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@ghost ghost commented Apr 27, 2023

Description of changes

Apparently gcc has these Makefile targets:

  • ""
  • "bootstrap"
  • "profiledbootstrap"

... but no "profiled". So if you want a profiled compiler, at the moment, it should be bootstrapped.

If we ever decide to make the nixpkgs bootstrap use a profiled compiler (which at the moment means nondeterminism) a Nix-driven profile loop is certainly possible, but would take some work.

Closes #228597.

Things done
  • Built on platform(s)
    • x86_64-linux
    • aarch64-linux
    • x86_64-darwin
    • aarch64-darwin
  • For non-Linux: Is sandbox = true set in nix.conf? (See Nix manual)
  • Tested, as applicable:
  • Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
  • Tested basic functionality of all binary files (usually in ./result/bin/)
  • 23.05 Release Notes (or backporting 22.11 Release notes)
    • (Package updates) Added a release notes entry if the change is major or breaking
    • (Module updates) Added a release notes entry if the change is significant
    • (Module addition) Added a release notes entry if adding a new NixOS module
  • Fits CONTRIBUTING.md.

Apparently gcc has these `Makefile` targets:

- `""`
- `"bootstrap"`
- `"profiledbootstrap"`

... but no `"profiled"`.  So if you want a profiled compiler, at the
moment, it should be bootstrapped.

If we ever decide to make the nixpkgs bootstrap use a profiled
compiler (which at the moment means nondeterminism) a Nix-driven
profile loop is certainly possible, but would take some work.

Closes #228597.
@ofborg ofborg bot added 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin. 10.rebuild-linux: 1-10 This PR causes between 1 and 10 packages to rebuild on Linux. 10.rebuild-linux: 1 This PR causes 1 package to rebuild on Linux. labels Apr 27, 2023
@ghost ghost marked this pull request as ready for review April 28, 2023 01:16
@ghost ghost requested a review from matthewbauer as a code owner April 28, 2023 01:16
@ghost ghost requested a review from vcunat May 1, 2023 10:15
@vcunat vcunat merged commit 586616f into NixOS:master May 1, 2023
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vcunat commented May 1, 2023

It's simple, looks OK and builds, so let's not wait for deeper review(s).

@ghost ghost deleted the pr/fastStdenv/fix-breakage branch January 23, 2024 06:47
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10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin. 10.rebuild-linux: 1-10 This PR causes between 1 and 10 packages to rebuild on Linux. 10.rebuild-linux: 1 This PR causes 1 package to rebuild on Linux.

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fastStdenv broken by #209870

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