jupiter-test/ghc.nix
2025-04-20 21:48:59 -07:00

101 lines
3.3 KiB
Nix

# https://github.com/AlexandreTunstall/nixos-riscv/blob/master/modules/compilers/ghc.nix
{ boot, lib, ... }:
{
nixpkgs.overlays = lib.mkBefore [
(self: super: let
mkBootCompiler = { drv, llvmPackages }: drv.overrideAttrs ({ passthru ? {}, ... }: {
passthru = passthru // {
inherit llvmPackages;
};
});
mkBootPackages = { base, ghc }: let
buildHaskellPackages = base.override (old: {
inherit buildHaskellPackages ghc;
overrides = bootOverrides;
});
in buildHaskellPackages;
hsLib = self.haskell.lib.compose;
bootOverrides = self: super: {
mkDerivation = args: super.mkDerivation ({
enableLibraryProfiling = false;
} // args);
alex = hsLib.dontCheck super.alex;
data-array-byte = hsLib.dontCheck super.data-array-byte;
doctest = hsLib.dontCheck super.doctest;
extra = hsLib.dontCheck super.extra;
hashable = hsLib.dontCheck super.hashable;
optparse-applicative = hsLib.dontCheck super.optparse-applicative;
QuickCheck = hsLib.dontCheck super.QuickCheck;
temporary = hsLib.dontCheck super.temporary;
unordered-containers = hsLib.dontCheck super.unordered-containers;
vector = hsLib.dontCheck super.vector;
};
# There is no neater way of overriding Hadrian
withPatchedHadrian = ghc: ghc.override {
hadrian = hsLib.disableCabalFlag "threaded" (hsLib.appendPatches [
(self.fetchpatch {
name = "enable-ghci.patch";
url = "https://gitlab.haskell.org/ghc/ghc/-/commit/dd38aca95ac25adc9888083669b32ff551151259.patch";
hash = "sha256-xqs6mw/akxMy+XmVabACzsIviIKP4fS0UEgTk0HJcIc=";
stripLen = 1;
})
] ghc.hadrian);
};
overrides = self: super: {
# Profiling is disabled for GHC on RISC-V due to size constraints
mkDerivation = args: super.mkDerivation ({
enableLibraryProfiling = false;
} // args);
# LLVM segfaults in one of the happy tests
happy = hsLib.dontCheck super.happy;
};
in {
haskell = super.haskell // {
compiler = {
ghc948Boot = mkBootCompiler {
drv = boot."ghc-9.4.8";
llvmPackages = self.llvmPackages_15;
};
ghc966 = (withPatchedHadrian (super.haskell.compiler.ghc966.override {
bootPkgs = self.haskell.packages.ghc948Boot;
llvmPackages = self.llvmPackages_15;
})).overrideAttrs ({ patches ? [], ... }: {
patches = patches ++ [
(self.fetchpatch {
name = "enable-ghci-hadrian.patch";
url = "https://gitlab.haskell.org/ghc/ghc/-/commit/c5e47441ab2ee2568b5a913ce75809644ba83271.patch";
hash = "sha256-t3KkuME6IqLWuESIMZ7OVAFu7s8G+x0ev+aVzBUqkhg=";
})
];
});
ghc96 = self.haskell.compiler.ghc966;
};
packages = {
inherit (super.haskell.packages) ghc96;
ghc966 = super.haskell.packages.ghc966.override {
inherit overrides;
};
ghc948Boot = mkBootPackages {
base = super.haskell.packages.ghc948;
ghc = self.pkgsBuildHost.haskell.compiler.ghc948Boot;
};
};
};
})
];
}