message: added build instructions to README.md for MongoDB to manual installation of dependencies for darwin
diff: @@ -847,6 +847,7 @@ macOS additional Dependencies:
  * Brew
  * Newest XCode
  +* MongoDB C++ driver
  Upgrade your XCode to the newest version:
  @@ -864,9 +865,33 @@ Install the dependencies:
  ```bash
  brew update
  -brew install git automake libtool boost openssl llvm@4 gmp ninja gettext
  +brew install git automake libtool cmake boost openssl@1.0 llvm@4 gmp ninja gettext mongodb
  brew link gettext --force
  ```
  +Install [mongo-cxx-driver (release/stable)](https://github.com/mongodb/mongo-cxx-driver):
  +
  +```bash
  +cd ~
  +brew install --force pkgconfig
  +brew unlink pkgconfig && brew link --force pkgconfig
  +curl -LO https://github.com/mongodb/mongo-c-driver/releases/download/1.9.3/mongo-c-driver-1.9.3.tar.gz
  +tar xf mongo-c-driver-1.9.3.tar.gz
  +rm -f mongo-c-driver-1.9.3.tar.gz
  +cd mongo-c-driver-1.9.3
  +./configure --enable-ssl=darwin --disable-automatic-init-and-cleanup --prefix=/usr/local
  +make -j$( sysctl -in machdep.cpu.core_count )
  +sudo make install
  +cd ..
  +rm -rf mongo-c-driver-1.9.3
  +
  +git clone https://github.com/mongodb/mongo-cxx-driver.git --branch releases/stable --depth 1
  +cd mongo-cxx-driver/build
  +cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
  +make -j$( sysctl -in machdep.cpu.core_count )
  +sudo make install
  +cd ..
  +rm -rf mongo-cxx-driver
  +```
  Install [secp256k1-zkp (Cryptonomex branch)](https://github.com/cryptonomex/secp256k1-zkp.git):
  