Install dependencies
sudo yum install git wget bzip2 flex -y
sudo yum install libicu-devel readline-devel libtool-ltdl-devel -y
Compile
git clone https://github.com/Expensify/Bedrock.git
# Install gcc 6.4 first
wget https://github.com/gcc-mirror/gcc/archive/gcc-6_4_0-release.tar.gz
tar -zxvf gcc-6_4_0-release.tar.gz
cd gcc-gcc-6_4_0-release/
./contrib/download_prerequisites
cd ..
mkdir gcc-build
cd gcc-build
../gcc-gcc-6_4_0-release/configure --prefix=$HOME/gcc-gcc-6_4_0-release --enable-languages=c,c++ --disable-multilib
make -j
export CC=gcc-6
export CXX=g++-6