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Bazel

252
502
+ 1
133
Conan

72
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+ 1
9
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Bazel vs Conan: What are the differences?

Bazel: Correct, reproducible, fast builds for everyone. Bazel is a build tool that builds code quickly and reliably. It is used to build the majority of Google's software, and thus it has been designed to handle build problems present in Google's development environment; Conan: C/C++ package manager. Install or build your own packages for any platform. Conan also allows you to run your own server easily from the command line.

Bazel belongs to "Java Build Tools" category of the tech stack, while Conan can be primarily classified under "Hosted Package Repository".

Some of the features offered by Bazel are:

  • Multi-language support: Bazel supports Java, Objective-C and C++ out of the box, and can be extended to support arbitrary programming languages.
  • High-level build language: Projects are described in the BUILD language, a concise text format that describes a project as sets of small interconnected libraries, binaries and tests. By contrast, with tools like Make you have to describe individual files and compiler invocations.
  • Multi-platform support: The same tool and the same BUILD files can be used to build software for different architectures, and even different platforms. At Google, we use Bazel to build both server applications running on systems in our data centers and client apps running on mobile phones.

On the other hand, Conan provides the following key features:

  • Dependencies and package management for developers
  • De-centralized
  • Source code and binaries

Bazel and Conan are both open source tools. It seems that Bazel with 12.4K GitHub stars and 2.02K forks on GitHub has more adoption than Conan with 2.94K GitHub stars and 383 GitHub forks.

According to the StackShare community, Bazel has a broader approval, being mentioned in 11 company stacks & 7 developers stacks; compared to Conan, which is listed in 3 company stacks and 3 developer stacks.

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Pros of Bazel
Pros of Conan
  • 28
    Fast
  • 20
    Deterministic incremental builds
  • 17
    Correct
  • 16
    Multi-language
  • 14
    Enforces declared inputs/outputs
  • 10
    High-level build language
  • 9
    Scalable
  • 5
    Multi-platform support
  • 5
    Sandboxing
  • 4
    Dependency management
  • 2
    Windows Support
  • 2
    Flexible
  • 1
    Android Studio integration
  • 3
    Crossplatform builds
  • 3
    Easy to maintain used dependencies
  • 2
    Build recipes can be very flexble
  • 1
    Integrations with cmake, qmake and other build systems

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Cons of Bazel
Cons of Conan
  • 3
    No Windows Support
  • 2
    Bad IntelliJ support
  • 1
    Poor windows support for some languages
  • 1
    Constant breaking changes
  • 1
    Learning Curve
  • 1
    Lack of Documentation
  • 1
    3rd party recipes can be flawed

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What is Bazel?

Bazel is a build tool that builds code quickly and reliably. It is used to build the majority of Google's software, and thus it has been designed to handle build problems present in Google's development environment.

What is Conan?

Install or build your own packages for any platform. Conan also allows you to run your own server easily from the command line.

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What companies use Bazel?
What companies use Conan?
See which teams inside your own company are using Bazel or Conan.
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What tools integrate with Bazel?
What tools integrate with Conan?

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Blog Posts

Mar 24 2021 at 12:57PM

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What are some alternatives to Bazel and Conan?
Pants
Pants is a build system for Java, Scala and Python. It works particularly well for a source code repository that contains many distinct projects.
Webpack
A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
Ansible
Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates. Ansible’s goals are foremost those of simplicity and maximum ease of use.
Buck
Buck encourages the creation of small, reusable modules consisting of code and resources, and supports a variety of languages on many platforms.
CMake
It is used to control the software compilation process using simple platform and compiler independent configuration files, and generate native makefiles and workspaces that can be used in the compiler environment of the user's choice.
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