build-darwin.sh

#!/usr/bin/env bash

# This script builds BlazingMQ and all of its dependencies.
#
# Required tools:
# - Clang
# - git
# - Homebrew
# - Perl
# - Python3
#
# Options:
#   -h, --help          Show this help and exit
#       --install-deps  Install required Homebrew packages before building

set -e
set -u
[ -z "$BASH" ] || shopt -s expand_aliases

print_help() {
    cat <<'USAGE'
BlazingMQ Build Script

Usage:
  bin/$(basename "$0") [OPTIONS]

Options:
  -h, --help          Show this help and exit
      --install-deps  Install required Homebrew packages via Homebrew

What it does:
  • Optionally installs prerequisites using Homebrew:
      brew install cmake flex bison google-benchmark googletest ninja pkg-config zlib
  • Clones third-party deps (bde-tools, bde, ntf-core)
  • Builds and installs BDE and NTF
  • Configures and builds BlazingMQ

Notes:
  • Run this script from the root of the BlazingMQ repository.
USAGE
}

INSTALL_DEPS=false

# Parse args (simple, portable long-option handling)
for arg in "$@"; do
    case "$arg" in
    -h | --help)
        print_help
        exit 0
        ;;
    --install-deps)
        INSTALL_DEPS=true
        ;;
    *)
        echo "Unknown option: $arg" >&2
        echo "Try '--help' for usage." >&2
        exit 2
        ;;
    esac
done

script_path="bin/$(basename "$0")"

if [ ! -f "$script_path" ] || [ "$(realpath "$0")" != "$(realpath "$script_path")" ]; then
    echo 'This script must be run from the root of the BlazingMQ repository.'
    exit 1
fi

# :: Optionally install prerequisites :::::::::::::::::::::::::::::::::::::::::

REQ_PKGS=(cmake flex bison google-benchmark googletest ninja pkg-config zlib)

if $INSTALL_DEPS; then
    if ! command -v brew >/dev/null 2>&1; then
        echo "Homebrew is required for '--install-deps' but was not found on PATH." >&2
        echo "Install Homebrew from https://brew.sh/ and re-run with --install-deps." >&2
        exit 1
    fi
    echo "Installing prerequisites via Homebrew..."
    brew install "${REQ_PKGS[@]}"
    echo "Prerequisites installed."
fi

# :: Set some initial constants :::::::::::::::::::::::::::::::::::::::::::::::
DIR_ROOT="$(pwd)"

DIR_THIRDPARTY="${DIR_ROOT}/thirdparty"
mkdir -p "${DIR_THIRDPARTY}"

DIR_BUILD="${DIR_BUILD:-${DIR_ROOT}/build}"
mkdir -p "${DIR_BUILD}"

DIR_INSTALL="${DIR_INSTALL:-${DIR_ROOT}}"
mkdir -p "${DIR_INSTALL}"

# :: Clone dependencies :::::::::::::::::::::::::::::::::::::::::::::::::::::::
if [ ! -d "${DIR_THIRDPARTY}/bde-tools" ]; then
    git clone --depth 1 --branch 4.35.0.0 https://github.com/bloomberg/bde-tools "${DIR_THIRDPARTY}/bde-tools"
fi
if [ ! -d "${DIR_THIRDPARTY}/bde" ]; then
    git clone --depth 1 --branch 4.35.0.0 https://github.com/bloomberg/bde.git "${DIR_THIRDPARTY}/bde"
fi
if [ ! -d "${DIR_THIRDPARTY}/ntf-core" ]; then
    git clone --depth 1 --branch 2.6.11 https://github.com/bloomberg/ntf-core.git "${DIR_THIRDPARTY}/ntf-core"
fi

# :: Install required packages ::::::::::::::::::::::::::::::::::::::::::::::::

# Build and install BDE
# Refer to https://bloomberg.github.io/bde/library_information/build.html
PATH="${DIR_THIRDPARTY}/bde-tools/bin:$PATH"

if [ ! -e "${DIR_BUILD}/bde/.complete" ]; then
    # Build and install BDE
    (
        # Suppress warnings from BDE build (scoped to this subshell)
        # shellcheck disable=SC2030
        export CXXFLAGS="-w -fsized-deallocation" CFLAGS="-w"
        cd "${DIR_THIRDPARTY}/bde"
        eval "$(bbs_build_env -p clang -u opt_64_cpp17 -b "${DIR_BUILD}/bde" -i "${DIR_INSTALL}")"
        bbs_build configure --prefix="${DIR_INSTALL}"
        bbs_build build --prefix="${DIR_INSTALL}"
        bbs_build install --install_dir="/" --prefix="${DIR_INSTALL}"
        eval "$(bbs_build_env unset)"
    )
    touch "${DIR_BUILD}/bde/.complete"
fi

if [ ! -e "${DIR_BUILD}/ntf/.complete" ]; then
    # Build and install NTF
    (
        # Suppress warnings from NTF build (scoped to this subshell)
        # shellcheck disable=SC2031
        export CXXFLAGS="-w" CFLAGS="-w"
        cd "${DIR_THIRDPARTY}/ntf-core"
        ./configure --prefix "${DIR_INSTALL}" \
            --output "${DIR_BUILD}/ntf" \
            --toolchain "${DIR_THIRDPARTY}/bde-tools/BdeBuildSystem/toolchains/darwin/clang-default.cmake" \
            --generator Ninja \
            --without-warnings-as-errors \
            --without-usage-examples \
            --without-applications \
            --with-zlib \
            --without-zstd \
            --without-lz4 \
            --ufid opt_64_cpp17
        make -j 16
        make install
    )
    touch "${DIR_BUILD}/ntf/.complete"
fi

# :: Build the BlazingMQ repo :::::::::::::::::::::::::::::::::::::::::::::::::
export DIR_THIRDPARTY DIR_BUILD DIR_INSTALL
cmake --preset darwin-arm64
cmake --build --preset darwin-arm64

echo broker is here: "${DIR_BUILD}/blazingmq/src/applications/bmqbrkr/bmqbrkr.tsk"
echo to run the broker: "${DIR_BUILD}/blazingmq/src/applications/bmqbrkr/run"
echo tool is here: "${DIR_BUILD}/blazingmq/src/applications/bmqtool/bmqtool.tsk"

SELF_HOST_ADDRESS="127.0.0.1       $(hostname)"
if ! (grep -q "$SELF_HOST_ADDRESS" /etc/hosts >/dev/null); then
    echo "Warning: self hostname $(hostname) not found in /etc/hosts"
    echo "It might be necessary to add it manually to launch bmqbrkr:"
    echo "sudo bash -c \"echo \\\"$SELF_HOST_ADDRESS\\\" >> /etc/hosts\""
fi