Intro Because I had wanted to know how JavaScript worked, I tried to build and use V8. I used Ubuntu19.10 what installed on Mac mini. Because its Mac OS already hadn't been updated. Install and build V8 After installing Ubuntu, I installed git, vim, Python(ver.2.7.17) for building V8. sudo apt install git vim python Most of all software for building V8, I installed after a while by following the documents. But these had been needed at the begining of building. build V8 Most of all steps had been on the documents. But because I forgot some of them, So I got some errors :P 1. clone depot_tools and add installed path. depot_tools tutorial(7) 2. make a directory for installing v8 and move to there "mkdir ~/v8" & "cd ~/v8" 3. "fetch v8" Checking out the V8 source code - v8 4. update files "git pull --rebase origin" & "gclient sync" 5. install dependencies with "./build/install-build-deps.sh" Buildi...