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metagn 7a37819eb9 fix generic param substitution in templates (#22535) 1 anno fa
.builds c495628255 refactor common code in CI pipelines (#18035) 3 anni fa
.github 000e6875bd fixes broken CI; bump macOS version to macos-11 (#20098) 2 anni fa
bin 73330711a3 make choosenim work on windows [backport] (#18993) 3 anni fa
build 51488766e7 empty.txt files: Trim trailing whitespace 9 anni fa
changelogs 1ac029c0f6 Fix #19052; [backport:1.6.0] (#19053) 3 anni fa
ci 5392dbc10e Bootstrap: Allow to override number of CPUs (#21823) 1 anno fa
compiler 7a37819eb9 fix generic param substitution in templates (#22535) 1 anno fa
config 58c7474838 static link pthread correctly (#21693) 1 anno fa
doc 4fc22cdd4d fixes #21245; warn about destructors that can raise (#21726) 1 anno fa
drnim b74b914e4f [backport] use old style hints in .cfg files (#18917) 3 anni fa
icons 77ba8cb8bb Added icons support for Visual Studio compiler 8 anni fa
lib 9cbd8695e7 remove unnecessary side-effects from base64.encode(mime) (#22986) 1 anno fa
nimdoc 08107c2192 [minor] give more friendly description (#18973) 3 anni fa
nimpretty c35cb17b13 fixes #20553; don't format code for stropping identifier (#20561) [backport] 2 anni fa
nimsuggest 2e87171e14 Register declaration of enum field has a use (#22990) 1 anno fa
testament a17c077f78 fixes chronicles (#22899) 1 anno fa
tests 7a37819eb9 fix generic param substitution in templates (#22535) 1 anno fa
tools ba5d873f63 Add Linux constant SO_BINDTODEVICE (#22468) 1 anno fa
.gitattributes a6ff6e7871 fix https://github.com/dom96/choosenim/issues/256 WSL CRLF (#18452) 3 anni fa
.gitignore dce0b3b002 refactor all code that builds csources (#17815) 3 anni fa
.gitlab-ci.yml 4274e6e4d7 upgrade ubuntu 16.04 (not supported starting dec 2021) => 18.04; revive Linux_i386 (#18107) 3 anni fa
azure-pipelines.yml 9a83cae9dc CI upgrade to Ubuntu 20.04, see #20182 1 anno fa
build_all.bat 5ea0e5608d Build compiler with --noNimblePath (#20168) 2 anni fa
build_all.sh 5ea0e5608d Build compiler with --noNimblePath (#20168) 2 anni fa
changelog.md b92336ab33 fixes #20149; fixes #16762; hintAsError and warningAsError now ignore foreign packages (#20151) 1 anno fa
copying.txt 213a9f9f34 fixes #20906; update copyright year [backport 1.6] (#21210) 1 anno fa
koch.nim 01ce56ab9e adds `koch --skipIntegrityCheck boot` support (#21795) 1 anno fa
koch.nim.cfg b8ec07f19e properly fixes #13758 so that `import std/macros` stays legal (#14291) 4 anni fa
nim.nimble f111afc319 Avoid calling build_all* when nim binary is present (#21522) 1 anno fa
readme.md 213a9f9f34 fixes #20906; update copyright year [backport 1.6] (#21210) 1 anno fa
security.md 30959e24bd Update security policy (#17522) 3 anni fa

readme.md

Nim

Build Status

This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. For more information about Nim, including downloads and documentation for the latest release, check out Nim's website or bleeding edge docs.

Community

Join the IRC chat Join the Discord server Join the Gitter chat Get help View Nim posts on Stack Overflow

  • The forum - the best place to ask questions and to discuss Nim.
  • #nim IRC Channel (Libera Chat) - a place to discuss Nim in real-time. Also where most development decisions get made.
  • Discord - an additional place to discuss Nim in real-time. Most channels there are bridged to IRC.
  • Gitter - an additional place to discuss Nim in real-time. There is a bridge between Gitter and the IRC channel.
  • Telegram - an additional place to discuss Nim in real-time. There is the official Telegram channel. Not bridged to IRC.
  • Stack Overflow - a popular Q/A site for programming related topics that includes posts about Nim.
  • Github Wiki - Misc user-contributed content.

Compiling

The compiler currently officially supports the following platform and architecture combinations:

  • Windows (Windows XP or greater) - x86 and x86_64
  • Linux (most, if not all, distributions) - x86, x86_64, ppc64 and armv6l
  • Mac OS X (10.04 or greater) - x86, x86_64, ppc64 and Apple Silicon (based on the ARM64 architecture)

More platforms are supported, however, they are not tested regularly and they may not be as stable as the above-listed platforms.

Compiling the Nim compiler is quite straightforward if you follow these steps:

First, the C source of an older version of the Nim compiler is needed to bootstrap the latest version because the Nim compiler itself is written in the Nim programming language. Those C sources are available within the nim-lang/csources_v1 repository.

Next, to build from source you will need:

  • A C compiler such as gcc 3.x/later or an alternative such as clang, Visual C++ or Intel C++. It is recommended to use gcc 3.x or later.
  • Either git or wget to download the needed source repositories.
  • The build-essential package when using gcc on Ubuntu (and likely other distros as well).
  • On Windows MinGW 4.3.0 (GCC 8.10) is the minimum recommended compiler.
  • Nim hosts a known working MinGW distribution:

Windows Note: Cygwin and similar POSIX runtime environments are not supported.

Then, if you are on a *nix system or Windows, the following steps should compile Nim from source using gcc, git, and the koch build tool.

Note: The following commands are for the development version of the compiler. For most users, installing the latest stable version is enough. Check out the installation instructions on the website to do so: https://nim-lang.org/install.html.

For package maintainers: see packaging guidelines.

First, get Nim from github:

git clone https://github.com/nim-lang/Nim.git
cd Nim

Next, run the appropriate build shell script for your platform:

  • build_all.sh (Linux, Mac)
  • build_all.bat (Windows)

Finally, once you have finished the build steps (on Windows, Mac, or Linux) you should add the bin directory to your PATH.

See also rebuilding the compiler.

See also reproducible builds.

Koch

koch is the build tool used to build various parts of Nim and to generate documentation and the website, among other things. The koch tool can also be used to run the Nim test suite.

Assuming that you added Nim's bin directory to your PATH, you may execute the tests using ./koch tests. The tests take a while to run, but you can run a subset of tests by specifying a category (for example ./koch tests cat async).

For more information on the koch build tool please see the documentation within the doc/koch.rst file.

Nimble

nimble is Nim's package manager. To learn more about it, see the nim-lang/nimble repository.

Contributors

This project exists thanks to all the people who contribute.

Contributing

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See detailed contributing guidelines. We welcome all contributions to Nim regardless of how small or large they are. Everything from spelling fixes to new modules to be included in the standard library are welcomed and appreciated. Before you start contributing, you should familiarize yourself with the following repository structure:

  • bin/, build/ - these directories are empty, but are used when Nim is built.
  • compiler/ - the compiler source code. Also includes nimfix, and plugins within compiler/nimfix and compiler/plugins respectively.
  • nimsuggest - the nimsuggest tool that previously lived in the nim-lang/nimsuggest repository.
  • config/ - the configuration for the compiler and documentation generator.
  • doc/ - the documentation files in reStructuredText format.
  • lib/ - the standard library, including:
    • pure/ - modules in the standard library written in pure Nim.
    • impure/ - modules in the standard library written in pure Nim with dependencies written in other languages.
    • wrappers/ - modules that wrap dependencies written in other languages.
  • tests/ - contains categorized tests for the compiler and standard library.
  • tools/ - the tools including niminst and nimweb (mostly invoked via koch).
  • koch.nim - the tool used to bootstrap Nim, generate C sources, build the website, and generate the documentation.

If you are not familiar with making a pull request using GitHub and/or git, please read this guide.

Ideally, you should make sure that all tests pass before submitting a pull request. However, if you are short on time, you can just run the tests specific to your changes by only running the corresponding categories of tests. Travis CI verifies that all tests pass before allowing the pull request to be accepted, so only running specific tests should be harmless. Integration tests should go in tests/untestable.

If you're looking for ways to contribute, please look at our issue tracker. There are always plenty of issues labeled Easy; these should be a good starting point for an initial contribution to Nim.

You can also help with the development of Nim by making donations. Donations can be made using:

If you have any questions feel free to submit a question on the Nim forum, or via IRC on the #nim channel.

Backers

Thank you to all our backers! [Become a backer]

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]

You can also see a list of all our sponsors/backers from various payment services on the sponsors page of our website.

License

The compiler and the standard library are licensed under the MIT license, except for some modules which explicitly state otherwise. As a result, you may use any compatible license (essentially any license) for your own programs developed with Nim. You are explicitly permitted to develop commercial applications using Nim.

Please read the copying.txt file for more details.

Copyright © 2006-2023 Andreas Rumpf, all rights reserved.