AirSim setup.sh and build.sh modified for Mac

build.sh

#! /bin/bash

# get path of current script: https://stackoverflow.com/a/39340259/207661
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
pushd "$SCRIPT_DIR"  >/dev/null

set -e
# set -x

#check for correct verion of llvm
#if [[ ! -d "llvm-source-50" ]]; then
#    if [[ -d "llvm-source-39" ]]; then
#        echo "Hello there! We just upgraded AirSim to Unreal Engine 4.18."
#        echo "Here are few easy steps for upgrade so everything is new and shiny :)"
#        echo "https://github.com/Microsoft/AirSim/blob/master/docs/unreal_upgrade.md"
#        exit 1
#    else
#        echo "The llvm-souce-50 folder was not found! Mystery indeed."
#    fi
#fi

# check for libc++
#if [[ !(-d "./llvm-build/output/lib") ]]; then
#    echo "ERROR: clang++ and libc++ is necessary to compile AirSim and run it in Unreal engine"
#    echo "Please run setup.sh first."
#    exit 1
#fi

# check for rpclib
if [ ! -d "./external/rpclib/rpclib-2.2.1" ]; then
    echo "ERROR: new version of AirSim requires newer rpclib."
    echo "please run setup.sh first and then run build.sh again."
    exit 1
fi

# check for cmake build
if [ ! -d "./cmake_build" ]; then
    echo "ERROR: cmake build was not found."
    echo "please run setup.sh first and then run build.sh again."
    exit 1
fi


# set up paths of cc and cxx compiler
if [ "$1" == "gcc" ]; then
    export CC="gcc"
    export CXX="g++"
else
    if [ "$(uname)" == "Darwin" ]; then
        CMAKE="$(greadlink -f cmake_build/bin/cmake)"

        export CC=gcc
        export CXX=g++

    else
        CMAKE="$(readlink -f cmake_build/bin/cmake)"

        export CC="clang-5.0"
        export CXX="clang++-5.0"
    fi
fi

#install EIGEN library
if [[ !(-d "./AirLib/deps/eigen3/Eigen") ]]; then 
    echo "eigen is not installed. Please run setup.sh first."
    exit 1
fi


# variable for build output
build_dir=build_debug
echo "putting build in build_debug folder, to clean, just delete the directory..."

# this ensures the cmake files will be built in our $build_dir instead.
if [[ -f "./cmake/CMakeCache.txt" ]]; then
    rm "./cmake/CMakeCache.txt"
fi
if [[ -d "./cmake/CMakeFiles" ]]; then
    rm -rf "./cmake/CMakeFiles"
fi

if [[ ! -d $build_dir ]]; then
    mkdir -p $build_dir
    pushd $build_dir  >/dev/null

    "$CMAKE" ../cmake -DCMAKE_BUILD_TYPE=Debug \
        || (popd && rm -r $build_dir && exit 1)
    popd >/dev/null
fi

pushd $build_dir  >/dev/null
# final linking of the binaries can fail due to a missing libc++abi library
# (happens on Fedora, see https://bugzilla.redhat.com/show_bug.cgi?id=1332306).
# So we only build the libraries here for now
make -j`nproc`
popd >/dev/null


mkdir -p AirLib/lib/x64/Debug
mkdir -p AirLib/deps/rpclib/lib
mkdir -p AirLib/deps/MavLinkCom/lib
cp $build_dir/output/lib/libAirLib.a AirLib/lib
cp $build_dir/output/lib/libMavLinkCom.a AirLib/deps/MavLinkCom/lib
cp $build_dir/output/lib/librpc.a AirLib/deps/rpclib/lib/librpc.a

# Update AirLib/lib, AirLib/deps, Plugins folders with new binaries
rsync -a --delete $build_dir/output/lib/ AirLib/lib/x64/Debug
rsync -a --delete external/rpclib/rpclib-2.2.1/include AirLib/deps/rpclib
rsync -a --delete MavLinkCom/include AirLib/deps/MavLinkCom
rsync -a --delete AirLib Unreal/Plugins/AirSim/Source

# Update Blocks project
Unreal/Environments/Blocks/clean.sh
mkdir -p Unreal/Environments/Blocks/Plugins
rsync -a --delete Unreal/Plugins/AirSim Unreal/Environments/Blocks/Plugins

set +x

echo ""
echo ""
echo "=================================================================="
echo " AirSim plugin is built! Here's how to build Unreal project."
echo "=================================================================="
echo "If you are using Blocks environment, its already updated."
echo "If you are using your own environment, update plugin using,"
echo "rsync -a --delete Unreal/Plugins path/to/MyUnrealProject"
echo ""
echo "For help see:"
echo "https://github.com/Microsoft/AirSim/blob/master/docs/build_linux.md"
echo "=================================================================="


popd >/dev/null

setup.sh

#! /bin/bash

if [[ -d "llvm-source-39" ]]; then
    echo "Hello there! We just upgraded AirSim to Unreal Engine 4.18."
    echo "Here are few easy steps for upgrade so everything is new and shiny :)"
    echo "https://github.com/Microsoft/AirSim/blob/master/docs/unreal_upgrade.md"
    exit 1
fi

set -x
set -e

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
pushd "$SCRIPT_DIR" >/dev/null

#Parse command line arguments
downloadHighPolySuv=true
if [[ $1 == "--no-full-poly-car" ]]; then
    downloadHighPolySuv=false
fi

#give user perms to access USB port - this is not needed if not using PX4 HIL
#TODO: figure out how to do below in travis
if [ "$(uname)" == "Darwin" ]; then # osx
    if [[ ! -z "${whoami}" ]]; then #this happens when running in travis
        sudo dseditgroup -o edit -a `whoami` -t user dialout
    fi

    #below takes way too long
    # brew install [email protected]
    #brew tap llvm-hs/homebrew-llvm
    #brew install llvm-5.0

    #brew install wget
    #brew install coreutils

    export C_COMPILER=gcc
    export COMPILER=g++
else #linux
    if [[ ! -z "${whoami}" ]]; then #this happens when running in travis
        sudo /usr/sbin/useradd -G dialout $USER
        sudo usermod -a -G dialout $USER
    fi

    #install clang and build tools
    sudo apt-get install -y build-essential
    VERSION=$(lsb_release -rs | cut -d. -f1)
    # Since Ubuntu 17 clang-5.0 is part of the core repository
    # See https://packages.ubuntu.com/search?keywords=clang-5.0
    if [ "$VERSION" -lt "17" ]; then
        wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -
        sudo apt-get update
    fi
    sudo apt-get install -y clang-5.0 clang++-5.0
    sudo apt-get install -y unzip

    export C_COMPILER=gcc
    export COMPILER=g++
fi

#download cmake - we need v3.9+ which is not out of box in Ubuntu 16.04
if [[ ! -d "cmake_build/bin" ]]; then
    echo "Downloading cmake..."
    wget https://cmake.org/files/v3.10/cmake-3.10.2.tar.gz \
        -O cmake.tar.gz
    tar -xzf cmake.tar.gz
    rm cmake.tar.gz
    rm -rf ./cmake_build
    mv ./cmake-3.10.2 ./cmake_build
    pushd cmake_build
    ./bootstrap
    make
    popd
fi

if [ "$(uname)" == "Darwin" ]; then
    CMAKE="$(greadlink -f cmake_build/bin/cmake)"
else
    CMAKE="$(readlink -f cmake_build/bin/cmake)"
fi

# Download rpclib
if [ ! -d "external/rpclib/rpclib-2.2.1" ]; then
    echo "*********************************************************************************************"
    echo "Downloading rpclib..."
    echo "*********************************************************************************************"

    wget  https://github.com/rpclib/rpclib/archive/v2.2.1.zip

    # remove previous versions
    rm -rf "external/rpclib"

    mkdir -p "external/rpclib"
    unzip v2.2.1.zip -d external/rpclib
    rm v2.2.1.zip
fi

# Download high-polycount SUV model
if [ ! -d "Unreal/Plugins/AirSim/Content/VehicleAdv" ]; then
    mkdir -p "Unreal/Plugins/AirSim/Content/VehicleAdv"
fi
if [ ! -d "Unreal/Plugins/AirSim/Content/VehicleAdv/SUV/v1.2.0" ]; then
    if $downloadHighPolySuv; then
        echo "*********************************************************************************************"
        echo "Downloading high-poly car assets.... The download is ~37MB and can take some time."
        echo "To install without this assets, re-run setup.sh with the argument --no-full-poly-car"
        echo "*********************************************************************************************"
        
        if [ -d "suv_download_tmp" ]; then
            rm -rf "suv_download_tmp"
        fi
        mkdir -p "suv_download_tmp"
        cd suv_download_tmp
        wget  https://github.com/Microsoft/AirSim/releases/download/v1.2.0/car_assets.zip
        if [ -d "../Unreal/Plugins/AirSim/Content/VehicleAdv/SUV" ]; then
            rm -rf "../Unreal/Plugins/AirSim/Content/VehicleAdv/SUV"
        fi        
        unzip car_assets.zip -d ../Unreal/Plugins/AirSim/Content/VehicleAdv
        cd ..
        rm -rf "suv_download_tmp" 
    else
        echo "Not downloading high-poly car asset. The default unreal vehicle will be used."
    fi
fi

# Below is alternative way to get cland by downloading binaries
# get clang, libc++
# sudo rm -rf llvm-build
# mkdir -p llvm-build/output
# wget "http://releases.llvm.org/4.0.1/clang+llvm-4.0.1-x86_64-linux-gnu-debian8.tar.xz"
# tar -xf "clang+llvm-4.0.1-x86_64-linux-gnu-debian8.tar.xz" -C llvm-build/output

# #other packages - not need for now
# #sudo apt-get install -y clang-3.9-doc libclang-common-3.9-dev libclang-3.9-dev libclang1-3.9 libclang1-3.9-dbg libllvm-3.9-ocaml-dev libllvm3.9 libllvm3.9-dbg lldb-3.9 llvm-3.9 llvm-3.9-dev llvm-3.9-doc llvm-3.9-examples llvm-3.9-runtime clang-format-3.9 python-clang-3.9 libfuzzer-3.9-dev

#get libc++ source
if [[ ! -d "llvm-source" ]]; then 
    git clone --depth=1 -b release_80  https://github.com/llvm-mirror/llvm.git llvm-source
    git clone --depth=1 -b release_80  https://github.com/llvm-mirror/libcxx.git llvm-source/projects/libcxx
    git clone --depth=1 -b release_80  https://github.com/llvm-mirror/libcxxabi.git llvm-source/projects/libcxxabi
else
    echo "folder llvm-source already exists, skipping git clone..."
fi

#build libc++
rm -rf llvm-build
mkdir -p llvm-build
pushd llvm-build >/dev/null


"$CMAKE" -DCMAKE_C_COMPILER=${C_COMPILER} -DCMAKE_CXX_COMPILER=${COMPILER} \
      -LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF -DLIBCXX_INSTALL_EXPERIMENTAL_LIBRARY=OFF \
      -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=./output \
            ../llvm-source

make cxx

#install libc++ locally in output folder
make install-libcxx install-libcxxabi

popd >/dev/null

#install EIGEN library

rm -rf ./AirLib/deps/eigen3/Eigen
echo "downloading eigen..."
wget http://bitbucket.org/eigen/eigen/get/3.3.2.zip
unzip 3.3.2.zip -d temp_eigen
mkdir -p AirLib/deps/eigen3
mv temp_eigen/eigen*/Eigen AirLib/deps/eigen3
rm -rf temp_eigen
rm 3.3.2.zip

popd >/dev/null

set +x
echo ""
echo "************************************"
echo "AirSim setup completed successfully!"
echo "************************************"

unity-build.sh

if [ ! -f ../external/rpclib/rpclib-2.2.1/rpclib.pc.in ]; then
    >&2 echo "error, rpc.pc.in not found"
fi
cp ../external/rpclib/rpclib-2.2.1/rpclib.pc.in AirLibWrapper/AirsimWrapper/rpclib.pc.in

if [ ! -d "linux-build" ]; then
    mkdir linux-build;
fi


cd linux-build;
export CC="gcc"
export CXX="g++"

if [ "$(uname)" == "Darwin" ]; then
    CMAKE="$(greadlink -f ../../cmake_build/bin/cmake)"
else
    CMAKE="$(readlink -f ../../cmake_build/bin/cmake)"
fi

"$CMAKE" ../../cmake ../AirLibWrapper/AirsimWrapper;
make -j`nproc`;
if [ ! -d "../UnityDemo/Assets/Plugins" ]; then
	mkdir ../ UnityDemo/Assets/Plugins;
fi

if [ "$(uname)" == "Darwin" ]; then
	cp AirsimWrapper.bundle ../UnityDemo/Assets/Plugins;
else
	cp libAirsimWrapper.so ../UnityDemo/Assets/Plugins;
fi

cd ..
if [ -f AirLibWrapper/AirsimWrapper/rpclib.pc.in ]; then
	rm AirLibWrapper/AirsimWrapper/rpclib.pc.in
fi