mirror of
https://github.com/NixOS/nix.git
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0d559f0c13
If the mark stack size is too small, it greatly inhibits parallel marking, which is very bad for performance on multi-core systems.
118 lines
3.7 KiB
Nix
118 lines
3.7 KiB
Nix
# These overrides are applied to the dependencies of the Nix components.
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{
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# Flake inputs; used for sources
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inputs,
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# The raw Nixpkgs, not affected by this scope
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pkgs,
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stdenv,
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}:
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let
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prevStdenv = stdenv;
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in
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let
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inherit (pkgs) lib;
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stdenv = if prevStdenv.isDarwin && prevStdenv.isx86_64 then darwinStdenv else prevStdenv;
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# Fix the following error with the default x86_64-darwin SDK:
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#
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# error: aligned allocation function of type 'void *(std::size_t, std::align_val_t)' is only available on macOS 10.13 or newer
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#
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# Despite the use of the 10.13 deployment target here, the aligned
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# allocation function Clang uses with this setting actually works
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# all the way back to 10.6.
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# NOTE: this is not just a version constraint, but a request to make Darwin
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# provide this version level of support. Removing this minimum version
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# request will regress the above error.
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darwinStdenv = pkgs.overrideSDK prevStdenv { darwinMinVersion = "10.13"; };
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in
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scope: {
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inherit stdenv;
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aws-sdk-cpp =
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(pkgs.aws-sdk-cpp.override {
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apis = [
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"identity-management"
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"s3"
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"transfer"
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];
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customMemoryManagement = false;
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}).overrideAttrs
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{
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# only a stripped down version is built, which takes a lot less resources
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# to build, so we don't need a "big-parallel" machine.
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requiredSystemFeatures = [ ];
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};
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boehmgc =
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(pkgs.boehmgc.override {
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enableLargeConfig = true;
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}).overrideAttrs
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(attrs: {
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# Increase the initial mark stack size to avoid stack
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# overflows, since these inhibit parallel marking (see
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# GC_mark_some()). To check whether the mark stack is too
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# small, run Nix with GC_PRINT_STATS=1 and look for messages
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# such as `Mark stack overflow`, `No room to copy back mark
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# stack`, and `Grew mark stack to ... frames`.
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NIX_CFLAGS_COMPILE = "-DINITIAL_MARK_STACK_SIZE=1048576";
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});
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# TODO Hack until https://github.com/NixOS/nixpkgs/issues/45462 is fixed.
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boost =
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(pkgs.boost.override {
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extraB2Args = [
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"--with-container"
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"--with-context"
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"--with-coroutine"
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"--with-iostreams"
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"--with-url"
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];
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enableIcu = false;
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}).overrideAttrs
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(old: {
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# Need to remove `--with-*` to use `--with-libraries=...`
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buildPhase = lib.replaceStrings [ "--without-python" ] [ "" ] old.buildPhase;
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installPhase = lib.replaceStrings [ "--without-python" ] [ "" ] old.installPhase;
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});
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libgit2 =
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if lib.versionAtLeast pkgs.libgit2.version "1.9.0" then
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pkgs.libgit2
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else
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pkgs.libgit2.overrideAttrs (attrs: {
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# libgit2: Nixpkgs 24.11 has < 1.9.0, which needs our patches
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nativeBuildInputs =
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attrs.nativeBuildInputs or [ ]
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# gitMinimal does not build on Windows. See packbuilder patch.
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++ lib.optionals (!stdenv.hostPlatform.isWindows) [
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# Needed for `git apply`; see `prePatch`
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pkgs.buildPackages.gitMinimal
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];
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# Only `git apply` can handle git binary patches
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prePatch =
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attrs.prePatch or ""
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+ lib.optionalString (!stdenv.hostPlatform.isWindows) ''
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patch() {
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git apply
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}
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'';
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patches =
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attrs.patches or [ ]
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++ [
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./patches/libgit2-mempack-thin-packfile.patch
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]
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# gitMinimal does not build on Windows, but fortunately this patch only
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# impacts interruptibility
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++ lib.optionals (!stdenv.hostPlatform.isWindows) [
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# binary patch; see `prePatch`
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./patches/libgit2-packbuilder-callback-interruptible.patch
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];
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});
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}
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