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Merge pull request #7082 from rapenne-s/ccache

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add ccacheStdenv
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Théophane Hufschmitt 2022-09-24 12:45:27 +02:00 committed by GitHub
parent cacfc32ee2 e04b38f789
commit 6a64820cb4
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2 changed files with 5 additions and 2 deletions
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5
doc/manual/src/contributing/hacking.md
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@ -42,7 +42,7 @@ $ nix develop
``` ```
To get a shell with a different compilation environment (e.g. stdenv, To get a shell with a different compilation environment (e.g. stdenv,
gccStdenv, clangStdenv, clang11Stdenv): gccStdenv, clangStdenv, clang11Stdenv, ccacheStdenv):
```console ```console
$ nix-shell -A devShells.x86_64-linux.clang11StdenvPackages $ nix-shell -A devShells.x86_64-linux.clang11StdenvPackages
@ -54,6 +54,9 @@ or if you have a flake-enabled nix:
$ nix develop .#clang11StdenvPackages $ nix develop .#clang11StdenvPackages
``` ```
Note: you can use `ccacheStdenv` to drastically improve rebuild
time. By default, ccache keeps artifacts in `~/.cache/ccache/`.
To build Nix itself in this shell: To build Nix itself in this shell:
```console ```console

2
flake.nix
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@ -23,7 +23,7 @@
crossSystems = [ "armv6l-linux" "armv7l-linux" ]; crossSystems = [ "armv6l-linux" "armv7l-linux" ];
stdenvs = [ "gccStdenv" "clangStdenv" "clang11Stdenv" "stdenv" "libcxxStdenv" ]; stdenvs = [ "gccStdenv" "clangStdenv" "clang11Stdenv" "stdenv" "libcxxStdenv" "ccacheStdenv" ];
forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system); forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
forAllSystemsAndStdenvs = f: forAllSystems (system: forAllSystemsAndStdenvs = f: forAllSystems (system: