mirror of
https://github.com/Feliix42/mlir.nix.git
synced 2024-11-21 18:36:29 +00:00
129 lines
4.2 KiB
Nix
129 lines
4.2 KiB
Nix
{
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description = "Custom-Built MLIR";
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# Nixpkgs / NixOS version to use.
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inputs.nixpkgs.url = "nixpkgs/nixos-22.11";
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outputs = { self, nixpkgs }:
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let
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# git revision to use (for version and git pull
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gitRevision = "llvmorg-17-init";
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# gitRevision = "603c286334b07f568d39f6706c848f576914f323";
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# to work with older version of flakes
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lastModifiedDate = self.lastModifiedDate or self.lastModified or "19700101";
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# Generate a user-friendly version number.
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#version = builtins.substring 0 8 lastModifiedDate;
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version = gitRevision;
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# System types to support.
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supportedSystems = [ "x86_64-linux" ]; #"x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
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# Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
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forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
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# Nixpkgs instantiated for supported system types.
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nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; overlays = [ self.overlay ]; });
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in
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{
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# A Nixpkgs overlay.
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overlay = final: prev: {
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mlir = with final; llvmPackages_14.stdenv.mkDerivation rec {
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name = "mlir-${version}";
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src = fetchFromGitHub {
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owner = "llvm";
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repo = "llvm-project";
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rev = gitRevision;
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sha256 = "sha256-IAiG7pM+j3dGRb7WzkhWNu0aBgC2plXV0D0DpyuM9tc=";
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};
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sourceRoot = "source/llvm";
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nativeBuildInputs = [
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python3
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ninja
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cmake
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ncurses
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zlib
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llvmPackages_14.llvm
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llvmPackages_14.clang
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llvmPackages_14.bintools
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];
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buildInputs = [ libxml2 ];
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cmakeFlags = [
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# "-DGCC_INSTALL_PREFIX=${gcc}"
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#"-DC_INCLUDE_DIRS=${stdenv.cc.libc.dev}/include"
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"-GNinja"
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# Debug for debug builds
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"-DCMAKE_BUILD_TYPE=Release"
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# from the original LLVM expr
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"-DLLVM_LINK_LLVM_DYLIB=ON"
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# inst will be our installation prefix
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#"-DCMAKE_INSTALL_PREFIX=../inst"
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# "-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON"
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# install tools like FileCheck
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"-DLLVM_INSTALL_UTILS=ON"
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# change this to enable the projects you need
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"-DLLVM_ENABLE_PROJECTS=mlir"
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# "-DLLVM_BUILD_EXAMPLES=ON"
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# this makes llvm only to produce code for the current platform, this saves CPU time, change it to what you need
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"-DLLVM_TARGETS_TO_BUILD=X86"
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# -DLLVM_TARGETS_TO_BUILD="X86;NVPTX;AMDGPU" \
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# NOTE(feliix42): THIS IS ABI BREAKING!!
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"-DLLVM_ENABLE_ASSERTIONS=ON"
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# Using clang and lld speeds up the build, we recomment adding:
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"-DCMAKE_C_COMPILER=clang"
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"-DCMAKE_CXX_COMPILER=clang++"
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"-DLLVM_ENABLE_LLD=ON"
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#"-DLLVM_USE_LINKER=${llvmPackages_14.bintools}/bin/lld"
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# CCache can drastically speed up further rebuilds, try adding:
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#"-DLLVM_CCACHE_BUILD=ON"
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# libxml2 needs to be disabled because the LLVM build system ignores its .la
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# file and doesn't link zlib as well.
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# https://github.com/ClangBuiltLinux/tc-build/issues/150#issuecomment-845418812
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#"-DLLVM_ENABLE_LIBXML2=OFF"
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];
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# TODO(feliix42): Fix this, as it requires the python package `lit`
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# postInstall = ''
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# cp bin/llvm-lit $out/bin
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# '';
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};
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};
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# Provide some binary packages for selected system types.
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packages = forAllSystems (system:
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{
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inherit (nixpkgsFor.${system}) mlir;
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});
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# The default package for 'nix build'. This makes sense if the
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# flake provides only one package or there is a clear "main"
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# package.
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defaultPackage = forAllSystems (system: self.packages.${system}.mlir);
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# A NixOS module, if applicable (e.g. if the package provides a system service).
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nixosModules.mlir =
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{ pkgs, ... }:
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{
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nixpkgs.overlays = [ self.overlay ];
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environment.systemPackages = [ pkgs.mlir ];
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#systemd.services = { ... };
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};
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};
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}
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