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nixpkgs/pkgs/stdenv/darwin
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Randy Eckenrode 07451425e7
darwin.stdenv: drop curl from the bootstrap 
The Darwin bootstrap currently requires curl, but it is not strictly
required. The bootstrap requires it for two things:

* Fetchers; and
* As a transitive dependency of llvm-manpages (via Sphinx).

For the fetchers, the bootstrap curl can be used. For hatch-vcs, the
dependency, its tests can be disabled. Doing this allows curl to be
dropped from the Darwin stdenv bootstrap.
2024-03-17 16:48:35 -04:00
..
bootstrap-files pkgs/stdenv/darwin: move bootstrap files definitions to bootstrap-files/ directory 2024-01-28 22:41:09 +00:00
default.nix darwin.stdenv: drop curl from the bootstrap 2024-03-17 16:48:35 -04:00
make-bootstrap-tools.nix llvmPackages_{12,13,14,15,16,17,git}.{libcxx,libcxxabi}: merge libcxxabi into libcxx (#292043) 2024-03-11 03:53:37 -07:00
patch-bootstrap-tools-next.sh
portable-libsystem.sh
README.md
unpack-bootstrap-tools-aarch64.sh llvmPackages_{12,13,14,15,16,17,git}.{libcxx,libcxxabi}: merge libcxxabi into libcxx (#292043) 2024-03-11 03:53:37 -07:00
unpack-bootstrap-tools.sh

README.md

Darwin stdenv design goals

There are two more goals worth calling out explicitly:

  1. The standard environment should build successfully with sandboxing enabled on Darwin. It is fine if a package requires a sandboxProfile to build, but it should not be necessary to disable the sandbox to build the stdenv successfully; and
  2. The output should depend weakly on the bootstrap tools. Historically, Darwin required updating the bootstrap tools prior to updating the version of LLVM used in the standard environment. By not depending on a specific version, the LLVM used on Darwin can be updated simply by bumping the definition of llvmPackages in all-packages.nix.

Updating the stdenv

There are effectively two steps when updating the standard environment:

  1. Update the definition of llvmPackages in all-packages.nix for Darwin to match the value of llvmPackages.latest in all-packages.nix. Timing-wise, this done currently using the spring release of LLVM and once llvmPackages.latest has been updated to match. If the LLVM project has announced a release schedule of patch updates, wait until those are in nixpkgs. Otherwise, the LLVM updates will have to go through staging instead of being merged into master; and
  2. Fix the resulting breakage. Most things break due to additional warnings being turned into errors or additional strictness applied by LLVM. Fixes may come in the form of disabling those new warnings or by fixing the actual source (e.g., with a patch or update upstream). If the fix is trivial (e.g., adding a missing int to an implicit declaration), it is better to fix the problem instead of silencing the warning.