nixpkgs/pkgs/by-name/ha/hare/package.nix
Gustavo Coutinho de Souza 3ff0cd7263
hare: embedd paths for cross-compilation toolchains
Also strip the `HAREPATH` make variable embedded in the binary from
empty `$(SRCDIR)/hare/third-party`, since since nix does not follows the
FHS and relies on the `HAREPATH` environment variable to find third
party libraries.
2024-01-17 13:31:00 -03:00

152 lines
4.3 KiB
Nix

{ lib
, stdenv
, fetchFromSourcehut
, binutils-unwrapped
, harec
, makeWrapper
, qbe
, scdoc
, tzdata
, substituteAll
, callPackage
, enableCrossCompilation ? (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.is64bit)
, pkgsCross
, x86_64PkgsCrossToolchain ? pkgsCross.gnu64
, aarch64PkgsCrossToolchain ? pkgsCross.aarch64-multiplatform
, riscv64PkgsCrossToolchain ? pkgsCross.riscv64
}:
# There's no support for `aarch64-freebsd` or `riscv64-freebsd` on nix.
# See `lib.systems.doubles.aarch64` and `lib.systems.doubles.riscv64`.
assert let
inherit (stdenv.hostPlatform) isLinux is64bit;
inherit (lib) intersectLists platforms concatStringsSep;
workingPlatforms = intersectLists platforms.linux (with platforms; x86_64 ++ aarch64 ++ riscv64);
in
(enableCrossCompilation -> !(isLinux && is64bit))
-> builtins.throw ''
The cross-compilation toolchains may only be enabled on the following platforms:
${concatStringsSep "\n" workingPlatforms}
'';
let
# We use harec's override of qbe until 1.2 is released, but the `qbe` argument
# is kept to avoid breakage.
qbe = harec.qbeUnstable;
# https://harelang.org/platforms/
arch = stdenv.hostPlatform.uname.processor;
platform = lib.toLower stdenv.hostPlatform.uname.system;
embeddedOnBinaryTools =
let
genToolsFromToolchain = toolchain:
let
crossTargetPrefix = toolchain.stdenv.cc.targetPrefix;
toolchainArch = toolchain.stdenv.hostPlatform.uname.processor;
absOrRelPath = toolDrv: toolBasename:
if arch == toolchainArch then toolBasename
else lib.getExe' toolDrv "${crossTargetPrefix}${toolBasename}";
in
{
"ld" = absOrRelPath toolchain.buildPackages.binutils "ld";
"as" = absOrRelPath toolchain.buildPackages.binutils "as";
"cc" = absOrRelPath toolchain.stdenv.cc "cc";
};
in
{
x86_64 = genToolsFromToolchain x86_64PkgsCrossToolchain;
aarch64 = genToolsFromToolchain aarch64PkgsCrossToolchain;
riscv64 = genToolsFromToolchain riscv64PkgsCrossToolchain;
};
in
stdenv.mkDerivation (finalAttrs: {
pname = "hare";
version = "unstable-2023-11-27";
outputs = [ "out" "man" ];
src = fetchFromSourcehut {
owner = "~sircmpwn";
repo = "hare";
rev = "d94f355481a320fb2aec13ef62cb3bfe2416f5e4";
hash = "sha256-Mpl3VO4xvLCKHeYr/FPuS6jl8CkyeqDz18mQ6Zv05oc=";
};
patches = [
# Replace FHS paths with nix store
(substituteAll {
src = ./001-tzdata.patch;
inherit tzdata;
})
];
nativeBuildInputs = [
harec
makeWrapper
qbe
scdoc
];
buildInputs = [
binutils-unwrapped
harec
qbe
tzdata
];
makeFlags = [
"HARECACHE=.harecache"
"PREFIX=${builtins.placeholder "out"}"
"PLATFORM=${platform}"
"ARCH=${arch}"
# Strip the variable of an empty $(SRCDIR)/hare/third-party, since nix does
# not follow the FHS.
"HAREPATH=$(SRCDIR)/hare/stdlib"
] ++ lib.optionals enableCrossCompilation [
"RISCV64_AS=${embeddedOnBinaryTools.riscv64.as}"
"RISCV64_CC=${embeddedOnBinaryTools.riscv64.cc}"
"RISCV64_LD=${embeddedOnBinaryTools.riscv64.ld}"
"AARCH64_AS=${embeddedOnBinaryTools.aarch64.as}"
"AARCH64_CC=${embeddedOnBinaryTools.aarch64.cc}"
"AARCH64_LD=${embeddedOnBinaryTools.aarch64.ld}"
"x86_64_AS=${embeddedOnBinaryTools.x86_64.as}"
"x86_64_CC=${embeddedOnBinaryTools.x86_64.cc}"
"x86_64_LD=${embeddedOnBinaryTools.x86_64.ld}"
];
enableParallelBuilding = true;
# Append the distribution name to the version
env.LOCALVER = "nixpkgs";
strictDeps = true;
doCheck = true;
preConfigure = ''
ln -s config.example.mk config.mk
'';
postFixup = ''
wrapProgram $out/bin/hare \
--prefix PATH : ${lib.makeBinPath [binutils-unwrapped harec qbe]}
'';
setupHook = ./setup-hook.sh;
passthru = {
tests = lib.optionalAttrs enableCrossCompilation {
crossCompilation = callPackage ./cross-compilation-tests.nix {
hare = finalAttrs.finalPackage;
};
};
};
meta = {
homepage = "https://harelang.org/";
description = "Systems programming language designed to be simple, stable, and robust";
license = lib.licenses.gpl3Only;
maintainers = with lib.maintainers; [ onemoresuza ];
mainProgram = "hare";
inherit (harec.meta) platforms badPlatforms;
};
})