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OpenBSD build guide

(updated for FreeBSD 12.1)

This guide describes how to build bitcoind and command-line utilities on FreeBSD.

We will not cover building the GUI.

Important: use gmake, not make. The non-GNU make will exit with a horrible error.

Preparation

Run the following as root to install the base dependencies for building:

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

See dependencies.md for a complete overview.

Building Bitcoin Unlimited

As your normal (non root) user, go through the steps below

Fetch the code

git clone https://gitlab.com/bitcoinunlimited/BCHUnlimited.git
cd BCHUnlimited/

Preparation

export MAKE=gmake

Now you need to choose to build without or with wallet functionality. If you just require a running node, you generally don't need wallet functionality

To build without wallet

While in the BitcoinUnlimited directory

./autogen.sh
./configure --disable-wallet --with-gui=no
gmake # You may get an error with one of the tests.

You will find the bitcoind binary in the src/ folder.

To build with wallet

To stay backwards compatible with old walletfiles we specifically need BerkeleyDB 4.8. You cannot use the BerkeleyDB library from ports.

Building BerkeleyDB

BerkeleyDB is only necessary for the wallet functionality. To skip this, pass --disable-wallet to ./configure. See above.

To build Berkeley DB 4.8:

# Pick some path to install BDB to, here we create a directory within the bitcoin directory
BDB_PREFIX=$(pwd)/db4
mkdir -p $BDB_PREFIX

# Fetch the source and verify that it is not tampered with
curl 'https://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz' -o db-4.8.30.NC.tar.gz
echo '12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef  db-4.8.30.NC.tar.gz' | shasum -c
# MUST output: db-4.8.30.NC.tar.gz: OK
tar -xzf db-4.8.30.NC.tar.gz

# Fetch, verify that it is not tampered with and apply clang related patch
cd db-4.8.30.NC/
curl 'https://gist.githubusercontent.com/LnL7/5153b251fd525fe15de69b67e63a6075/raw/7778e9364679093a32dec2908656738e16b6bdcb/clang.patch' -o clang.patch
echo '7a9a47b03fd5fb93a16ef42235fa9512db9b0829cfc3bdf90edd3ec1f44d637c  clang.patch' | shasum -c
# MUST output: clang.patch: OK
patch -p2 < clang.patch

# Build the library and install to specified prefix
cd build_unix/
./../dist/configure --enable-cxx --disable-shared --with-pic --prefix=$BDB_PREFIX
gmake install
cd ../..

You should now have the required files in db4/lib/ and db4/include/.

To build with wallet

Make sure BDB_PREFIX is set to the appropriate path from building BDB. See above.

While in the BitcoinUnlimited directory.

./autogen.sh
./configure LDFLAGS="-L${BDB_PREFIX}/lib/" CPPFLAGS="-I${BDB_PREFIX}/include/" --with-gui=no
gmake