[feature] add MacOS build script, docs, and homebrew deps (#3734)

Co-authored-by: Richard Howard <[email protected]>
Co-authored-by: ZenGround0 <[email protected]>

Author: 3 people

.gitignore

@@ -31,3 +31,6 @@ tools/chain-util/chain-util
 // IDE (vscode)
 .vscode
 debug.test
+
+// HomeBrew
+Brewfile.lock.json

Brewfile

@@ -0,0 +1,5 @@
+brew 'jq'
+brew 'golang'
+brew 'rust'
+brew 'pkg-config'
+brew 'gcc'

README.md

@@ -57,6 +57,11 @@ Windows is not yet supported.
 A validating node can run on most systems with at least 8GB of RAM. 
 A mining node requires significant RAM and GPU resources, depending on the sector configuration to be used.
 
+### Install from Source on MacOS
+```sh
+curl -fsSL https://raw.githubusercontent.com/filecoin-project/go-filecoin/master/scripts/build/mac-build.sh
+```
+
 ### Install from Source
 
 Clone this git repository to your machine:

scripts/build/mac-build.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+set -Eeou pipefail
+
+export CC=gcc
+
+if [ -z "$GOPATH" ]; then
+  echo 'no GOPATH set using ~'
+  export GOPATH=~
+fi
+
+base_build_path=${GOPATH}/src/github.com/filecoin-project
+build_path=${base_build_path}/go-filecoin
+
+mkdir -p ${base_build_path}
+git clone https://github.com/filecoin-project/go-filecoin.git ${build_path}
+
+if which brew; then
+  echo 'HomeBrew found'
+else
+  echo "Homebrew not found. Installing Homebrew"
+  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+  echo 'HomeBrew found'
+fi
+
+echo 'installing HomeBrew dependencies'
+brew bundle --file=${build_path}/Brewfile --verbose
+
+cd ${build_path} || exit 1
+echo 'pulling down submodules'
+git submodule update --init --recursive
+
+echo 'build go-filecoin dependencies'
+FILECOIN_USE_PRECOMPILED_RUST_PROOFS=true go run ${build_path}/build deps
+
+go run ${build_path}/build build