256 lines
10 KiB
Nix
256 lines
10 KiB
Nix
{
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description = "xo-unit: c++ compile-time dimension checking and unit conversion";
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# Adapted from xo-nix2/flake.nix
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# MANIFESTO
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# No build instructions in flake.nix
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# - Following Jade Lovelace's advice
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# - Build instructions are in pkgs/*.nix
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# - Each pkgs/*.nix is intended to work 'like a .nix file in nixpkgs'
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# I'm being lazy about source hashes, since flake.nix supplies them.
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#
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# Motivation (per JL) versus doing everything in flake.nix:
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# - nixpkgs-ready
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# - parameterized
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# - overridable
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# - still works if cross-compiling
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#
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# Instead: using flake.nix as entry point:
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# - pin nixpkgs to a specific revision, for reproducibility
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# - pin our candidate packages (pkgs/*.nix), for the same reason.
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# to determine specific hash for nixpkgs:
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# 1. $ cd ~/proj/nixpkgs
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# 2. $ git checkout release-23.05
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# 3. $ git fetch
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# 4. $ git pull
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# 5. $ git log -1
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# take this hash, then substitue for ${hash} in:
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# inputs.nixpkgs.url = "https://github.com/NixOS/nixpkgs/archive/${hash}.tar.gz";
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# below
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#inputs.nixpkgs.url = "https://github.com/NixOS/nixpkgs/archive/9a333eaa80901efe01df07eade2c16d183761fa3.tar.gz";
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# as sbove but instead of {release-23.05} use {release-23.11}
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# gcc -> 12.3.0
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# python -> 3.11.6
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#
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inputs.nixpkgs.url = "https://github.com/NixOS/nixpkgs/archive/217b3e910660fbf603b0995a6d2c3992aef4cc37.tar.gz"; # asof 10mar2024
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#inputs.nixpkgs.url = "https://github.com/NixOS/nixpkgs/archive/4dd376f7943c64b522224a548d9cab5627b4d9d6.tar.gz";
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# inputs.nixpkgs.url
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# = "https://github.com/NixOS/nixpkgs/archive/fac3684647cc9d6dfb2a39f3f4b7cf5fc89c96b6.tar.gz"; # asof 8feb2024
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# fac3684647.. asof 17oct2023
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# instead of
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# inputs.nixpkgs.url = "github:nixos/nixpkgs/23.05";
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inputs.flake-utils.url = "github:numtide/flake-utils";
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# To add a new package, visit placeholder-A .. placeholder-E
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inputs.xo-cmake-path = { type = "github"; owner = "Rconybea"; repo = "xo-cmake"; flake = false; };
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inputs.xo-indentlog-path = { type = "github"; owner = "Rconybea"; repo = "indentlog"; flake = false; };
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inputs.xo-refcnt-path = { type = "github"; owner = "Rconybea"; repo = "refcnt"; flake = false; };
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inputs.xo-subsys-path = { type = "github"; owner = "Rconybea"; repo = "subsys"; flake = false; };
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#inputs.xo-pyutil-path = { type = "github"; owner = "Rconybea"; repo = "xo-pyutil"; flake = false; };
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inputs.xo-reflect-path = { type = "github"; owner = "Rconybea"; repo = "reflect"; flake = false; };
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#inputs.xo-pyreflect-path = { type = "github"; owner = "Rconybea"; repo = "xo-pyreflect"; flake = false; };
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# placeholder-A
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outputs
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= { self,
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nixpkgs,
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flake-utils,
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xo-cmake-path,
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xo-indentlog-path,
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xo-refcnt-path,
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xo-subsys-path,
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xo-reflect-path,
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# placeholder-B
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} :
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# out :: system -> {packages, devShells}
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let
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out
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= system :
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let
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pkgs = nixpkgs.legacyPackages.${system};
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# could try using
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# appliedOverlay = (pkgs.extend self.overlays.default)
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# but it doesn't seem to work the way I expect,
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# For example, wants to pickup 2.7.11 python for xo-pyutil !
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#
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appliedOverlay = self.overlays.default pkgs pkgs;
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in
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{
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#xo-cmake-dir = "${self.packages.${system}.xo-cmake}/share/cmake";
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# reminder:
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# 'packages' comprises the output of this flake;
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# each defn invokes a build
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# ./pkgs/$example.nix
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# using
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# cmake-examples-$example-path
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# above for source code
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packages.xo-cmake = appliedOverlay.xo-cmake;
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packages.xo-indentlog = appliedOverlay.xo-indentlog;
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packages.xo-refcnt = appliedOverlay.xo-refcnt;
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packages.xo-subsys = appliedOverlay.xo-subsys;
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packages.xo-reflect = appliedOverlay.xo-reflect;
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# placeholder-C
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packages.xo-userenv = appliedOverlay.xo-userenv;
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devShells = appliedOverlay.devShells;
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};
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in
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flake-utils.lib.eachDefaultSystem
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out
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//
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{
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# introduce overlay to extend nixpkgs with our local packages,
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# (which ofc are not present in nixpkgs, though same form would work if they were present)
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#
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overlays.default = final: prev:
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(
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let
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# can use
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# $ nix-env -qaP | grep \.boost # show known boost versions
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# $ nix-env -qaP | grep \.python.*Packages # show known python versions
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stdenv = prev.stdenv;
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boost = prev.boost182;
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python = prev.python311Full;
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pythonPackages = prev.python311Packages;
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#doxygen = prev.doxygen;
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pybind11 = pythonPackages.pybind11;
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#breathe = python3Packages.breathe;
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#sphinx = python3Packages.sphinx;
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#sphinx-rtd-theme = python3Packages.sphinx-rtd-theme;
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#extras1 = { boost = boost; };
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#extras2 = { boost = boost; python3Packages = python3Packages; pybind11 = pybind11; };
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#extras3 = { boost = boost; python3Packages = python3Packages; pybind11 = pybind11; doxygen = doxygen; };
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#extras4 = extras3 // { breathe = breathe; };
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xo-cmake =
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(prev.callPackage ./pkgs/xo-cmake.nix {}).overrideAttrs
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(old: { src = xo-cmake-path; });
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xo-indentlog =
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(prev.callPackage ./pkgs/xo-indentlog.nix { xo-cmake = xo-cmake; }).overrideAttrs
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(old: { src = xo-indentlog-path; });
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xo-subsys =
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(prev.callPackage ./pkgs/xo-subsys.nix { xo-cmake = xo-cmake; }).overrideAttrs
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(old: { src = xo-subsys-path; });
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xo-refcnt =
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(prev.callPackage ./pkgs/xo-refcnt.nix { xo-cmake = xo-cmake;
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xo-indentlog = xo-indentlog; }).overrideAttrs
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(old: { src = xo-refcnt-path; });
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xo-reflect =
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(prev.callPackage ./pkgs/xo-reflect.nix { xo-cmake = xo-cmake;
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xo-subsys = xo-subsys;
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xo-refcnt = xo-refcnt; }).overrideAttrs
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(old: { src = xo-reflect-path; });
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xo-unit =
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(prev.callPackage ./pkgs/xo-unit.nix { xo-cmake = xo-cmake;
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xo-reflect = xo-reflect; }).overrideAttrs
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(old: { src = ./.; });
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# placeholder-D
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# user environment with all xo libraries present
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xo-userenv =
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(prev.callPackage ./pkgs/xo-userenv.nix { xo-cmake = xo-cmake;
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xo-indentlog = xo-indentlog;
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xo-subsys = xo-subsys;
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xo-refcnt = xo-refcnt;
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xo-reflect = xo-reflect;
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xo-unit = xo-unit;
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}).overrideAttrs(old: {});
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in
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# attrs in this set provide derivations with all overlay changes applied.
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#
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# REMINDER: need expression like
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# packages.xo-foo = appliedOverlay.xo-foo;
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# above to export
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{
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xo-cmake = xo-cmake;
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xo-indentlog = xo-indentlog;
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xo-subsys = xo-subsys;
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xo-refcnt = xo-refcnt;
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xo-reflect = xo-reflect;
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xo-unit = xo-unit;
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# placeholder-E
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xo-userenv = xo-userenv;
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devShells = {
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default = prev.mkShell.override
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# but may need prev.clang16Stdenv instead of prev.stdenv here on macos
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{ stdenv = prev.stdenv; }
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{ packages
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= [ python
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pybind11
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pythonPackages.coverage
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pythonPackages.sphinx
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pythonPackages.sphinx-rtd-theme
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pythonPackages.breathe
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# pythonPackages.pyarrow
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boost # really for filemerge
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prev.llvmPackages_16.clang-unwrapped
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prev.anki
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prev.mesa
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prev.egl-wayland
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prev.emacs29
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prev.notmuch
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prev.emacsPackages.notmuch
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prev.inconsolata-lgc
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prev.doxygen
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prev.graphviz
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prev.ditaa
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prev.semgrep
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prev.ripgrep
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prev.git
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prev.openssh
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prev.cmake
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prev.gdb
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prev.which
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prev.man
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prev.man-pages
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prev.less
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prev.tree
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prev.nix-tree
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prev.lcov
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prev.arrow-cpp
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prev.libwebsockets
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prev.jsoncpp
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prev.eigen
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prev.catch2
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prev.pkg-config
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prev.zlib
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];
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};
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};
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});
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};
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}
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