From 6e53ccdcaa0d10ccb18edab91f07d48e3dee025f Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph.amissah@gmail.com>
Date: Tue, 3 Dec 2024 20:26:10 -0500
Subject: nix build housekeeping, ldc, follow nixpkgs build

---
 nix-overlays/ldc/bootstrap.nix | 45 +++++++++++++++++++++++++++++++++++++++---
 1 file changed, 42 insertions(+), 3 deletions(-)

(limited to 'nix-overlays/ldc/bootstrap.nix')

diff --git a/nix-overlays/ldc/bootstrap.nix b/nix-overlays/ldc/bootstrap.nix
index 7724cbc..d81e5a4 100644
--- a/nix-overlays/ldc/bootstrap.nix
+++ b/nix-overlays/ldc/bootstrap.nix
@@ -1,11 +1,50 @@
-{ callPackage }:
-callPackage ./binary.nix {
+{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2 }:
+
+let
+  inherit (stdenv) hostPlatform;
+  OS = if hostPlatform.isDarwin then "osx" else hostPlatform.parsed.kernel.name;
+  ARCH = if hostPlatform.isDarwin && hostPlatform.isAarch64 then "arm64" else hostPlatform.parsed.cpu.name;
   version = "1.25.0";
   hashes = {
-    # Get these from `nix-prefetch-url https://github.com/ldc-developers/ldc/releases/download/v1.19.0/ldc2-1.19.0-osx-x86_64.tar.xz` etc..
+    # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.25.0/ldc2-1.25.0-osx-x86_64.tar.xz` etc..
     osx-x86_64 = "sha256-6iKnbS+oalLKmyS8qYD/wS21b7+O+VgsWG2iT4PrWPU=";
     linux-x86_64 = "sha256-sfg47RdlsIpryc3iZvE17OtLweh3Zw6DeuNJYgpuH+o=";
     linux-aarch64  = "sha256-UDZ43x4flSo+SfsPeE8juZO2Wtk2ZzwySk0ADHnvJBI=";
     osx-arm64  = "sha256-O/x0vy0wwQFaDc4uWSeMhx+chJKqbQb6e5QNYf+7DCw=";
   };
+in stdenv.mkDerivation {
+  pname = "ldc-bootstrap";
+  inherit version;
+
+  src = fetchurl rec {
+    name = "ldc2-${version}-${OS}-${ARCH}.tar.xz";
+    url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/${name}";
+    hash = hashes."${OS}-${ARCH}" or (throw "missing bootstrap hash for ${OS}-${ARCH}");
+  };
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  nativeBuildInputs = lib.optionals hostPlatform.isLinux [
+    autoPatchelfHook
+  ] ++ lib.optional hostPlatform.isDarwin fixDarwinDylibNames;
+
+  buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ libxml2 stdenv.cc.cc ];
+
+  propagatedBuildInputs = [ curl tzdata ];
+
+  installPhase = ''
+    mkdir -p $out
+
+    mv bin etc import lib LICENSE README $out/
+  '';
+
+  meta = with lib; {
+    description = "LLVM-based D Compiler";
+    homepage = "https://github.com/ldc-developers/ldc";
+    # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
+    license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
+    maintainers = with maintainers; [ lionello ];
+    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
+  };
 }
-- 
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