT=1 NO_QT=1 NO_SQLITE=1 NO_NATPMP=1 NO_UPNP=1 NO_ZMQ=1 NO_USDT=1
...
to: /path/to/bitcoin/depends/x86_64-pc-linux-gnu
```
and configure using the following:
```bash
export BDB_PREFIX="/path/to/bitcoin/depends/x86_64-pc-linux-gnu"
./configure \
BDB_LIBS="-L${BDB_PREFIX}/lib -ldb_cxx-4.8" \
BDB_CFLAGS="-I${BDB_PREFIX}/include"
```
**Note**: Make sure that `BDB_PREFIX` is an absolute path.
**Note**: You only need Berkeley DB if the legacy wallet is enabled (see [*Disable-wallet mode*](#disable-wallet-mode)).
Disable-wallet mode
--------------------
When the intention is to only run a P2P node, without a wallet, Bitcoin Core can
be compiled in disable-wallet mode with:
./configure --disable-wallet
In this case there is no dependency on SQLite or Berkeley DB.
Mining is also possible in disable-wallet mode using the `getblocktemplate` RPC call.
Additional Configure Flags
--------------------------
A list of additional configure flags can be displayed with:
./configure --help
Setup and Build Example: Arch Linux
-----------------------------------
This example lists the steps necessary to setup and build a command line only distribution of the latest changes on Arch Linux:
pacman --sync --needed autoconf automake boost gcc git libevent libtool make pkgconf python sqlite
git clone https://github.com/bitcoin/bitcoin.git
cd bitcoin/
./autogen.sh
./configure
make check
./src/bitcoind
If you intend to work with legacy Berkeley DB wallets, see [Berkeley DB](#berkeley-db) section.
|
