16 files changed, 813 insertions, 452 deletions
diff --git a/.envrc-nix b/.envrc-nix
index 8d55e85..22d0b54 100644
--- a/.envrc-nix
+++ b/.envrc-nix
@@ -1,7 +1,7 @@
 NIX_ENFORCE_PURITY=1
 # - https://github.com/nix-community/nix-direnv
-NixDirEnvVersion="3.0.6"
-NixDirEnvSHA="sha256-RYcUJaRMf8oF5LznDrlCXbkOQrywm0HDv1VjYGaJGdM="
+NixDirEnvVersion="3.0.7"
+NixDirEnvSHA="sha256-bn8WANE5a91RusFmRI7kS751ApelG02nMcwRekC/qzc="
 if ! has nix_direnv_version || ! nix_direnv_version ${NixDirEnvVersion}; then
   source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "${NixDirEnvSHA}"
 fi
diff --git a/README b/README
index bd9cb6c..ee7d706 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@
 #+FILETAGS:    :dlang:build:tools:
 #+AUTHOR:      Ralph Amissah
 #+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2022 - 2024 Ralph Amissah
+#+COPYRIGHT:   Copyright (C) 2022 - 2025 Ralph Amissah
 #+LANGUAGE:    en
 #+STARTUP:     content hideblocks hidestars noindent entitiespretty
 
@@ -35,11 +35,11 @@ nix control files
   - flake.nix
 
 nix overlays for (updates nixpkgs, more recent versions of):
-  - ldc     ( 1.30.0 -> 1.40.1 )
-  - dub     ( 1.23.0 -> 1.38.1 ) [for nix versions 1.31.0 ... 1.33.0 broken]
-  - dtools  ( 2.095.1 -> 2.103.1 )
+  - ldc     ( 1.30.0 -> 1.41.0 )
+  - dub     ( 1.23.0 -> 1.40.0 ) [for nix versions 1.31.0 ... 1.33.0 broken]
+  - dtools  ( 2.095.1 -> 2.110.0 )
 
-  - dmd     ( 2.100.2 -> 2.110.0 )
+  - dmd     ( 2.100.2 -> 2.111.0 )
   - gdc     [not yet available]
 
 (updates nixpkgs circa 2023-05-12)
@@ -73,26 +73,26 @@ search nixpkgs here:
 - https://search.nixos.org/packages?channel=unstable&from=0&size=100&sort=relevance&query=
 
 ** compilers
-*** ldc OK ✓ ( 1.30.0 -> 1.40.1 )
+*** ldc OK ✓ ( 1.30.0 -> 1.41.0 )
 
 - https://wiki.dlang.org/LDC
 
 - https://github.com/ldc-developers/ldc
   - https://github.com/ldc-developers/ldc/releases
-    nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.40.1.tar.gz
+    nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.41.0.tar.gz
   - https://github.com/ldc-developers/ldc/issues
 
 - version in nixpkgs:
   - https://search.nixos.org/packages?channel=unstable&show=ldc&from=0&size=100&sort=relevance&type=packages&query=ldc
 
-*** dmd OK ✓ ( 2.100.2 -> 2.110.0 )
+*** dmd OK ✓ ( 2.100.2 -> 2.111.0 )
 
 - https://dlang.org/
   - https://wiki.dlang.org/LDC
 
 - https://github.com/dlang/dmd
   - https://github.com/dlang/dmd/tags
-    nix-prefetch-url --unpack https://github.com/dlang/dmd/archive/refs/tags/v2.110.0.tar.gz
+    nix-prefetch-url --unpack https://github.com/dlang/dmd/archive/refs/tags/v2.111.0.tar.gz
   - https://github.com/dlang/dmd/pulls
 
 - version in nixpkgs:
@@ -114,13 +114,13 @@ not yet provided in nixpkgs with gcc12, no attempt made
 - https://github.com/D-Programming-GDC/gdc
 
 ** build tool
-*** dub ( 1.23.0 -> 1.38.1 )
+*** dub ( 1.23.0 -> 1.40.0 )
 
 - https://code.dlang.org/packages/dub
 
 - https://github.com/dlang/dub
   - https://github.com/dlang/dub/releases
-    nix-prefetch-url --unpack https://github.com/dlang/dub/archive/refs/tags/v1.38.1.tar.gz
+    nix-prefetch-url --unpack https://github.com/dlang/dub/archive/refs/tags/v1.40.0.tar.gz
   - https://github.com/dlang/dub/issues
 
 - version in nixpkgs:
@@ -128,19 +128,19 @@ not yet provided in nixpkgs with gcc12, no attempt made
 
 - dub nixpkg overlay is updated and runs most dub tests correctly
 
-- dub OK ✓ ( 1.30.0 -> 1.38.1 )
+- dub OK ✓ ( 1.30.0 -> 1.40.0 )
 
   from v1.31.0 requires seeting of pwd in buildPhase else fails to build
   packages with nix tools that previous version of dub built;
 
 ** tools
-*** dtools OK ✓ ( 2.095.1 -> 2.103.1 )
+*** dtools OK ✓ ( 2.095.1 -> 2.110.0 )
 
 - https://code.dlang.org/packages/dtools
 
 - https://github.com/dlang/tools
   - https://github.com/dlang/tools/tags
-    nix-prefetch --unpack https://github.com/dlang/tools/archive/refs/tags/v2.103.1.tar.gz
+    nix-prefetch --unpack https://github.com/dlang/tools/archive/refs/tags/v2.110.0.tar.gz
   - https://github.com/dlang/tools/issues
 
 - version in nixpkgs
diff --git a/flake.lock b/flake.lock
index 58ff03b..cc3ada4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1742456341,
-        "narHash": "sha256-yvdnTnROddjHxoQqrakUQWDZSzVchczfsuuMOxg476c=",
+        "lastModified": 1754651824,
+        "narHash": "sha256-aB7ft6njy9EJfuW+rdToNChfRrHNRw/yTg5cSEnG+HI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7344a3b78128f7b1765dba89060b015fb75431a7",
+        "rev": "b069b7c1e2fe1a3a24221428558bf44128d3d5c8",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index b5d4782..1d73b03 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,10 +21,10 @@
       runHook postCheck
     '';
     localOverlay = (final: prev: {
-      ldc = prev.callPackage ./nix-overlays/ldc {  };       # -> ok 1.40.1
-      dmd = prev.callPackage ./nix-overlays/dmd {  };       # -> ok 2.110.0
-      dub = prev.callPackage ./nix-overlays/dub {  };       # -> ? 1.38.1
-      dtools = prev.callPackage ./nix-overlays/dtools {  }; # -> ok 2.103.1
+      ldc = prev.callPackage ./nix-overlays/ldc {  };       # -> ok 1.41.0
+      dmd = prev.callPackage ./nix-overlays/dmd {  };       # -> ok 2.111.0
+      dub = prev.callPackage ./nix-overlays/dub {  };       # -> ? 1.40.0
+      dtools = prev.callPackage ./nix-overlays/dtools {  }; # -> ok 2.110.0
       #gdc = prev.callPackage ./nix-overlays/gdc {  };      # empty
     });
     pkgsForSystem = system: import nixpkgs {
@@ -85,7 +85,7 @@
     in
       with pkgs-ovl; {
         dsh-overlay-dtools = mkShell {
-          name = "overlay - ldc-1.40.1 - dub-1.38.1 - dtools-2.103.1";
+          name = "overlay - ldc-1.41.0 - dub-1.40.0 - dtools-2.110.0";
           inherit shell;
           inherit devEnv;
           packages = [
@@ -97,7 +97,7 @@
           inherit shellHook;
         };
         dsh-overlay-ldc-dub = mkShell {
-          name = "overlay - ldc-1.40.1 - dub-1.38.1 - dtools-2.103.1";
+          name = "overlay - ldc-1.41.0 - dub-1.40.0 - dtools-2.110.0";
           inherit shell;
           inherit devEnv;
           packages = [
@@ -109,7 +109,7 @@
           inherit shellHook;
         };
         dsh-overlay-dmd-dub = mkShell {
-          name = "overlay - dmd-2.110.0 - dub-1.38.1 - dtools-2.103.1";
+          name = "overlay - dmd-2.111.0 - dub-1.40.0 - dtools-2.110.0";
           inherit shell;
           inherit devEnv;
           packages = [
@@ -121,7 +121,7 @@
           inherit shellHook;
         };
         dsh-overlay-dtest-tilix = mkShell {
-          name = "overlay - ldc-1.40.1 - dub-1.38.1 - tilix - gtkd";
+          name = "overlay - ldc-1.41.0 - dub-1.40.0 - tilix - gtkd";
           inherit shell;
           inherit devEnv;
           packages = [
diff --git a/nix-overlays/dmd/default.nix b/nix-overlays/dmd/default.nix
index 69a9f75..8375c13 100644
--- a/nix-overlays/dmd/default.nix
+++ b/nix-overlays/dmd/default.nix
@@ -1,5 +1 @@
-import ./generic.nix {
-  version = "2.110.0";
-  dmdHash = "sha256-icXp9xWF2AI2gp7z/lQFAChmXfQePe9b5pbpQ9Mn19Y=";
-  phobosHash = "sha256-CmJpcHM+sIsaYBlpALCFoQFG+93s8gUyWmM0tYqjXkk=";
-}
+import ./package.nix
diff --git a/nix-overlays/dmd/generic.nix b/nix-overlays/dmd/generic.nix
index 22f7fa8..59a781e 100644
--- a/nix-overlays/dmd/generic.nix
+++ b/nix-overlays/dmd/generic.nix
@@ -1,28 +1,30 @@
-{ version
-, dmdHash
-, phobosHash
+{
+  version,
+  dmdHash,
+  phobosHash,
 }:
 
-{ stdenv
-, lib
-, fetchFromGitHub
-, removeReferencesTo
-, makeWrapper
-, which
-, writeTextFile
-, curl
-, tzdata
-, gdb
-#, Foundation
-, callPackage
-, targetPackages
-, fetchpatch
-, bash
-, installShellFiles
-, git
-, unzip
-, dmdBootstrap ? callPackage ./bootstrap.nix { }
-, dmdBin ? "${dmdBootstrap}/bin"
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  removeReferencesTo,
+  makeWrapper,
+  which,
+  writeTextFile,
+  curl,
+  tzdata,
+  gdb,
+  # Foundation,
+  callPackage,
+  targetPackages,
+  fetchpatch,
+  bash,
+  installShellFiles,
+  git,
+  unzip,
+  dmdBootstrap ? callPackage ./bootstrap.nix { },
+  dmdBin ? "${dmdBootstrap}/bin",
 }:
 
 let
@@ -36,11 +38,8 @@ let
   };
 
   bits = builtins.toString stdenv.hostPlatform.parsed.cpu.bits;
-  osname =
-    if stdenv.hostPlatform.isDarwin then
-      "osx"
-    else
-      stdenv.hostPlatform.parsed.kernel.name;
+  osname = if stdenv.hostPlatform.isDarwin then "osx"
+    else stdenv.hostPlatform.parsed.kernel.name;
 
   pathToDmd = "\${NIX_BUILD_TOP}/dmd/generated/${osname}/release/${bits}/dmd";
 in
@@ -97,7 +96,9 @@ stdenv.mkDerivation (finalAttrs: {
     rm dmd/compiler/test/runnable/gdb4149.d
     rm dmd/compiler/test/runnable/gdb4181.d
     rm dmd/compiler/test/compilable/ddocYear.d
-    rm dmd/compiler/test/fail_compilation/needspkgmod.d
+    rm dmd/compiler/test/compilable/sarif_success_test.d
+    rm dmd/compiler/test/fail_compilation/sarif_test.d
+    rm dmd/compiler/test/fail_compilation/sarifmultiple_test.d
 
     # Disable tests that rely on objdump whitespace until fixed upstream:
     #   https://issues.dlang.org/show_bug.cgi?id=23317
@@ -109,9 +110,9 @@ stdenv.mkDerivation (finalAttrs: {
     substituteInPlace dmd/compiler/test/dshell/test6952.d --replace-fail "/usr/bin/env bash" "${bash}/bin/bash"
   '' + lib.optionalString stdenv.hostPlatform.isLinux ''
     substituteInPlace phobos/std/socket.d --replace-fail "assert(ih.addrList[0] == 0x7F_00_00_01);" ""
-  '' + lib.optionalString stdenv.hostPlatform.isDarwin ''
-    substituteInPlace phobos/std/socket.d --replace-fail "foreach (name; names)" "names = []; foreach (name; names)"
-  '';
+  ''; # + lib.optionalString stdenv.hostPlatform.isDarwin ''
+  #  substituteInPlace phobos/std/socket.d --replace-fail "foreach (name; names)" "names = []; foreach (name; names)"
+  #'';
 
   nativeBuildInputs = [
     makeWrapper
diff --git a/nix-overlays/dmd/package.nix b/nix-overlays/dmd/package.nix
new file mode 100644
index 0000000..3aa1183
--- /dev/null
+++ b/nix-overlays/dmd/package.nix
@@ -0,0 +1,5 @@
+import ./generic.nix {
+  version = "2.111.0";
+  dmdHash = "sha256-2bjsGa9nTny818dLRV6LKkes+Ycq8W+PFjwhGVrD5TM=";
+  phobosHash = "sha256-9jySZbODoL8sULhYKj/l4+c/uiG5xY2dO240k9XQtPk=";
+}
diff --git a/nix-overlays/dtools/default.nix b/nix-overlays/dtools/default.nix
index d605e4d..8375c13 100644
--- a/nix-overlays/dtools/default.nix
+++ b/nix-overlays/dtools/default.nix
@@ -1,51 +1 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, ldc, curl, gnumake42 }:
-
-stdenv.mkDerivation rec {
-  pname = "dtools";
-  version = "2.103.1";
-
-  src = fetchFromGitHub {
-    owner = "dlang";
-    repo = "tools";
-    rev = "v${version}";
-    sha256 = "sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=";
-    name = "dtools";
-  };
-
-  patches = [
-    (fetchpatch {
-      # part of https://github.com/dlang/tools/pull/441
-      url = "https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch"; # Fix LDC arm64 build
-      sha256 = "sha256-x6EclTYN1Y5FG57KLhbBK0BZicSYcZoWO7MTVcP4T18=";
-    })
-  ];
-
-  nativeBuildInputs = [ ldc gnumake42 ]; # fails with make 4.4
-  buildInputs = [ curl ];
-
-  makeCmd = ''
-    make -f posix.mak all DMD_DIR=dmd DMD=${ldc.out}/bin/ldmd2 CC=${stdenv.cc}/bin/cc
-  '';
-
-  buildPhase = ''
-    $makeCmd
-  '';
-
-  doCheck = true;
-
-  checkPhase = ''
-      $makeCmd test_rdmd
-    '';
-
-  installPhase = ''
-      $makeCmd INSTALL_DIR=$out install
-  '';
-
-  meta = with lib; {
-    description = "Ancillary tools for the D programming language compiler";
-    homepage = "https://github.com/dlang/tools";
-    license = lib.licenses.boost;
-    maintainers = with maintainers; [ ThomasMader ];
-    platforms = lib.platforms.unix;
-  };
-}
+import ./package.nix
diff --git a/nix-overlays/dtools/disabled-tests.diff b/nix-overlays/dtools/disabled-tests.diff
new file mode 100644
index 0000000..a22825a
--- /dev/null
+++ b/nix-overlays/dtools/disabled-tests.diff
@@ -0,0 +1,11 @@
+--- a/rdmd_test.d
++++ b/rdmd_test.d
+@@ -616,7 +616,7 @@ void runTests(string rdmdApp, string compiler, string model)
+         enforce(res.status == 1, res.output);
+     }
+ 
+-    version (Posix)
++    version (none)
+     {
+         import std.conv : to;
+         auto makeVersion = execute(["make", "--version"]).output.splitLines()[0];
diff --git a/nix-overlays/dtools/fix-ldc-arm64.diff b/nix-overlays/dtools/fix-ldc-arm64.diff
new file mode 100644
index 0000000..66eaa22
--- /dev/null
+++ b/nix-overlays/dtools/fix-ldc-arm64.diff
@@ -0,0 +1,102 @@
+Adapted from https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch
+--- /dev/null
++++ b/osmodel.mak
+@@ -0,0 +1,75 @@
++#   osmodel.mak
++#
++# Detects and sets the macros:
++#
++#   OS         = one of {osx,linux,freebsd,openbsd,netbsd,dragonflybsd,solaris}
++#   MODEL      = one of { 32, 64 }
++#   MODEL_FLAG = one of { -m32, -m64 }
++#   ARCH       = one of { x86, x86_64, aarch64 }
++#
++# Note:
++#   Keep this file in sync between druntime, phobos, and dmd repositories!
++# Source: https://github.com/dlang/dmd/blob/master/src/osmodel.mak
++
++
++ifeq (,$(OS))
++  uname_S:=$(shell uname -s)
++  ifeq (Darwin,$(uname_S))
++    OS:=osx
++  endif
++  ifeq (Linux,$(uname_S))
++    OS:=linux
++  endif
++  ifeq (FreeBSD,$(uname_S))
++    OS:=freebsd
++  endif
++  ifeq (OpenBSD,$(uname_S))
++    OS:=openbsd
++  endif
++  ifeq (NetBSD,$(uname_S))
++    OS:=netbsd
++  endif
++  ifeq (DragonFly,$(uname_S))
++    OS:=dragonflybsd
++  endif
++  ifeq (Solaris,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (SunOS,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (,$(OS))
++    $(error Unrecognized or unsupported OS for uname: $(uname_S))
++  endif
++endif
++
++# When running make from XCode it may set environment var OS=MACOS.
++# Adjust it here:
++ifeq (MACOS,$(OS))
++  OS:=osx
++endif
++
++ifeq (,$(MODEL))
++  ifeq ($(OS), solaris)
++    uname_M:=$(shell isainfo -n)
++  else
++    uname_M:=$(shell uname -m)
++  endif
++  ifneq (,$(findstring $(uname_M),x86_64 amd64))
++    MODEL:=64
++    ARCH:=x86_64
++  endif
++  ifneq (,$(findstring $(uname_M),aarch64 arm64))
++    MODEL:=64
++    ARCH:=aarch64
++  endif
++  ifneq (,$(findstring $(uname_M),i386 i586 i686))
++    MODEL:=32
++    ARCH:=x86
++  endif
++  ifeq (,$(MODEL))
++    $(error Cannot figure 32/64 model and arch from uname -m: $(uname_M))
++  endif
++endif
++
++MODEL_FLAG:=-m$(MODEL)
+--- a/Makefile
++++ b/Makefile
+@@ -9,9 +9,8 @@ DUB=dub
+ WITH_DOC = no
+ DOC = ../dlang.org
+ 
+-# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile from dmd
+-$(shell [ ! -d $(DMD_DIR) ] && git clone --depth=1 https://github.com/dlang/dmd $(DMD_DIR))
+-include $(DMD_DIR)/compiler/src/osmodel.mak
++# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile
++include osmodel.mak
+ 
+ ifeq (windows,$(OS))
+     DOTEXE:=.exe
+@@ -30,7 +29,7 @@ DFLAGS = $(MODEL_FLAG) $(if $(findstring windows,$(OS)),,-fPIC) -preview=dip1000
+ DFLAGS += $(WARNINGS)
+ 
+ # Default DUB flags (DUB uses a different architecture format)
+-DUBFLAGS = --arch=$(subst 32,x86,$(subst 64,x86_64,$(MODEL)))
++DUBFLAGS = --arch=$(ARCH)
+ 
+ TOOLS = \
+     $(ROOT)/catdoc$(DOTEXE) \
diff --git a/nix-overlays/dtools/package.nix b/nix-overlays/dtools/package.nix
new file mode 100644
index 0000000..2e72b44
--- /dev/null
+++ b/nix-overlays/dtools/package.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  ldc,
+  curl,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "dtools";
+  version = "2.110.0";
+
+  src = fetchFromGitHub {
+    owner = "dlang";
+    repo = "tools";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-xMEHnrstL5hAkhp8+/z1I2KZWZ7eztWZnUGLTKCfbBI=";
+    name = "dtools";
+  };
+
+  patches = [
+    # Disable failing tests
+    ./disabled-tests.diff
+    # Fix LDC arm64 build
+    ./fix-ldc-arm64.diff
+  ];
+
+  nativeBuildInputs = [ ldc ];
+  buildInputs = [ curl ];
+
+  makeFlags = [
+    "CC=${stdenv.cc}/bin/cc"
+    "DMD=${ldc.out}/bin/ldmd2"
+    "INSTALL_DIR=$(out)"
+  ];
+
+  enableParallelBuilding = true;
+
+  doCheck = true;
+  checkTarget = "test_rdmd";
+
+  meta = with lib; {
+    description = "Ancillary tools for the D programming language";
+    homepage = "https://github.com/dlang/tools";
+    license = licenses.boost;
+    maintainers = with maintainers; [ jtbx ];
+    platforms = platforms.unix;
+  };
+})
diff --git a/nix-overlays/dub/package.nix b/nix-overlays/dub/package.nix
index f13adec..4d63f2d 100644
--- a/nix-overlays/dub/package.nix
+++ b/nix-overlays/dub/package.nix
@@ -1,18 +1,19 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, curl
-, ldc
-, dcompiler ? ldc
-, libevent
-, rsync
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  curl,
+  ldc,
+  dcompiler ? ldc,
+  libevent,
+  rsync,
 }:
 
 assert dcompiler != null;
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "dub";
-  version = "1.38.1";
+  version = "1.40.0";
 
   enableParallelBuilding = true;
 
@@ -20,7 +21,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "dlang";
     repo = "dub";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-8Lr/0sx4SKwU1aNOxZArta0RXpDM+EWl29ZsPDdPWFo=";
+    hash = "sha256-OirchEKf66gis70gCSTOYcrHLyHhCsyt/rTEGT83Vcc=";
   };
 
   postPatch = ''
@@ -69,6 +70,7 @@ stdenv.mkDerivation (finalAttrs: {
     rm -rf test/pr2642-cache-db # added to build v1.34.0
     rm -rf test/pr2644-describe-artifact-path # added to build v1.36.0
     rm -rf test/pr2647-build-deep # added to build v1.36.0
+    rm -rf test/issue2698-cimportpaths-broken-with-dmd-ldc # added to build v1.40.0
 
     ./test/run-unittest.sh
     runHook postCheck
diff --git a/nix-overlays/ldc/bootstrap.nix b/nix-overlays/ldc/bootstrap.nix
index d81e5a4..f166568 100644
--- a/nix-overlays/ldc/bootstrap.nix
+++ b/nix-overlays/ldc/bootstrap.nix
@@ -1,16 +1,25 @@
-{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2 }:
+{
+  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";
+  version = "1.41.0";
   hashes = {
-    # 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=";
+    # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.41.0/ldc2-1.41.0-osx-x86_64.tar.xz` etc..
+    osx-x86_64 = "sha256-W8/0i2PFakXbqs2wxb3cjqa+htSgx7LHyDGOBH9yEYE=";
+    linux-x86_64 = "sha256-SkOUV/D+WeadAv1rV1Sfw8h60PVa2fueQlB7b44yfI8=";
+    linux-aarch64 = "sha256-HEuVChPVM3ntT1ZDZsJ+xW1iYeIWhogNcMdIaz6Me6g=";
+    osx-arm64 = "sha256-FXJnBC8QsEchBhkxSqcZtPC/iHYB6TscY0qh7LPFRuQ=";
   };
 in stdenv.mkDerivation {
   pname = "ldc-bootstrap";
diff --git a/nix-overlays/ldc/package.nix b/nix-overlays/ldc/package.nix
index 69a6457..1767785 100644
--- a/nix-overlays/ldc/package.nix
+++ b/nix-overlays/ldc/package.nix
@@ -1,26 +1,28 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, cmake
-, ninja
-, llvm_19
-, curl
-, tzdata
-, lit
-, gdb
-, unzip
-, darwin
-, callPackage
-, makeWrapper
-, runCommand
-, writeText
-, targetPackages
-
-, ldcBootstrap ? callPackage ./bootstrap.nix { }
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  callPackage,
+  makeWrapper,
+  removeReferencesTo,
+  runCommand,
+  writeText,
+  targetPackages,
+  cmake,
+  ninja,
+  llvm_20,
+  curl,
+  tzdata,
+  lit,
+  gdb,
+  unzip,
+
+  ldcBootstrap ? callPackage ./bootstrap.nix { },
 }:
 
 let
-  pathConfig = runCommand "ldc-lib-paths" {} ''
+  pathConfig = runCommand "ldc-lib-paths" { } ''
     mkdir $out
     echo ${tzdata}/share/zoneinfo/ > $out/TZDatabaseDirFile
     echo ${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary} > $out/LibcurlPathFile
@@ -30,13 +32,13 @@ in
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "ldc";
-  version = "1.40.1";
+  version = "1.41.0";
 
   src = fetchFromGitHub {
     owner = "ldc-developers";
     repo = "ldc";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-WdnwdH25A5oMNNY3uWG2hxnaAT+S1hNuP7LElH3uuuk=";
+    hash = "sha256-6LcpY3LSFK4KgEiGrFp/LONu5Vr+/+vI04wEEpF3s+s=";
     fetchSubmodules = true;
   };
 
@@ -62,9 +64,7 @@ stdenv.mkDerivation (finalAttrs: {
   '';
 
   nativeBuildInputs = [
-    cmake ldcBootstrap lit lit.python llvm_19.dev makeWrapper ninja unzip
-  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
-    darwin.apple_sdk.frameworks.Foundation
+    cmake ldcBootstrap lit lit.python llvm_20.dev makeWrapper ninja unzip
   ] ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
     # https://github.com/NixOS/nixpkgs/pull/36378#issuecomment-385034818
     gdb
@@ -106,8 +106,7 @@ stdenv.mkDerivation (finalAttrs: {
   '';
 
   # https://github.com/ldc-developers/ldc/issues/2497#issuecomment-459633746
-  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin
-    "|druntime-test-shared";
+  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin "|druntime-test-shared";
 
   checkPhase = ''
     # Build default lib test runners
@@ -135,6 +134,12 @@ stdenv.mkDerivation (finalAttrs: {
       --set-default CC ${targetPackages.stdenv.cc}/bin/cc
   '';
 
+  preFixup = ''
+    find $out/bin -type f -exec ${removeReferencesTo}/bin/remove-references-to -t ${ldcBootstrap} '{}' +
+  '';
+
+  disallowedReferences = [ ldcBootstrap ];
+
   meta = with lib; {
     description = "LLVM-based D compiler";
     homepage = "https://github.com/ldc-developers/ldc";
@@ -147,34 +152,35 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   passthru.ldcBootstrap = ldcBootstrap;
-  passthru.tests = let
-    ldc = finalAttrs.finalPackage;
-    helloWorld = stdenv.mkDerivation (finalAttrs: {
-      name = "ldc-hello-world";
-      src = writeText "hello_world.d" ''
-        module hello_world;
-        import std.stdio;
-        void main() {
-          writeln("Hello, world!");
-        }
-      '';
-      dontUnpack = true;
-      buildInputs = [ ldc ];
-      dFlags = [];
-      buildPhase = ''
-        ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
-      '';
-      installPhase = ''
-        mkdir -p $out/bin
-        mv test $out/bin
-      '';
-    });
-  in {
-    # Without -shared, built binaries should not contain
-    # references to the compiler binaries.
-    no-references-to-compiler = helloWorld.overrideAttrs {
-      disallowedReferences = [ ldc ];
-      dFlags = ["-g"];
+  passthru.tests =
+    let
+      ldc = finalAttrs.finalPackage;
+      helloWorld = stdenv.mkDerivation (finalAttrs: {
+        name = "ldc-hello-world";
+        src = writeText "hello_world.d" ''
+          module hello_world;
+          import std.stdio;
+          void main() {
+            writeln("Hello, world!");
+          }
+        '';
+        dontUnpack = true;
+        buildInputs = [ ldc ];
+        dFlags = [ ];
+        buildPhase = ''
+          ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
+        '';
+        installPhase = ''
+          mkdir -p $out/bin
+          mv test $out/bin
+        '';
+      });
+    in {
+      # Without -shared, built binaries should not contain
+      # references to the compiler binaries.
+      no-references-to-compiler = helloWorld.overrideAttrs {
+        disallowedReferences = [ ldc ];
+        dFlags = ["-g"];
     };
   };
 })
diff --git a/org/dlang-nix-flakes.org b/org/dlang-nix-flakes.org
index d975188..c6c68a9 100644
--- a/org/dlang-nix-flakes.org
+++ b/org/dlang-nix-flakes.org
@@ -21,9 +21,12 @@
 
 - https://github.com/nix-community/nix-direnv/releases
 - https://github.com/dlang/dmd/tags
+  https://code.dlang.org/packages/dmd
 - https://github.com/ldc-developers/ldc/releases
 - https://github.com/dlang/dub/releases
+  https://code.dlang.org/packages/dub
 - https://github.com/dlang/tools/tags
+  https://code.dlang.org/packages/dtools
 
 ** README
 
@@ -35,7 +38,7 @@
 ,#+FILETAGS:    :dlang:build:tools:
 ,#+AUTHOR:      Ralph Amissah
 ,#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-,#+COPYRIGHT:   Copyright (C) 2022 - 2024 Ralph Amissah
+,#+COPYRIGHT:   Copyright (C) 2022 - 2025 Ralph Amissah
 ,#+LANGUAGE:    en
 ,#+STARTUP:     content hideblocks hidestars noindent entitiespretty
 
@@ -599,45 +602,43 @@ pkgs.callPackage ./shell.nix {}
 - version in nixpkgs:
   - https://search.nixos.org/packages?channel=unstable&show=ldc&from=0&size=100&sort=relevance&type=packages&query=ldc
 
-**** notes
-
-- OK ldc 1.32.2 tested
-
-*** overlays
-**** default.nix OK ✓
+*** overlays OK ✓
+**** default.nix
 
 #+HEADER: :tangle "../nix-overlays/ldc/default.nix"
 #+BEGIN_SRC nix
 import ./package.nix
 #+END_SRC
 
-**** package.nix OK ✓ (unaltered)
+**** package.nix OK ✓
 
 #+HEADER: :tangle "../nix-overlays/ldc/package.nix"
 #+BEGIN_SRC nix
-{ lib
-, stdenv
-, fetchFromGitHub
-, cmake
-, ninja
-, <<ldc_llvm_set>>
-, curl
-, tzdata
-, lit
-, gdb
-, unzip
-, darwin
-, callPackage
-, makeWrapper
-, runCommand
-, writeText
-, targetPackages
-
-, ldcBootstrap ? callPackage ./bootstrap.nix { }
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  callPackage,
+  makeWrapper,
+  removeReferencesTo,
+  runCommand,
+  writeText,
+  targetPackages,
+  cmake,
+  ninja,
+  <<ldc_llvm_set>>,
+  curl,
+  tzdata,
+  lit,
+  gdb,
+  unzip,
+
+  ldcBootstrap ? callPackage ./bootstrap.nix { },
 }:
 
 let
-  pathConfig = runCommand "ldc-lib-paths" {} ''
+  pathConfig = runCommand "ldc-lib-paths" { } ''
     mkdir $out
     echo ${tzdata}/share/zoneinfo/ > $out/TZDatabaseDirFile
     echo ${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary} > $out/LibcurlPathFile
@@ -680,8 +681,6 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     cmake ldcBootstrap lit lit.python <<ldc_llvm_set>>.dev makeWrapper ninja unzip
-  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
-    darwin.apple_sdk.frameworks.Foundation
   ] ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
     # https://github.com/NixOS/nixpkgs/pull/36378#issuecomment-385034818
     gdb
@@ -723,8 +722,7 @@ stdenv.mkDerivation (finalAttrs: {
   '';
 
   # https://github.com/ldc-developers/ldc/issues/2497#issuecomment-459633746
-  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin
-    "|druntime-test-shared";
+  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin "|druntime-test-shared";
 
   checkPhase = ''
     # Build default lib test runners
@@ -752,6 +750,12 @@ stdenv.mkDerivation (finalAttrs: {
       --set-default CC ${targetPackages.stdenv.cc}/bin/cc
   '';
 
+  preFixup = ''
+    find $out/bin -type f -exec ${removeReferencesTo}/bin/remove-references-to -t ${ldcBootstrap} '{}' +
+  '';
+
+  disallowedReferences = [ ldcBootstrap ];
+
   meta = with lib; {
     description = "LLVM-based D compiler";
     homepage = "https://github.com/ldc-developers/ldc";
@@ -764,34 +768,35 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   passthru.ldcBootstrap = ldcBootstrap;
-  passthru.tests = let
-    ldc = finalAttrs.finalPackage;
-    helloWorld = stdenv.mkDerivation (finalAttrs: {
-      name = "ldc-hello-world";
-      src = writeText "hello_world.d" ''
-        module hello_world;
-        import std.stdio;
-        void main() {
-          writeln("Hello, world!");
-        }
-      '';
-      dontUnpack = true;
-      buildInputs = [ ldc ];
-      dFlags = [];
-      buildPhase = ''
-        ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
-      '';
-      installPhase = ''
-        mkdir -p $out/bin
-        mv test $out/bin
-      '';
-    });
-  in {
-    # Without -shared, built binaries should not contain
-    # references to the compiler binaries.
-    no-references-to-compiler = helloWorld.overrideAttrs {
-      disallowedReferences = [ ldc ];
-      dFlags = ["-g"];
+  passthru.tests =
+    let
+      ldc = finalAttrs.finalPackage;
+      helloWorld = stdenv.mkDerivation (finalAttrs: {
+        name = "ldc-hello-world";
+        src = writeText "hello_world.d" ''
+          module hello_world;
+          import std.stdio;
+          void main() {
+            writeln("Hello, world!");
+          }
+        '';
+        dontUnpack = true;
+        buildInputs = [ ldc ];
+        dFlags = [ ];
+        buildPhase = ''
+          ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
+        '';
+        installPhase = ''
+          mkdir -p $out/bin
+          mv test $out/bin
+        '';
+      });
+    in {
+      # Without -shared, built binaries should not contain
+      # references to the compiler binaries.
+      no-references-to-compiler = helloWorld.overrideAttrs {
+        disallowedReferences = [ ldc ];
+        dFlags = ["-g"];
     };
   };
 })
@@ -803,13 +808,22 @@ stdenv.mkDerivation (finalAttrs: {
 
 #+HEADER: :tangle "../nix-overlays/ldc/bootstrap.nix"
 #+BEGIN_SRC nix
-{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2 }:
+{
+  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;
-  <<ldc_bootstrap_1-25-0_hashes>>
+  <<ldc_bootstrap_1-41-0_hashes>>
 in stdenv.mkDerivation {
   pname = "ldc-bootstrap";
   inherit version;
@@ -849,17 +863,17 @@ in stdenv.mkDerivation {
 #+END_SRC
 
 ***** bootstrap.nix version SELECT
-****** bootstrap.nix ldc2-1.25.0
+****** bootstrap.nix ldc2-1.41.0
 
-#+NAME: ldc_bootstrap_1-25-0_hashes
+#+NAME: ldc_bootstrap_1-41-0_hashes
 #+BEGIN_SRC nix
-version = "1.25.0";
+version = "1.41.0";
 hashes = {
-  # 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=";
+  # Get these from `nix store prefetch-file https://github.com/ldc-developers/ldc/releases/download/v1.41.0/ldc2-1.41.0-osx-x86_64.tar.xz` etc..
+  osx-x86_64 = "sha256-W8/0i2PFakXbqs2wxb3cjqa+htSgx7LHyDGOBH9yEYE=";
+  linux-x86_64 = "sha256-SkOUV/D+WeadAv1rV1Sfw8h60PVa2fueQlB7b44yfI8=";
+  linux-aarch64 = "sha256-HEuVChPVM3ntT1ZDZsJ+xW1iYeIWhogNcMdIaz6Me6g=";
+  osx-arm64 = "sha256-FXJnBC8QsEchBhkxSqcZtPC/iHYB6TscY0qh7LPFRuQ=";
 };
 #+END_SRC
 
@@ -877,6 +891,20 @@ hashes = {
 };
 #+END_SRC
 
+****** bootstrap.nix ldc2-1.25.0
+
+#+NAME: ldc_bootstrap_1-25-0_hashes
+#+BEGIN_SRC nix
+version = "1.25.0";
+hashes = {
+  # 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=";
+};
+#+END_SRC
+
 ** dmd OK ✓
 *** info
 **** links
@@ -891,18 +919,19 @@ hashes = {
 - version in nixpkgs:
   - https://search.nixos.org/packages?channel=unstable&show=dmd&from=0&size=100&sort=relevance&type=packages&query=dmd
 
-**** notes KO ✗
-
-- dmd nixpkg modified and appears to build ok
-
-- ISSUES dmd on nixos FAILS to build (my working projects), appears not to find parts of itself
-
 *** overlays
 **** default.nix
-***** default.nix  >=2.108.0)
 
 #+HEADER: :tangle "../nix-overlays/dmd/default.nix"
 #+BEGIN_SRC nix
+import ./package.nix
+#+END_SRC
+
+**** package.nix OK ✓
+***** package.nix  >=2.108.0)
+
+#+HEADER: :tangle "../nix-overlays/dmd/package.nix"
+#+BEGIN_SRC nix
 import ./generic.nix {
   version = "<<dmd_version>>";
   dmdHash = "<<dmd_hash>>";
@@ -910,10 +939,9 @@ import ./generic.nix {
 }
 #+END_SRC
 
-***** default.nix  < 2.108.0)
-
+***** package.nix  < 2.108.0)
 
-#+HEADER: :tangle-NO "../nix-overlays/dmd/default.nix"
+#+HEADER: :tangle-NO "../nix-overlays/dmd/package.nix"
 #+BEGIN_SRC nix
 import ./generic.nix {
   version = "<<dmd_version>>";
@@ -926,31 +954,33 @@ import ./generic.nix {
 
 #+HEADER: :tangle "../nix-overlays/dmd/generic.nix"
 #+BEGIN_SRC nix
-{ version
-, dmdHash
-, phobosHash
+{
+  version,
+  dmdHash,
+  phobosHash,
 }:
 
-{ stdenv
-, lib
-, fetchFromGitHub
-, removeReferencesTo
-, makeWrapper
-, which
-, writeTextFile
-, curl
-, tzdata
-, gdb
-#, Foundation
-, callPackage
-, targetPackages
-, fetchpatch
-, bash
-, installShellFiles
-, git
-, unzip
-, dmdBootstrap ? callPackage ./bootstrap.nix { }
-, dmdBin ? "${dmdBootstrap}/bin"
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  removeReferencesTo,
+  makeWrapper,
+  which,
+  writeTextFile,
+  curl,
+  tzdata,
+  gdb,
+  # Foundation,
+  callPackage,
+  targetPackages,
+  fetchpatch,
+  bash,
+  installShellFiles,
+  git,
+  unzip,
+  dmdBootstrap ? callPackage ./bootstrap.nix { },
+  dmdBin ? "${dmdBootstrap}/bin",
 }:
 
 let
@@ -964,11 +994,8 @@ let
   };
 
   bits = builtins.toString stdenv.hostPlatform.parsed.cpu.bits;
-  osname =
-    if stdenv.hostPlatform.isDarwin then
-      "osx"
-    else
-      stdenv.hostPlatform.parsed.kernel.name;
+  osname = if stdenv.hostPlatform.isDarwin then "osx"
+    else stdenv.hostPlatform.parsed.kernel.name;
 
   pathToDmd = "\${NIX_BUILD_TOP}/dmd/generated/${osname}/release/${bits}/dmd";
 in
@@ -1025,7 +1052,9 @@ stdenv.mkDerivation (finalAttrs: {
     rm dmd/compiler/test/runnable/gdb4149.d
     rm dmd/compiler/test/runnable/gdb4181.d
     rm dmd/compiler/test/compilable/ddocYear.d
-    rm dmd/compiler/test/fail_compilation/needspkgmod.d
+    rm dmd/compiler/test/compilable/sarif_success_test.d
+    rm dmd/compiler/test/fail_compilation/sarif_test.d
+    rm dmd/compiler/test/fail_compilation/sarifmultiple_test.d
 
     # Disable tests that rely on objdump whitespace until fixed upstream:
     #   https://issues.dlang.org/show_bug.cgi?id=23317
@@ -1037,9 +1066,9 @@ stdenv.mkDerivation (finalAttrs: {
     substituteInPlace dmd/compiler/test/dshell/test6952.d --replace-fail "/usr/bin/env bash" "${bash}/bin/bash"
   '' + lib.optionalString stdenv.hostPlatform.isLinux ''
     substituteInPlace phobos/std/socket.d --replace-fail "assert(ih.addrList[0] == 0x7F_00_00_01);" ""
-  '' + lib.optionalString stdenv.hostPlatform.isDarwin ''
-    substituteInPlace phobos/std/socket.d --replace-fail "foreach (name; names)" "names = []; foreach (name; names)"
-  '';
+  ''; # + lib.optionalString stdenv.hostPlatform.isDarwin ''
+  #  substituteInPlace phobos/std/socket.d --replace-fail "foreach (name; names)" "names = []; foreach (name; names)"
+  #'';
 
   nativeBuildInputs = [
     makeWrapper
@@ -1269,37 +1298,27 @@ stdenv.mkDerivation {
 - version in nixpkgs:
   - https://search.nixos.org/packages?channel=unstable&show=dub&from=0&size=100&sort=relevance&type=packages&query=dub
 
-**** notes
-
-- OK dub == current OK ✓
-
-- NOTES for dub 1.33.0 >= 1.31.0 KO ✗
-  - dub builds test tilix which calls in gtkd
-  - ISSUES dub FAILS to build project from local disk that has built without issue
-    since dub v1.23.0
-    - BROKEN breaks on subproject ends up in nix: Error /homeless-shelter:
-      Permission denied
-
-- OK dub == 1.30.0 OK ✓
-
 *** overlays
-**** default.nix OK ✓
+**** default.nix
 
 #+HEADER: :tangle "../nix-overlays/dub/default.nix"
 #+BEGIN_SRC nix
 import ./package.nix
 #+END_SRC
 
+**** package.nix OK ✓
+
 #+HEADER: :tangle "../nix-overlays/dub/package.nix"
 #+BEGIN_SRC nix
-{ lib
-, stdenv
-, fetchFromGitHub
-, curl
-, <<dcompiler>>
-, dcompiler ? <<dcompiler>>
-, libevent
-, rsync
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  curl,
+  <<dcompiler>>,
+  dcompiler ? <<dcompiler>>,
+  libevent,
+  rsync,
 }:
 
 assert dcompiler != null;
@@ -1363,6 +1382,7 @@ stdenv.mkDerivation (finalAttrs: {
     rm -rf test/pr2642-cache-db # added to build v1.34.0
     rm -rf test/pr2644-describe-artifact-path # added to build v1.36.0
     rm -rf test/pr2647-build-deep # added to build v1.36.0
+    rm -rf test/issue2698-cimportpaths-broken-with-dmd-ldc # added to build v1.40.0
 
     ./test/run-unittest.sh
     runHook postCheck
@@ -1385,7 +1405,7 @@ stdenv.mkDerivation (finalAttrs: {
 })
 #+END_SRC
 
-*** dcompiler SET
+*** dcompiler
 
 #+NAME: dcompiler
 #+BEGIN_SRC nix
@@ -1419,62 +1439,188 @@ dmd
 
 #+HEADER: :tangle "../nix-overlays/dtools/default.nix"
 #+BEGIN_SRC nix
-{ stdenv, lib, fetchFromGitHub, fetchpatch, ldc, curl, gnumake42 }:
+import ./package.nix
+#+END_SRC
 
-stdenv.mkDerivation rec {
+**** package.nix
+
+#+HEADER: :tangle "../nix-overlays/dtools/package.nix"
+#+BEGIN_SRC nix
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  ldc,
+  curl,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
   pname = "dtools";
   version = "<<dtools_version>>";
 
   src = fetchFromGitHub {
     owner = "dlang";
     repo = "tools";
-    rev = "v${version}";
-    sha256 = "<<dtools_hash>>";
+    rev = "v${finalAttrs.version}";
+    hash = "<<dtools_hash>>";
     name = "dtools";
   };
 
   patches = [
-    (fetchpatch {
-      # part of https://github.com/dlang/tools/pull/441
-      url = "https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch"; # Fix LDC arm64 build
-      sha256 = "sha256-x6EclTYN1Y5FG57KLhbBK0BZicSYcZoWO7MTVcP4T18=";
-    })
+    # Disable failing tests
+    ./disabled-tests.diff
+    # Fix LDC arm64 build
+    ./fix-ldc-arm64.diff
   ];
 
-  nativeBuildInputs = [ ldc gnumake42 ]; # fails with make 4.4
+  nativeBuildInputs = [ ldc ];
   buildInputs = [ curl ];
 
-  makeCmd = ''
-    make -f posix.mak all DMD_DIR=dmd DMD=${ldc.out}/bin/ldmd2 CC=${stdenv.cc}/bin/cc
-  '';
+  makeFlags = [
+    "CC=${stdenv.cc}/bin/cc"
+    "DMD=${ldc.out}/bin/ldmd2"
+    "INSTALL_DIR=$(out)"
+  ];
 
-  buildPhase = ''
-    $makeCmd
-  '';
+  enableParallelBuilding = true;
 
   doCheck = true;
-
-  checkPhase = ''
-      $makeCmd test_rdmd
-    '';
-
-  installPhase = ''
-      $makeCmd INSTALL_DIR=$out install
-  '';
+  checkTarget = "test_rdmd";
 
   meta = with lib; {
-    description = "Ancillary tools for the D programming language compiler";
+    description = "Ancillary tools for the D programming language";
     homepage = "https://github.com/dlang/tools";
-    license = lib.licenses.boost;
-    maintainers = with maintainers; [ ThomasMader ];
-    platforms = lib.platforms.unix;
+    license = licenses.boost;
+    maintainers = with maintainers; [ jtbx ];
+    platforms = platforms.unix;
   };
-}
+})
+#+END_SRC
+
+#+HEADER: :tangle "../nix-overlays/dtools/disabled-tests.diff"
+#+BEGIN_SRC diff
+--- a/rdmd_test.d
++++ b/rdmd_test.d
+@@ -616,7 +616,7 @@ void runTests(string rdmdApp, string compiler, string model)
+         enforce(res.status == 1, res.output);
+     }
+ 
+-    version (Posix)
++    version (none)
+     {
+         import std.conv : to;
+         auto makeVersion = execute(["make", "--version"]).output.splitLines()[0];
+#+END_SRC
+
+#+HEADER: :tangle "../nix-overlays/dtools/fix-ldc-arm64.diff"
+#+BEGIN_SRC diff
+Adapted from https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch
+--- /dev/null
++++ b/osmodel.mak
+@@ -0,0 +1,75 @@
++#   osmodel.mak
++#
++# Detects and sets the macros:
++#
++#   OS         = one of {osx,linux,freebsd,openbsd,netbsd,dragonflybsd,solaris}
++#   MODEL      = one of { 32, 64 }
++#   MODEL_FLAG = one of { -m32, -m64 }
++#   ARCH       = one of { x86, x86_64, aarch64 }
++#
++# Note:
++#   Keep this file in sync between druntime, phobos, and dmd repositories!
++# Source: https://github.com/dlang/dmd/blob/master/src/osmodel.mak
++
++
++ifeq (,$(OS))
++  uname_S:=$(shell uname -s)
++  ifeq (Darwin,$(uname_S))
++    OS:=osx
++  endif
++  ifeq (Linux,$(uname_S))
++    OS:=linux
++  endif
++  ifeq (FreeBSD,$(uname_S))
++    OS:=freebsd
++  endif
++  ifeq (OpenBSD,$(uname_S))
++    OS:=openbsd
++  endif
++  ifeq (NetBSD,$(uname_S))
++    OS:=netbsd
++  endif
++  ifeq (DragonFly,$(uname_S))
++    OS:=dragonflybsd
++  endif
++  ifeq (Solaris,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (SunOS,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (,$(OS))
++    $(error Unrecognized or unsupported OS for uname: $(uname_S))
++  endif
++endif
++
++# When running make from XCode it may set environment var OS=MACOS.
++# Adjust it here:
++ifeq (MACOS,$(OS))
++  OS:=osx
++endif
++
++ifeq (,$(MODEL))
++  ifeq ($(OS), solaris)
++    uname_M:=$(shell isainfo -n)
++  else
++    uname_M:=$(shell uname -m)
++  endif
++  ifneq (,$(findstring $(uname_M),x86_64 amd64))
++    MODEL:=64
++    ARCH:=x86_64
++  endif
++  ifneq (,$(findstring $(uname_M),aarch64 arm64))
++    MODEL:=64
++    ARCH:=aarch64
++  endif
++  ifneq (,$(findstring $(uname_M),i386 i586 i686))
++    MODEL:=32
++    ARCH:=x86
++  endif
++  ifeq (,$(MODEL))
++    $(error Cannot figure 32/64 model and arch from uname -m: $(uname_M))
++  endif
++endif
++
++MODEL_FLAG:=-m$(MODEL)
+--- a/Makefile
++++ b/Makefile
+@@ -9,9 +9,8 @@ DUB=dub
+ WITH_DOC = no
+ DOC = ../dlang.org
+ 
+-# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile from dmd
+-$(shell [ ! -d $(DMD_DIR) ] && git clone --depth=1 https://github.com/dlang/dmd $(DMD_DIR))
+-include $(DMD_DIR)/compiler/src/osmodel.mak
++# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile
++include osmodel.mak
+ 
+ ifeq (windows,$(OS))
+     DOTEXE:=.exe
+@@ -30,7 +29,7 @@ DFLAGS = $(MODEL_FLAG) $(if $(findstring windows,$(OS)),,-fPIC) -preview=dip1000
+ DFLAGS += $(WARNINGS)
+ 
+ # Default DUB flags (DUB uses a different architecture format)
+-DUBFLAGS = --arch=$(subst 32,x86,$(subst 64,x86_64,$(MODEL)))
++DUBFLAGS = --arch=$(ARCH)
+ 
+ TOOLS = \
+     $(ROOT)/catdoc$(DOTEXE) \
 #+END_SRC
 
-** versions SET
+** versions GET
 *** direnv
-***** select version SET OK ✓
+***** select version
 
 #+NAME: direnv_version
 #+HEADER: :noweb yes
@@ -1495,7 +1641,7 @@ stdenv.mkDerivation rec {
 <<./nix-develop-dlang-shared.org:ldc-version-info()>>
 #+END_SRC
 
-***** select version SET OK ✓
+***** selected version
 
 #+NAME: ldc_version
 #+HEADER: :noweb yes
@@ -1514,6 +1660,7 @@ stdenv.mkDerivation rec {
 #+END_SRC
 
 *** dmd
+**** selected version
 
 #+NAME: dmd_version
 #+HEADER: :noweb yes
@@ -1532,6 +1679,7 @@ stdenv.mkDerivation rec {
 #+END_SRC
 
 *** dub
+**** selected version
 
 #+NAME: dub_version
 #+HEADER: :noweb yes
@@ -1545,6 +1693,7 @@ stdenv.mkDerivation rec {
 #+END_SRC
 
 *** dtools
+**** selected version
 
 #+NAME: dtools_version
 #+HEADER: :noweb yes
@@ -1557,77 +1706,16 @@ stdenv.mkDerivation rec {
 <<./nix-develop-dlang-shared.org:dtools-hash()>>
 #+END_SRC
 
-- https://github.com/dlang/tools
-
-**** selected version SET OK ✓
-
-#+NAME: dtools_version
-#+BEGIN_SRC nix
-<<dtools_version_2_103_1>>
-#+END_SRC
-
-#+NAME: dtools_hash
-#+BEGIN_SRC nix
-<<dtools_hash_2_103_1>>
-#+END_SRC
-
-**** 2.103.1 OK ✓
-
-- https://github.com/dlang/tools/releases/tag/v2.103.1
-
-#+NAME: dtools_version_2_103_1
-#+BEGIN_SRC nix
-2.103.1
-#+END_SRC
-
-#+NAME: dtools_hash_2_103_1
-#+BEGIN_SRC nix
-sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=
-#+END_SRC
-
-**** 2.102.2
-
-- https://github.com/dlang/tools/releases/tag/v2.102.2
-
-#+NAME: dtools_version_2_102_2
-#+BEGIN_SRC nix
-2.102.2
-#+END_SRC
-
-#+NAME: dtools_hash_2_102_2
-#+BEGIN_SRC nix
-sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=
-#+END_SRC
-
-**** 2.095.1 current nixpkgs 20-03-17 OK ✓
-
-- https://github.com/dlang/tools/releases/tag/v2.095.1
-
-#+NAME: dtools_version_2_095_1
-#+BEGIN_SRC nix
-2.095.1
-#+END_SRC
-
-#+NAME: dtools_hash_2_095_1
-#+BEGIN_SRC nix
-sha256:0rdfk3mh3fjrb0h8pr8skwlq6ac9hdl1fkrkdl7n1fa2806b740b
-#+END_SRC
-
 ** sha256 blank_hash
 
 #+NAME: sha256-blank
-#+BEGIN_SRC nix
-sha256-0000000000000000000000000000000000000000000=
+#+BEGIN_SRC emacs-lisp
+<<./nix-develop-dlang-shared.org:sha256-blank()>>
 #+END_SRC
 
 #+NAME: blank_hash
-#+BEGIN_SRC nix
-sha256-0000000000000000000000000000000000000000000=
-#+END_SRC
-
-#+NAME: assumed_hash
-#+BEGIN_SRC nix
-sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
+#+BEGIN_SRC emacs-lisp
+<<./nix-develop-dlang-shared.org:sha256-blank()>>
 #+END_SRC
 
 * __END__
diff --git a/org/nix-develop-dlang-shared.org b/org/nix-develop-dlang-shared.org
index 04a0e82..5c9c631 100644
--- a/org/nix-develop-dlang-shared.org
+++ b/org/nix-develop-dlang-shared.org
@@ -17,20 +17,51 @@
 
 * nix
 ** direnv
+*** NOTES to update direnv in .envrc-nix
+
+- https://github.com/nix-community/nix-direnv
+
+check for latest version:
+
+- https://github.com/nix-community/nix-direnv/releases
+
+update direnv version and sha hash:
+- emacs org/nix-develop-dlang-shared.org
+
+re-tangle file:
+
+- emacs dlang-nix-flakes.org
+  updates: .envrc-nix
+
+update flake.lock:
+- nix flake update && nix flake check && nix flake show
+
 *** version SET
 
 #+NAME: direnv-version
 #+BEGIN_SRC org
-<<direnv_version_3_0_6>>
+<<direnv_version_3_0_7>>
 #+END_SRC
 
 #+NAME: direnv-hash
 #+BEGIN_SRC org
-<<direnv_hash_3_0_6>>
+<<direnv_hash_3_0_7>>
 #+END_SRC
 
 *** versions
 
+**** 3.0.7
+
+#+NAME: direnv_version_3_0_7
+#+BEGIN_SRC org
+3.0.7
+#+END_SRC
+
+#+NAME: direnv_hash_3_0_7
+#+BEGIN_SRC org
+sha256-bn8WANE5a91RusFmRI7kS751ApelG02nMcwRekC/qzc=
+#+END_SRC
+
 **** 3.0.6
 
 #+NAME: direnv_version_3_0_6
@@ -81,6 +112,38 @@ sha256-XQzUAvL6pysIJnRJyR7uVpmUSZfc7LSgWQwq/4mBr1U=
 
 * dlang
 ** ldc
+*** tags link
+
+- https://github.com/ldc-developers/ldc/tags
+
+*** NOTES to update ldc
+
+check for latest version:
+
+update ldc version and sha hash:
+- emacs ./org/nix-develop-dlang-shared.org
+
+re-tangle files:
+- emacs dlang-nix-flakes.org
+  updates: nix-overlays/ldc/package.nix
+  updates: flake.nix
+  updates: .envrc-nix
+
+update flake.lock:
+- nix flake update && nix flake check && nix flake show
+
+build:
+- nix build ".#spine-overlay-ldc" --print-build-logs
+
+adjust nix overlay if required (to get started):
+- git clone --depth 1 https://github.com/NixOS/nixpkgs
+- find ./nixpkgs/pkgs/ -type d -name "ldc"
+  ./nixpkgs/pkgs/by-name/ld/ldc
+- compare with overlay:
+  ./nix-overlays/ldc
+- overlay is tangled from:
+  emacs ./org/nixpkgs_overlays_d_related.org
+
 *** version SET
 **** version & sha256 nix composite
 
@@ -94,20 +157,41 @@ sha256 = "<<ldc-hash>>";
 
 #+NAME: ldc-version
 #+BEGIN_SRC org
-<<ldc_version_1_40_1>>
+<<ldc_version_1_41_0>>
 #+END_SRC
 
 #+NAME: ldc-hash
 #+BEGIN_SRC org
-<<ldc_hash_1_40_1>>
+<<ldc_hash_1_41_0>>
 #+END_SRC
 
 #+NAME: ldc-llvm-set
 #+BEGIN_SRC org
-<<ldc_llvm_set_1_40_1>>
+<<ldc_llvm_set_1_41_0>>
 #+END_SRC
 
 *** versions
+**** 1.41 OK ✓
+***** 1.41.0 OK ✓
+
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.41.0.tar.gz
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
+
+#+NAME: ldc_version_1_41_0
+#+BEGIN_SRC nix
+1.41.0
+#+END_SRC
+
+#+NAME: ldc_hash_1_41_0
+#+BEGIN_SRC nix
+sha256-6LcpY3LSFK4KgEiGrFp/LONu5Vr+/+vI04wEEpF3s+s=
+#+END_SRC
+
+#+NAME: ldc_llvm_set_1_41_0
+#+BEGIN_SRC nix
+llvm_20
+#+END_SRC
+
 **** 1.40 OK ✓
 ***** 1.40.1 OK ✓
 
@@ -242,24 +326,48 @@ sha256-/bs3bwgkLZF5IqaiKnc5gCF/r6MQBG/F1kWUkK8j2s0=
 #+END_SRC
 
 ** dmd
+*** tags link
+
+- https://github.com/dlang/dmd/tags
+
 *** version SET
 
 #+NAME: dmd-version
 #+BEGIN_SRC org
-<<dmd_version_2_110_0>>
+<<dmd_version_2_111_0>>
 #+END_SRC
 
 #+NAME: dmd-hash
 #+BEGIN_SRC org
-<<dmd_hash_2_110_0>>
+<<dmd_hash_2_111_0>>
 #+END_SRC
 
 #+NAME: phobos-hash
 #+BEGIN_SRC org
-<<phobos_hash_2_110_0>>
+<<phobos_hash_2_111_0>>
 #+END_SRC
 
 *** versions
+**** 2.111.0 OK ✓
+
+- nix-prefetch-url --unpack https://github.com/dlang/dmd/archive/refs/tags/v2.111.0.tar.gz
+- nix-prefetch-url --unpack https://github.com/dlang/phobos/archive/refs/tags/v2.111.0.tar.gz
+
+#+NAME: dmd_version_2_111_0
+#+BEGIN_SRC nix
+2.111.0
+#+END_SRC
+
+#+NAME: phobos_hash_2_111_0
+#+BEGIN_SRC nix
+sha256-9jySZbODoL8sULhYKj/l4+c/uiG5xY2dO240k9XQtPk=
+#+END_SRC
+
+#+NAME: dmd_hash_2_111_0
+#+BEGIN_SRC nix
+sha256-2bjsGa9nTny818dLRV6LKkes+Ycq8W+PFjwhGVrD5TM=
+#+END_SRC
+
 **** 2.110.0 OK ✓
 
 - nix-prefetch-url --unpack https://github.com/dlang/dmd/archive/refs/tags/v2.110.0.tar.gz
@@ -396,20 +504,54 @@ sha256-yRL9ub3u4mREG9PVxBvgQ/LDXD57RadPTZ2h08qyh/s=
 #+END_SRC
 
 ** dub
+*** tags link
+
+- https://github.com/dlang/dub/releases
+
 *** version SET
 
 #+NAME: dub-version
 #+HEADER: :noweb yes
 #+BEGIN_SRC org
-<<dub_version_1_38_1>>
+<<dub_version_1_40_0>>
 #+END_SRC
 
 #+NAME: dub-hash
 #+BEGIN_SRC org
-<<dub_hash_1_38_1>>
+<<dub_hash_1_40_0>>
 #+END_SRC
 
 *** versions
+**** 1.40 OK ✓
+***** 1.40.0
+
+- nix-prefetch-url --unpack https://github.com/dlang/dub/archive/refs/tags/v1.40.0.tar.gz
+
+#+NAME: dub_version_1_40_0
+#+BEGIN_SRC nix
+1.40.0
+#+END_SRC
+
+#+NAME: dub_hash_1_40_0
+#+BEGIN_SRC nix
+sha256-OirchEKf66gis70gCSTOYcrHLyHhCsyt/rTEGT83Vcc=
+#+END_SRC
+
+**** 1.39 OK ✓
+***** 1.39.0
+
+- nix-prefetch-url --unpack https://github.com/dlang/dub/archive/refs/tags/v1.39.0.tar.gz
+
+#+NAME: dub_version_1_39_0
+#+BEGIN_SRC nix
+1.39.0
+#+END_SRC
+
+#+NAME: dub_hash_1_39_0
+#+BEGIN_SRC nix
+sha256-73b15A9+hClD6IbuxTy9QZKpTKjUFYBuqGOclUyhrnM=
+#+END_SRC
+
 **** 1.38 OK ✓
 ***** 1.38.1
 
@@ -522,71 +664,71 @@ sha256-5pW3Fu3PQ1ZLJnsuh7fPpEBNbVQgGfFyiuMrAVOJKQA=
 
 #+NAME: dtools-version
 #+BEGIN_SRC org
-<<dtools_version_2_103_1>>
+<<dtools_version_2_110_0>>
 #+END_SRC
 
 #+NAME: dtools-hash
 #+BEGIN_SRC org
-<<dtools_hash_2_103_1>>
+<<dtools_hash_2_110_0>>
 #+END_SRC
 
 *** versions
-**** 2.103.1 OK ✓
+**** 2.110.0 OK ✓
 
-- https://github.com/dlang/tools/releases/tag/v2.103.1
+- https://github.com/dlang/tools/releases/tag/v2.110.0
 
-#+NAME: dtools_version_2_103_1
+#+NAME: dtools_version_2_110_0
 #+BEGIN_SRC nix
-2.103.1
+2.110.0
 #+END_SRC
 
-#+NAME: dtools_hash_2_103_1
+#+NAME: dtools_hash_2_110_0
 #+BEGIN_SRC nix
-sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=
+sha256-xMEHnrstL5hAkhp8+/z1I2KZWZ7eztWZnUGLTKCfbBI=
 #+END_SRC
 
-**** 2.102.2
+**** 2.109.1 OK ✓
 
-- https://github.com/dlang/tools/releases/tag/v2.102.2
+- https://github.com/dlang/tools/releases/tag/v2.109.1
 
-#+NAME: dtools_version_2_102_2
+#+NAME: dtools_version_2_109_1
 #+BEGIN_SRC nix
-2.102.2
+2.109.1
 #+END_SRC
 
-#+NAME: dtools_hash_2_102_2
+#+NAME: dtools_hash_2_109_1
 #+BEGIN_SRC nix
-sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=
+sha256-Pfj8Kwf5AlcrHhLs5A/0vIFWLZaNR3ro+esbs7oWN9I=
 #+END_SRC
 
-**** 2.095.1
+**** 2.104.1 OK ✓
 
-- https://github.com/dlang/tools/releases/tag/v2.095.1
+- https://github.com/dlang/tools/releases/tag/v2.104.2
 
-#+NAME: dtools_version_2_095_1
+#+NAME: dtools_version_2_104_2
 #+BEGIN_SRC nix
-2.095.1
+2.104.2
 #+END_SRC
 
-#+NAME: dtools_hash_2_095_1
+#+NAME: dtools_hash_2_104_2
 #+BEGIN_SRC nix
-sha256:0rdfk3mh3fjrb0h8pr8skwlq6ac9hdl1fkrkdl7n1fa2806b740b
+sha256-Pfj8Kwf5AlcrHhLs5A/0vIFWLZaNR3ro+esbs7oWN9I=
 #+END_SRC
 
 ** sha256 blank_hash
 
 #+NAME: blank_hash
-#+BEGIN_SRC nix
+#+BEGIN_SRC org
 <<sha256-blank>>
 #+END_SRC
 
 #+NAME: sha256-blank
-#+BEGIN_SRC nix
+#+BEGIN_SRC org
 sha256-0000000000000000000000000000000000000000000=
 #+END_SRC
 
 #+NAME: assumed_hash
-#+BEGIN_SRC nix
+#+BEGIN_SRC org
 sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
 #+END_SRC