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i2pd_docs_en/docs/devs/building/unix.md

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Building on Unix systems

This doc is trying to cover:

Make sure you have all required dependencies for your system successfully installed. See this page for common requirements.

If so then we are ready to go! Let's clone the repository and start building the i2pd:

git clone https://github.com/PurpleI2P/i2pd.git

Generic build process looks like this (with cmake):

cd i2pd/build
cmake <cmake options> . # see "CMake Options" section below
make                    # you may add VERBOSE=1 to cmdline for debugging

..or with quick-and-dirty way with just make:

cd i2pd/
make

After successful build i2pd could be installed with:

make install

CMake Options

Available CMake options(each option has a form of -D<key>=<value>, for more information see man 1 cmake):

  • CMAKE_BUILD_TYPE build profile (Debug/Release, default: no optimization or debug symbols)
  • WITH_BINARY build i2pd itself (default: ON)
  • WITH_LIBRARY build libi2pd (default: ON)
  • WITH_STATIC build static versions of library and i2pd binary (default: OFF)
  • WITH_UPNP build with UPnP support (requires libminiupnp, default: OFF)
  • WITH_AESNI build with AES-NI support (default: OFF)
  • WITH_HARDENING enable hardening features (gcc only, default: OFF)
  • WITH_PCH use pre-compiled header (experimental, speeds up build, default: OFF)
  • WITH_I2LUA used when building i2lua (default: OFF)
  • WITH_WEBSOCKETS enable websocket server (default: OFF)
  • WITH_AVX build with AVX support (default: OFF)
  • WITH_MESHNET build for cjdns test network (default: OFF)
  • WITH_ADDRSANITIZER build with Address Sanitizer (default: OFF)
  • WITH_THREADSANITIZER build with Thread Sanitizer (default: OFF)

Also there is -L flag for CMake that could be used to list current cached options:

cmake -L

Debian/Ubuntu

You will need a compiler and other tools that could be installed with build-essential and debhelper packages:

sudo apt-get install build-essential debhelper

Also you will need a bunch of development libraries:

sudo apt-get install \
    libboost-date-time-dev \
    libboost-filesystem-dev \
    libboost-program-options-dev \
    libboost-system-dev \
    libssl-dev \
    zlib1g-dev

If you need UPnP support miniupnpc development library should be installed (don't forget to rerun CMake with needed option):

sudo apt-get install libminiupnpc-dev

You may also build deb-package with the following:

sudo apt-get install fakeroot devscripts dh-apparmor
cd i2pd
debuild --no-tgz-check -us -uc -b

Fedora/Centos

You will need a compiler and other tools to perform a build:

sudo yum install make cmake gcc gcc-c++

Also you will need a bunch of development libraries

sudo yum install boost-devel openssl-devel

If you need UPnP support miniupnpc development library should be installed (don't forget to rerun CMake with needed option):

sudo yum install miniupnpc-devel

Latest Fedora systems using DNF instead of YUM by default, you may prefer to use DNF, but YUM should be ok

Centos 7 has CMake 2.8.11 in the official repositories that too old to build i2pd, CMake >=2.8.12 is required. But you can use cmake3 from the epel repository:

yum install epel-release -y
yum install make cmake3 gcc gcc-c++ miniupnpc-devel boost-devel openssl-devel -y

...and then use 'cmake3' instead 'cmake'.

Mac OS X

Requires homebrew

brew install boost openssl@1.1

To build:

make HOMEBREW=1 -j8 # uses 8 threads

To install into the system root (/):

sudo make install HOMEBREW=1

To install into the Homebrew root (/usr/local/):

sudo make install HOMEBREW=1 PREFIX=/usr/local

FreeBSD

For 10.X use clang. You would also need devel/boost-libs, security/openssl and devel/gmake ports. Type gmake, it invokes Makefile.bsd, make necessary changes there is required.

Branch 9.X has gcc v4.2, that is too old (not supports -std=c++11)

Required ports:

  • devel/cmake
  • devel/boost-libs
  • lang/gcc47(or later version)

To use newer compiler you should set these variables(replace "47" with your actual gcc version):

export CC=/usr/local/bin/gcc47
export CXX=/usr/local/bin/g++47