Building Bitcoin Core From Source on Linux — A Field Guide to What Actually Goes Wrong (opens in new tab)

Bitcoin Core's own documentation recommends building from source if you want the latest code, full control over feature flags, and a real understanding of what's actually running on your machine. That's a fair trade — but the build system makes almost every non-trivial feature an opt-in flag rather than a default, which means it's easy to produce a binary that compiles cleanly and runs fine while silently missing something you'll need three steps later. This is a guide to the failure categori...