make llvm

llvm-build.sh

apt-get install -y libssl-dev python zlib1g make clang re2c lld

git clone https://github.com/llvm/llvm-project.git
git clone https://github.com/martine/ninja.git
git clone https://github.com/Kitware/CMake.git

cd ninja/ 
CXX=clang++ ./configure.py --bootstrap
cp ninja /usr/bin/
cd ..


cd CMake/
CC=clang CXX=clang++ ./bootstrap 
make -j6
make install
cd ..

cd llvm-project/
mkdir build && cd build

rm -rf /usr/bin/ld
ln -s /usr/bin/ld.lld /usr/bin/ld

CC=clang CXX=clang++ cmake -G Ninja ../llvm -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra" -DLLVM_BUILD_TESTS=ON
ninja