Compilation Issues with Bitcoin: A Comprehensive Guide

As a fan of cryptocurrency, it’s natural to want to build and deploy your own version of the popular Bitcoin blockchain. However, compiling Bitcoin can be a daunting task due to its complex dependencies and strict licensing requirements. In this article, we’ll delve into some common issues encountered when building Bitcoin using CMake and provide guidance on how to overcome them.

The Error: Leveldb not found

The error message you received indicates that the Leveldb library is missing from your build path. The Leveldb database is a core component of Bitcoin, providing a lightweight alternative to traditional databases for storing data.

To fix this issue, you’ll need to add the following directory to your CMAKE_CURRENT_SOURCE_DIR variable in the CMake configuration file (CMakeLists.txt) or use the --add_module option when compiling:

  • CMake Configuration File (CMakeLists.txt):

        cmake_minimum_required(VERSION 3.10)


        add_package(BitcoinLib)


            target_include_directories(${CMAKE_CURRENT_SOURCE_DIR})


                Leveledb::Leveledb

*
Using CMake:

CMAKE_BUILD_TYPE=Release


cmake .. -DBUILD_EXTENSION=Leveldb

  • Compilation Command:

cmake --build .

Common Compilation Issues and Solutions

  • No Leveledb Library Found:

    Ensure that the Leveldb library is installed on your system’s PATH environment variable.

  • CMake Error (Leveldb not found):

* Check if you have the Leveldb development package installed.

* Use CMake to build and link against Leveledb.

  • Missing Leveledb Library:

* Reinstall the Leveledb library by running apt-get install leveldb-dev (for Ubuntu-based systems) or brew install leveldb (if using Homebrew).

  • No Leveledb Library Found on Linux: Ensure that the Leveldb development package is installed for your Linux distribution.

Best Practices and Next Steps

  • When building Bitcoin, always use the latest version of CMake to ensure compatibility with the most recent dependencies.

  • For a successful build, make sure to provide the correct path to the Leveledb library when compiling.

  • Consider using a build system like Meson or Scons for more flexibility and control over your build process.

By following these troubleshooting steps and best practices, you should be able to successfully compile and deploy your own Bitcoin version. Happy building!

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