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+ private llvm build, compiles.

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This commit is contained in:
Roland Conybeare 2025-06-08 18:41:28 -05:00
commit ed94ad9243
2 changed files with 146 additions and 10 deletions
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47
default.nix
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@ -3,8 +3,9 @@
# buildInputs = [ pkgs.coreutils ];
#}
{
# official 24.05 release
#nixpkgs-path ? fetchTarball "https://github.com/NixOS/nixpkgs/archive/nixos-24.05.tar.gz",
nixpkgs-path ? ../nixpkgs,
# pkgs ? import (fetchTarball {
@ -18,22 +19,43 @@ let
# since absolutely everything has to be rebuilt from source
#
# Problem: builds *everything* with llvm18 toolchain, exposes too many compiler nits
llvm-overlay = self: super: {
# use 'super' when you want to override the terms of a package.
# use 'self' when pointing to an existing package
#
llvmPackages = super.llvmPackages_18;
};
xo-overlay = self: super:
let
# Choose the LLVM version you want
llvmPackages = self.llvmPackages_18;
in
# use 'super' when you want to override the terms of a package.
# use 'self' when pointing to an existing package
let
# note:
# - problems with nix llvm build-from-source w/ gcc 13.3.
# - building outside nix following linuxfromscratch instructions, using gcc 12.3, works fine.
#
llvmXo = self.callPackage pkgs/llvm.nix {};
# Choose the LLVM version you want
llvmPackages1 = super.llvmPackages_18;
llvmPackages2 = llvmPackages1 // { llvm = llvmPackages1.llvm.overrideAttrs (old: {
cmakeFlags = old.cmakeFlags or [] ++ [ "-DCMAKE_VERBOSE_MAKEFILE=1" ];
}); };
in
let
# Rebuild stdenv to use that LLVM version
customStdenv = super.overrideCC super.stdenv llvmPackages.clang;
# on darwin, rebuild stdenv to use clang tied to that LLVM version.
# otherwise we get conflicts since darwin stdenv is using clang+llvm for gcc.
#
clangStdenv = super.overrideCC super.stdenv llvmPackages2.clang;
# stdenv to use for xo-jit
jitStdenv = if super.stdenv.isDarwin then clangStdenv else super.stdenv;
in
{
@ -77,17 +99,18 @@ let
xo-tokenizer = self.callPackage pkgs/xo-tokenizer.nix {};
xo-reader = self.callPackage pkgs/xo-reader.nix {};
xo-jit = self.callPackage pkgs/xo-jit.nix { stdenv = customStdenv;
clang = llvmPackages.clang;
llvm = llvmPackages.llvm; };
xo-jit = self.callPackage pkgs/xo-jit.nix { #stdenv = jitStdenv;
#clang = llvmPackages2.clang;
llvm = llvmPackages2.llvm; };
xo-pyjit = self.callPackage pkgs/xo-pyjit.nix {};
#
xo-userenv = self.callPackage pkgs/xo-userenv.nix {};
xo-userenv-slow = self.callPackage pkgs/xo-userenv-slow.nix { stdenv = customStdenv;
xo-userenv-slow = self.callPackage pkgs/xo-userenv-slow.nix { stdenv = jitStdenv;
#clang = llvmPackages.clang;
llvm = llvmPackages.llvm;
llvm = llvmPackages2.llvm;
};
llvmXo = llvmXo;
};
in