diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8d7999f7d..9a906ad06 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,13 @@ if(WIN32)
   set(Protobuf_LIBRARIES "${PROTOBUF_ROOT}/build/libprotobuf/Release")
   set(Protobuf_INCLUDE_DIR "${PROTOBUF_ROOT}/src")
   
+  include_directories(${Protobuf_INCLUDE_DIR})
+  link_directories(${Protobuf_LIBRARIES})
+elseif(APPLE)
+  set(PROTOBUF_ROOT "${MCSEMA_DIR}/third_party/protobuf")
+  set(Protobuf_LIBRARIES "${PROTOBUF_ROOT}/build/lib")
+  set(Protobuf_INCLUDE_DIR "${PROTOBUF_ROOT}/src")
+  
   include_directories(${Protobuf_INCLUDE_DIR})
   link_directories(${Protobuf_LIBRARIES})
 endif(WIN32)
diff --git a/bootstrap.osx.sh b/bootstrap.osx.sh
new file mode 100755
index 000000000..4a145023d
--- /dev/null
+++ b/bootstrap.osx.sh
@@ -0,0 +1,210 @@
+#!/usr/bin/env bash
+# Copyright 2017 Trail of Bits, see LICENSE for details
+
+set -e
+
+usage() {
+  echo "Usage:"
+  echo "$0 [--prefix <PREFIX>] [--build <BUILD TYPE>]"
+  echo "PREFIX: Installation directory prefix"
+  echo "BUILDTYPE: Built type (e.g. Debug, Release, etc.)"
+  exit 1
+}
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+BUILD_DIR=${DIR}/build
+THIRD_PARTY_DIR=${DIR}/third_party
+LLVM_DIR=${DIR}/third_party/llvm
+GEN_DIR=${DIR}/generated
+
+# default argument values
+# Debug Build
+BUILD_TYPE=Debug
+#Install to directory of the git clone
+PREFIX=${DIR}
+
+# taken from:
+# http://stackoverflow.com/questions/192249/how-do-i-parse-command-line-arguments-in-bash
+while [[ $# -gt 0 ]]
+do
+  key="$1"
+
+  case $key in
+      -p|--prefix)
+        PREFIX=$2
+        shift # past argument
+      ;;
+      -b|--build)
+        BUILD_TYPE="$2"
+        shift # past argument
+      ;;
+      *)
+        # unknown option
+        echo "Unknown option: $key"
+        usage
+      ;;
+  esac
+  shift # past argument or value
+done
+
+if [ ! -d "${PREFIX}" ]; then
+  echo "Cannot find installation prefix directory: ${PREFIX}"
+  exit 1
+else
+    echo "Installation directory prefix: ${PREFIX}"
+fi
+
+DEBUG_BUILD_ARGS=
+if [[ "${BUILD_TYPE}" == "Debug" ]]; then
+  echo "Build type set to: ${BUILD_TYPE}"
+  echo "  Setting build arguments for DCMAKE_BUILD_TYPE=Debug"
+  BUILD_TYPE=Debug
+  DEBUG_BUILD_ARGS="-g3 -O0"
+else
+  echo "Build type set to: ${BUILD_TYPE}"
+fi
+
+brew install wget git cmake || true
+
+echo "[+] Upgrading PIP"
+
+sudo -H pip install --upgrade pip
+
+# Create the build dir.
+echo "[+] Creating '${BUILD_DIR}'"
+mkdir -p ${BUILD_DIR}
+
+# Download and extract LLVM.
+if [ ! -e ${LLVM_DIR}/CMakeLists.txt ]; then
+  mkdir -p ${LLVM_DIR}
+  pushd ${LLVM_DIR}
+  echo "[+] Downloading LLVM.."
+  LLVM_VER=3.8.1
+  FILE=llvm-${LLVM_VER}.src.tar.xz
+  if [ ! -e ${FILE} ]; then
+    wget http://releases.llvm.org/${LLVM_VER}/${FILE}
+  fi
+  echo "[+] Extracting.."
+  tar xf ${FILE} -C ./ --strip-components=1 
+  popd
+
+fi
+
+if [ ! -e ${THIRD_PARTY_DIR}/protobuf ]; then
+    mkdir -p ${THIRD_PARTY_DIR}/protobuf
+    pushd ${THIRD_PARTY_DIR}/protobuf
+    wget https://github.com/google/protobuf/releases/download/v2.6.1/protobuf-2.6.1.tar.gz
+    tar xf protobuf-2.6.1.tar.gz -C ./ --strip-components=1
+    ./configure --prefix=$(realpath build)
+    make
+    make install
+    popd
+fi
+
+echo "[+] Installing python-protobuf"
+sudo -H pip install 'protobuf==2.6.1'
+
+if [ -d /usr/local/lib/python2.7/dist-packages/google ] ; then
+  sudo touch /usr/local/lib/python2.7/dist-packages/google/__init__.py
+fi
+
+# Generate protobuf files.
+mkdir -p ${GEN_DIR}
+if [ ! -e ${GEN_DIR}/CFG.pb.h ]; then
+  echo "[+] Auto-generating protobuf files"
+  pushd ${GEN_DIR}
+  PROTO_PATH=${DIR}/mcsema/CFG
+  ${THIRD_PARTY_DIR}/protobuf/build/bin/protoc \
+    --cpp_out ${GEN_DIR} \
+    --python_out ${GEN_DIR} \
+    --proto_path ${PROTO_PATH} \
+    ${PROTO_PATH}/CFG.proto
+
+
+  # Copy this into the IDA disassembly dir to make importing the CFG_pb2
+  # file easier.
+  cp CFG_pb2.py ${DIR}/tools/mcsema_disass/ida
+  
+  popd
+fi
+
+OSX_SDK=$(xcrun -sdk macosx --show-sdk-path)
+
+# Produce the runtimes.
+if [ ! -e ${GEN_DIR}/ELF_32_linux.S ]; then
+  echo "[+] Generating runtimes"
+  clang++-3.8 -m32 -std=gnu++11 -isysroot ${OSX_SDK} ${DIR}/mcsema/Arch/X86/Runtime/print_ELF_32_linux.cpp
+  ./a.out > ${GEN_DIR}/ELF_32_linux.S
+
+  clang++-3.8 -m64 -std=gnu++11 -isysroot ${OSX_SDK} ${DIR}/mcsema/Arch/X86/Runtime/print_ELF_64_linux.cpp
+  ./a.out > ${GEN_DIR}/ELF_64_linux.S
+
+  clang++-3.8 -m32 -std=gnu++11 -isysroot ${OSX_SDK} ${DIR}/mcsema/Arch/X86/Runtime/print_PE_32_windows.cpp
+  ./a.out > ${GEN_DIR}/PE_32_windows.asm
+
+  clang++-3.8 -m64 -std=gnu++11 -isysroot ${OSX_SDK} ${DIR}/mcsema/Arch/X86/Runtime/print_PE_64_windows.cpp
+  ./a.out > ${GEN_DIR}/PE_64_windows.asm
+
+  rm a.out
+fi
+
+# Install the disassembler
+echo "[+] Installing the disassembler"
+if [ ! -d "${PREFIX}/bin" ]; then 
+    mkdir -p "${PREFIX}/bin"
+fi
+# by default install to the user's python package directory
+# and copy the script itself to ${PREFIX}/bin
+python ${DIR}/tools/setup.py install --install-scripts "${PREFIX}/bin"
+
+PROCS=$(sysctl -n hw.ncpu)
+
+# Create makefiles
+echo "[+] Creating Makefiles"
+pushd ${BUILD_DIR}
+MCSEMA_DIR=$(realpath ${DIR})
+BUILD_DIR=$(realpath ${BUILD_DIR})
+LLVM_DIR=$(realpath ${LLVM_DIR})
+GEN_DIR=$(realpath ${GEN_DIR})
+
+echo "[x] Building LLVM"
+mkdir -p llvm
+pushd llvm
+CC=clang-3.8 \
+CXX=clang++-3.8 \
+CFLAGS="${DEBUG_BUILD_ARGS}" \
+CXXFLAGS="${DEBUG_BUILD_ARGS}" \
+cmake \
+  -G "Unix Makefiles" \
+  -DCMAKE_INSTALL_PREFIX=${PREFIX} \
+  -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
+  -DLLVM_TARGETS_TO_BUILD="X86" \
+  -DLLVM_INCLUDE_EXAMPLES=OFF \
+  -DLLVM_INCLUDE_TESTS=OFF \
+  ${LLVM_DIR}
+
+make -j${PROCS}
+popd
+
+echo "[x] Creating Makefiles"
+
+CC=clang-3.8 \
+CXX=clang++-3.8 \
+CFLAGS="-g3 -O0" \
+CXXFLAGS="-g3 -O0" \
+cmake \
+  -G "Unix Makefiles" \
+  -DCMAKE_INSTALL_PREFIX=${PREFIX} \
+  -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
+  -DLLVM_DIR="${BUILD_DIR}/llvm/share/llvm/cmake" \
+  -DMCSEMA_LLVM_DIR="${LLVM_DIR}" \
+  -DMCSEMA_DIR="${MCSEMA_DIR}" \
+  -DMCSEMA_BUILD_DIR="${BUILD_DIR}" \
+  -DMCSEMA_GEN_DIR="${GEN_DIR}" \
+  ${MCSEMA_DIR}
+
+make -j${PROCS}
+make install
+
+popd
+