Ethereum: When building bitcoind, I receive error “headers.h:36:20: fatal error: db_cxx.h: No such file or directory”

CRYPTOCURRENCY February 8, 2025 0

Ethereum Development on Linux based on Debian: overcoming errors with db_cxx.h '

As a developer who works on Ethereum projects, building and maintaining the blockchain can be a demanding task. A common problem encountered by many developers is to find errors relating to missing header files, in particulardb_cxx.h. In this article, we will deepen the causes of these errors and provide a guide on how to overcome them when building Ethereum on Linux based in Debian.



 Why do I receive the error "No file or directory"?

The error message "Headers.h: 36: 20: fatal error: db_cxx.h: no files or directories of this type" indicates that the compiler is not able to find the heading filedb_cxx.h. This file is part of the Ethereum C ++ bookstores, which are used by the Ethereum development team. To solve this problem, it is necessary to make sure that the necessary addictions are installed on the system.



 Installation of requested packages 

To build and perform Ethereum on Linux based in Debian, you will have to install several packages:

Libdb4(a postgresql database library)



2

3

You can install these packages using your Packet Manager:

Bash

SUDO APT-GET INSTALL LIBDB4-DEV DBCPP



 Overcoming errors with missing heading files 


To resolve the error, it is necessary to make sure that the necessary addictions are installed and configured correctly. Here is a step-by-step guide:

ReinstallaLibdb4: If you have more versions of the Libdb4 installed, try to reinstall it using:

`Bash

SUDO APT-GET Remove Libdb4-*

Installdbcppmanually : Download and fill in the DBCPP 'package from the official website: < Follow the installation instructions to installdbcpp.




 Update the compiler settings : Make sure the compiler is configured correctly to use the C ++ Wrapper for the PostGresql database. You can do it by adding the following flags to the compiler command:

Bash

-STD = C ++ 11 -Wall -Westra -G -I/USR/Includes/PostGresql/10 -L/USR/Lib/PostGresql/10 -LDBC

Replace/USR/Includes/PostGresql/10is/USR/lib/postgresql/10 with the actual paths on the system.

Reconstruct Ethereum : After updating the compiler settings, reconstruct Ethereum using:

`Bash

clean and do



This should solve any problems relating to missing header files.

Troubleshooting

If you find difficulty during the reconstruction of Ethereum or running, make sure that:


Your system is updated with the latest packages.

The dependenciesLibdb4 è DBCPPare installed correctly.




You updated the compiler settings based on the instructions above.

You reconstructedEthereum` Using the correct commands.

Following these steps, you should be able to solve the "Headers.h: 36: 20: Fatal error: DB_CXX.H: No error of these files or directories" and successfully build Ethereum on your Linux system based on Debian.

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