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UNIX BUILD NOTES

Some notes on how to build Gridcoin in Unix.

(for OpenBSD specific instructions, see build-openbsd.md)

Note

Always use absolute paths to configure and compile gridcoin and the dependencies, for example, when specifying 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.

Preparing the Build

Install git: Ubuntu & Debian: sudo apt-get install git openSUSE: sudo zypper install git Clone the repository and cd into it:

git clone https://github.com/gridcoin/Gridcoin-Research
cd Gridcoin-Research

Go to platform specific instructions for the required depencies below.

To Build

./autogen.sh
./configure
make
make install # optional

Or, to keep the source directory clean:

./autogen.sh && mkdir build && ../configure && make

This will build gridcoinresearch (Qt client) as well if the dependencies are met.

Dependencies

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
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)
libqrencode QR codes in GUI Optional for generating QR codes (only needed when GUI enabled)

For the versions used in the release, see release-process.md under Fetch and build inputs.

Memory Requirements

C++ compilers are memory-hungry. It is recommended to have at least 1.5 GB of memory available when compiling Gridcoin. 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"

Dependency Build Instructions: Ubuntu & Debian

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:

  1. 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
    
  2. 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.

For Ubuntu only: db4.8 packages are available here. You can add the repository and install using the following commands:

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

Ubuntu and Debian have their own libdb-dev and libdb++-dev packages, but these will install BerkeleyDB 5.1 or later, which 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.

See the section "Disable-wallet mode" to build Gridcoin without wallet.

Optional (see --with-miniupnpc and --enable-upnp-default):

sudo apt-get install libminiupnpc-dev

Dependencies for the GUI: Ubuntu & Debian

If you want to build gridcoinresearch, 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 configure.

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

If ./configure fails to detect your QT installation, you have to run:

	sudo apt-get install libqt5*

to install all QT5 packages available for your Linux Distribution.

libqrencode (enabled by default, switch off by passing --without-qrencode to configure) can be installed with:

sudo apt-get install libqrencode-dev

Once these are installed, they will be found by configure and a gridcoinresearch executable will be built by default.

Dependency Build Instructions: OpenSUSE

Build requirements:

sudo zypper install -t pattern devel_basis
sudo zypper install libtool automake autoconf pkg-config libopenssl-devel libevent-devel

Options when installing required Boost library files:

  1. On at least openSUSE Leap there are generic names for the individual boost development packages, so the following can be used to only install necessary parts of boost:

Tumbleweed:

    sudo zypper install libboost_system1_*_0-devel libboost_filesystem1_*_0-devel libboost_chrono1_*_0-devel libboost_program_options1_*_0-devel libboost_test1_*_0-devel libboost_thread1_*_0-devel

Leap:

    sudo zypper install libboost_system1_61_0-devel libboost_filesystem1_61_0-devel libboost_chrono1_61_0-devel libboost_program_options1_61_0-devel libboost_test1_61_0-devel libboost_thread1_61_0-devel
  1. If that doesn't work, you can install all boost development packages with:

Leap:

    sudo zypper install boost_1_61-devel

BerkeleyDB is required for the wallet.

  sudo zypper install libdb-4_8-devel

Optional (see --with-miniupnpc and --enable-upnp-default):

sudo zypper install libminiupnpc-devel

Dependencies for the GUI: openSUSE

If you want to build gridcoinresearch, 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 configure.

To build with Qt 5 (recommended) you need the following:

sudo zypper install libQt5Gui5 libQt5Core5 libQt5DBus5 libQt5Network-devel libqt5-qttools-devel libqt5-qttools

Additionally for Tumbleweed:

sudo zypper install libQt5Charts5-designer

libqrencode (enabled by default, switch off by passing --without-qrencode to configure) can be installed with:

sudo zypper install qrencode-devel

Once these are installed, they will be found by configure and a gridcoinresearch executable will be built by default.

Setup and Build Example: Arch Linux

This example lists the steps necessary to setup and build a command line only of the latest changes on Arch Linux:

pacman -S git base-devel boost libevent python
git clone https://github.com/gridcoin/Gridcoin-Research.git
cd Gridcoin-Research/
./autogen.sh
./configure --without-gui --without-miniupnpc
make check

Note: Enabling wallet support requires either compiling against a Berkeley DB newer than 4.8 (package db) using --with-incompatible-bdb, or building and depending on a local version of Berkeley DB 4.8. The readily available Arch Linux packages are currently built using --with-incompatible-bdb according to the PKGBUILD. As mentioned above, when maintaining portability of the wallet between the standard Gridcoin distributions and independently built node software is desired, Berkeley DB 4.8 must be used.

ARM Cross-compilation

These steps can be performed on, for example, an Ubuntu VM. The depends system will also work on other Linux distributions, however the commands for installing the toolchain will be different.

Make sure you install the build requirements mentioned above. Then, install the toolchain and curl for 64 bit:

sudo apt-get install g++-aarch64-linux-gnu

And for 32 bit:

sudo apt-get install g++-arm-linux-gnueabihf curl

To build executables for 64 bit ARM:

cd depends
make HOST=aarch64-linux-gnu NO_QT=1
cd ..
./configure --prefix=$PWD/depends/aarch64-linux-gnu --enable-glibc-back-compat --enable-reduce-exports LDFLAGS=-static-libstdc++
make

For 32 bit configure with:

./configure --prefix=$PWD/depends/arm-linux-gnueabihf --enable-glibc-back-compat --enable-reduce-exports LDFLAGS=-static-libstdc++

For further documentation on the depends system see README.md in the depends directory.

Building on FreeBSD

(Updated as of FreeBSD 11.0)

Clang is installed by default as cc compiler, this makes it easier to get started than on OpenBSD. Installing dependencies:

pkg install autoconf automake libtool pkgconf
pkg install boost-libs openssl libevent
pkg install gmake

You need to use GNU make (gmake) instead of make. (libressl instead of openssl will also work)

For the wallet (optional):

pkg install db5

This will give a warning "configure: WARNING: Found Berkeley DB other than 4.8; wallets opened by this build will not be portable!", but as FreeBSD never had a binary release, this may not matter. If backwards compatibility with 4.8-built Gridcoin is needed follow the steps under "Berkeley DB" above.

Then build using:

./autogen.sh
./configure --with-incompatible-bdb BDB_CFLAGS="-I/usr/local/include/db5" BDB_LIBS="-L/usr/local/lib -ldb_cxx-5"
gmake

Note on debugging: The version of gdb installed by default is ancient and considered harmful. It is not suitable for debugging a multi-threaded C++ program, not even for getting backtraces. Please install the package gdb and use the versioned gdb command e.g. gdb7111.

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