Solana: cargo build -j 2 command gives error

Here’s an article on how to build a Solana project using cargo build with the j command:

Building a Solana Project with Cargo Build and j Command

Solana is a fast and scalable blockchain platform built on Rust. To create a new Solana project, you can use Cargo, Rust’s package manager. Here’s how to build a Solana project using cargo build with the j command:

Step 1: Install the Required Tools

Before building a Solana project, ensure that you have the following tools installed:

Rust (version 1.83.0 or later)

Cargo (version 1.33.0 or later)

Solana CLI (version 2.0.18 or later)

You can install these tools using the following commands:

rustup init --default-nightly cargo install --path . solana-cli anchor

Step 2: Create a New Solana Project

Create a new directory for your project and navigate into it in the terminal:

mkdir my_solana_project cd my_solana_project

Step 3: Add Dependencies to Cargo.toml

Add the following dependencies to your Cargo.toml file:


[dependencies]

solana-cli = { version = "2.0.18", features = ["client"] }

anchor = "1.6.8"

This will ensure that Solana CLI and Anchor are included in your project.

Step 4: Build the Project

Use cargo build with the j command to build your project:

cargo build --j-args -P debug --release

The -P flag specifies that you want to enable precompilation, which will improve performance. The --debug flag enables debugging mode, and the --release flag builds the release version of your project.

Step 5: Verify the Build

Verify that your project has been built successfully:

cargo build --j-args -P debug --release

If everything is set up correctly, you should see output similar to this:


Building libsolana cli 2.0.18 (src:f77014dc; feat:607245837, client:Agave)

  Compiling libsolana_cli v2.0.18 (src:f77014dc; feat:607245837, client:Agave)

  Compiling anchor_client v1.6.8 (src:77d9a3dd; feat:607245837, client:Agave)

Tips and Variations

To build a release version of your project with debugging symbols, use the following command:

cargo build --j-args -P debug --release --feature=debug-symbols

To build a specific target or architecture, add the --target flag followed by the desired target (e.g., --target web3) and architecture (e.g., web3):

cargo build --j-args -P debug --release --target web3 --feature=debug-symbols

To include additional dependencies, add them to the Cargo.toml file with the same dependencies as before.

To customize your build process, you can use Cargo’s command-line options and environment variables. Consult the [Cargo documentation]( for more information.

By following these steps, you should be able to create and build a Solana project using cargo build with the j command. Happy building!

Solana: cargo build -j 2 command gives error

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