The commit prior to this one, "gcc: fix c++ headers when same triplet cross compiling" causes gcc's c++ headers to be in the same outpath subdirectory regardless of whether the gcc build is a host==target or host!=target compiler. As a result of that change, the hack in cc-wrapper which adapted to the different paths is no longer needed. And, in fact, it must be removed, since if it is left in place builds such as pkgsCross.aarch64-multiplatform.firefox will fail as shown below. ``` firefox-unwrapped> 0:02.01(B checking the host C compiler works... yes(B(B firefox-unwrapped> 0:02.01(B checking for the host C++ compiler... /nix/store/1asqji9djmdlapzs70q7jw2j308ry7cn-clang-wrapper-16.0.6/bin/c++(B(B firefox-unwrapped> 0:02.14(B checking whether the host C++ compiler can be used... yes(B(B firefox-unwrapped> 0:02.14(B checking the host C++ compiler version... 16.0.6(B(B firefox-unwrapped> 0:02.21(B checking the host C++ compiler works... yes(B(B firefox-unwrapped> 0:02.40(B checking for target linker... lld(B(B firefox-unwrapped> 0:02.51(B checking for host linker... lld(B(B firefox-unwrapped> 0:02.60(B checking for 64-bit OS... yes(B(B firefox-unwrapped> 0:02.67(B checking for new enough STL headers from libstdc++...(B(B firefox-unwrapped> 0:02.67(B DEBUG: <truncated - see config.log for full output>(B(B firefox-unwrapped> 0:02.67(B DEBUG: | #if defined(__GLIBCXX__) && !defined(_GLIBCXX_RELEASE)(B(B firefox-unwrapped> 0:02.67(B DEBUG: | # error libstdc++ not new enough(B(B firefox-unwrapped> 0:02.67(B DEBUG: | #endif(B(B firefox-unwrapped> 0:02.67(B DEBUG: | #if defined(_GLIBCXX_RELEASE)(B(B firefox-unwrapped> 0:02.67(B DEBUG: | # if _GLIBCXX_RELEASE < 8(B(B firefox-unwrapped> 0:02.67(B DEBUG: | # error libstdc++ not new enough(B(B firefox-unwrapped> 0:02.67(B DEBUG: | # else(B(B firefox-unwrapped> 0:02.67(B DEBUG: | (void) 0(B(B firefox-unwrapped> 0:02.67(B DEBUG: | # endif(B(B firefox-unwrapped> 0:02.67(B DEBUG: | #endif(B(B firefox-unwrapped> 0:02.67(B DEBUG: | ;(B(B firefox-unwrapped> 0:02.67(B DEBUG: | return 0;(B(B firefox-unwrapped> 0:02.67(B DEBUG: | }(B(B firefox-unwrapped> 0:02.67(B DEBUG: Executing: `/nix/store/7v4bi4q334yircaznwm353h1l5i7k98f-aarch64-unknown-linux-gnu-clang-wrapper-16.0.6/bin/aarch64-unknown-linux-gnu-clang++ /build/conftest.qvbo58dv.cpp -c`(B(B firefox-unwrapped> 0:02.67(B DEBUG: The command returned non-zero exit status 1.(B(B firefox-unwrapped> 0:02.67(B DEBUG: Its error output was:(B(B firefox-unwrapped> 0:02.67(B DEBUG: | /build/conftest.qvbo58dv.cpp:1:10: fatal error: 'cstddef' file not found(B(B firefox-unwrapped> 0:02.67(B DEBUG: | #include <cstddef>(B(B firefox-unwrapped> 0:02.67(B DEBUG: | ^~~~~~~~~(B(B firefox-unwrapped> 0:02.67(B DEBUG: | 1 error generated.(B(B firefox-unwrapped> 0:02.67(B ERROR: The libstdc++ in use is not new enough. Please run ./mach bootstrap to update your compiler, or update your system libstdc++ installation.(B(B firefox-unwrapped> *** Fix above errors and then restart with "./mach build" error: build of '/nix/store/5in7xkji5hzqkl14ygwq3vxnni54lykk-firefox-unwrapped-aarch64-unknown-linux-gnu-119.0.1.drv' on 'ssh://root@192.168.22.103' failed: builder for '/nix/store/5in7xkji5hzqkl14ygwq3vxnni54lykk-firefox-unwrapped-aarch64-unknown-linux-gnu-119.0.1.drv' failed with exit code 1 error: builder for '/nix/store/5in7xkji5hzqkl14ygwq3vxnni54lykk-firefox-unwrapped-aarch64-unknown-linux-gnu-119.0.1.drv' failed with exit code 1; ```
Nixpkgs is a collection of over 80,000 software packages that can be installed with the Nix package manager. It also implements NixOS, a purely-functional Linux distribution.
Manuals
- NixOS Manual - how to install, configure, and maintain a purely-functional Linux distribution
- Nixpkgs Manual - contributing to Nixpkgs and using programming-language-specific Nix expressions
- Nix Package Manager Manual - how to write Nix expressions (programs), and how to use Nix command line tools
Community
- Discourse Forum
- Matrix Chat
- NixOS Weekly
- Community-maintained wiki
- Community-maintained list of ways to get in touch (Discord, Telegram, IRC, etc.)
Other Project Repositories
The sources of all official Nix-related projects are in the NixOS organization on GitHub. Here are some of the main ones:
- Nix - the purely functional package manager
- NixOps - the tool to remotely deploy NixOS machines
- nixos-hardware - NixOS profiles to optimize settings for different hardware
- Nix RFCs - the formal process for making substantial changes to the community
- NixOS homepage - the NixOS.org website
- hydra - our continuous integration system
- NixOS Artwork - NixOS artwork
Continuous Integration and Distribution
Nixpkgs and NixOS are built and tested by our continuous integration system, Hydra.
- Continuous package builds for unstable/master
- Continuous package builds for the NixOS 23.11 release
- Tests for unstable/master
- Tests for the NixOS 23.11 release
Artifacts successfully built with Hydra are published to cache at https://cache.nixos.org/. When successful build and test criteria are met, the Nixpkgs expressions are distributed via Nix channels.
Contributing
Nixpkgs is among the most active projects on GitHub. While thousands of open issues and pull requests might seem a lot at first, it helps consider it in the context of the scope of the project. Nixpkgs describes how to build tens of thousands of pieces of software and implements a Linux distribution. The GitHub Insights page gives a sense of the project activity.
Community contributions are always welcome through GitHub Issues and Pull Requests.
For more information about contributing to the project, please visit the contributing page.
Donations
The infrastructure for NixOS and related projects is maintained by a nonprofit organization, the NixOS Foundation. To ensure the continuity and expansion of the NixOS infrastructure, we are looking for donations to our organization.
You can donate to the NixOS foundation through SEPA bank transfers or by using Open Collective:
License
Nixpkgs is licensed under the MIT License.
Note: MIT license does not apply to the packages built by Nixpkgs, merely to the files in this repository (the Nix expressions, build scripts, NixOS modules, etc.). It also might not apply to patches included in Nixpkgs, which may be derivative works of the packages to which they apply. The aforementioned artifacts are all covered by the licenses of the respective packages.